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3959 lines
142 KiB
3959 lines
142 KiB
drop table if exists t1,t2,t3;
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SET sql_mode = 'NO_ENGINE_SUBSTITUTION';
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SELECT 1 FROM (SELECT 1) as a GROUP BY SUM(1);
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ERROR HY000: Invalid use of group function
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CREATE TABLE t1 (
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spID int(10) unsigned,
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userID int(10) unsigned,
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score smallint(5) unsigned,
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lsg char(40),
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date date
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);
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Warnings:
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Warning 1681 Integer display width is deprecated and will be removed in a future release.
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Warning 1681 Integer display width is deprecated and will be removed in a future release.
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Warning 1681 Integer display width is deprecated and will be removed in a future release.
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INSERT INTO t1 VALUES (1,1,1,'','0000-00-00');
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INSERT INTO t1 VALUES (2,2,2,'','0000-00-00');
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INSERT INTO t1 VALUES (2,1,1,'','0000-00-00');
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INSERT INTO t1 VALUES (3,3,3,'','0000-00-00');
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CREATE TABLE t2 (
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userID int(10) unsigned NOT NULL auto_increment,
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niName char(15),
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passwd char(8),
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mail char(50),
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isAukt enum('N','Y') DEFAULT 'N',
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vName char(30),
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nName char(40),
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adr char(60),
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plz char(5),
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ort char(35),
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land char(20),
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PRIMARY KEY (userID)
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);
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Warnings:
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Warning 1681 Integer display width is deprecated and will be removed in a future release.
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INSERT INTO t2 VALUES (1,'name','pass','mail','Y','v','n','adr','1','1','1');
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INSERT INTO t2 VALUES (2,'name','pass','mail','Y','v','n','adr','1','1','1');
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INSERT INTO t2 VALUES (3,'name','pass','mail','Y','v','n','adr','1','1','1');
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INSERT INTO t2 VALUES (4,'name','pass','mail','Y','v','n','adr','1','1','1');
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INSERT INTO t2 VALUES (5,'name','pass','mail','Y','v','n','adr','1','1','1');
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ANALYZE TABLE t1,t2;
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Table Op Msg_type Msg_text
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test.t1 analyze status OK
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test.t2 analyze status OK
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EXPLAIN FORMAT=tree SELECT t2.userid, MIN(t1.score) FROM t1, t2 WHERE t1.userID=t2.userID GROUP BY t2.userid;
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EXPLAIN
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-> Table scan on <temporary>
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-> Aggregate using temporary table
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-> Nested loop inner join (cost=2.05 rows=4)
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-> Filter: (t1.userID is not null) (cost=0.65 rows=4)
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-> Table scan on t1 (cost=0.65 rows=4)
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-> Single-row index lookup on t2 using PRIMARY (userID=t1.userID) (cost=0.28 rows=1)
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SELECT t2.userid, MIN(t1.score) FROM t1, t2 WHERE t1.userID=t2.userID GROUP BY t2.userid;
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userid MIN(t1.score)
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1 1
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2 2
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3 3
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SELECT t2.userid, MIN(t1.score) FROM t1, t2 WHERE t1.userID=t2.userID GROUP BY t2.userid ORDER BY NULL;
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userid MIN(t1.score)
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1 1
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2 2
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3 3
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SELECT t2.userid, MIN(t1.score) FROM t1, t2 WHERE t1.userID=t2.userID AND t1.spID=2 GROUP BY t2.userid;
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userid MIN(t1.score)
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2 2
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1 1
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SELECT t2.userid, MIN(t1.score+0.0) FROM t1, t2 WHERE t1.userID=t2.userID AND t1.spID=2 GROUP BY t2.userid;
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userid MIN(t1.score+0.0)
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2 2.0
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1 1.0
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SELECT t2.userid, MIN(t1.score+0.0) FROM t1, t2 WHERE t1.userID=t2.userID AND t1.spID=2 GROUP BY t2.userid ORDER BY NULL;
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userid MIN(t1.score+0.0)
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2 2.0
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1 1.0
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EXPLAIN SELECT t2.userid, MIN(t1.score+0.0) FROM t1, t2 WHERE t1.userID=t2.userID AND t1.spID=2 GROUP BY t2.userid ORDER BY NULL;
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id select_type table partitions type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 4 25.00 Using where; Using temporary
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1 SIMPLE t2 NULL eq_ref PRIMARY PRIMARY 4 test.t1.userID 1 100.00 Using index
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Warnings:
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Note 1003 /* select#1 */ select `test`.`t2`.`userID` AS `userid`,min((`test`.`t1`.`score` + 0.0)) AS `MIN(t1.score+0.0)` from `test`.`t1` join `test`.`t2` where ((`test`.`t1`.`spID` = 2) and (`test`.`t2`.`userID` = `test`.`t1`.`userID`)) group by `test`.`t2`.`userID` order by NULL
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drop table t1,t2;
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CREATE TABLE t1 (
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PID int(10) unsigned NOT NULL auto_increment,
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payDate date DEFAULT '0000-00-00' NOT NULL,
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recDate datetime DEFAULT '0000-00-00 00:00:00' NOT NULL,
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URID int(10) unsigned DEFAULT '0' NOT NULL,
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CRID int(10) unsigned DEFAULT '0' NOT NULL,
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amount int(10) unsigned DEFAULT '0' NOT NULL,
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operator int(10) unsigned,
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method enum('unknown','cash','dealer','check','card','lazy','delayed','test') DEFAULT 'unknown' NOT NULL,
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DIID int(10) unsigned,
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reason char(1) binary DEFAULT '' NOT NULL,
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code_id int(10) unsigned,
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qty mediumint(8) unsigned DEFAULT '0' NOT NULL,
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PRIMARY KEY (PID),
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KEY URID (URID),
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KEY reason (reason),
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KEY method (method),
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KEY payDate (payDate)
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);
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Warnings:
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Warning 1681 Integer display width is deprecated and will be removed in a future release.
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Warning 1681 Integer display width is deprecated and will be removed in a future release.
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Warning 1681 Integer display width is deprecated and will be removed in a future release.
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Warning 1681 Integer display width is deprecated and will be removed in a future release.
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Warning 1681 Integer display width is deprecated and will be removed in a future release.
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Warning 1681 Integer display width is deprecated and will be removed in a future release.
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Warning 1287 'BINARY as attribute of a type' is deprecated and will be removed in a future release. Please use a CHARACTER SET clause with _bin collation instead
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Warning 1681 Integer display width is deprecated and will be removed in a future release.
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Warning 1681 Integer display width is deprecated and will be removed in a future release.
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INSERT INTO t1 VALUES (1,'1970-01-01','1997-10-17 00:00:00',2529,1,21000,11886,'check',0,'F',16200,6);
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SELECT COUNT(P.URID),SUM(P.amount),P.method, MIN(PP.recdate+0) > 19980501000000 AS IsNew FROM t1 AS P JOIN t1 as PP WHERE P.URID = PP.URID GROUP BY method,IsNew;
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ERROR 42000: Can't group on 'IsNew'
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drop table t1;
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CREATE TABLE t1 (
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cid mediumint(9) NOT NULL auto_increment,
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firstname varchar(32) DEFAULT '' NOT NULL,
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surname varchar(32) DEFAULT '' NOT NULL,
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PRIMARY KEY (cid)
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);
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Warnings:
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Warning 1681 Integer display width is deprecated and will be removed in a future release.
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INSERT INTO t1 VALUES (1,'That','Guy');
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INSERT INTO t1 VALUES (2,'Another','Gent');
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CREATE TABLE t2 (
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call_id mediumint(8) NOT NULL auto_increment,
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contact_id mediumint(8) DEFAULT '0' NOT NULL,
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PRIMARY KEY (call_id),
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KEY contact_id (contact_id)
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);
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Warnings:
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Warning 1681 Integer display width is deprecated and will be removed in a future release.
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Warning 1681 Integer display width is deprecated and will be removed in a future release.
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lock tables t1 read,t2 write;
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INSERT INTO t2 VALUES (10,2);
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INSERT INTO t2 VALUES (18,2);
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INSERT INTO t2 VALUES (62,2);
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INSERT INTO t2 VALUES (91,2);
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INSERT INTO t2 VALUES (92,2);
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SELECT cid, CONCAT(firstname, ' ', surname), COUNT(call_id) FROM t1 LEFT JOIN t2 ON cid=contact_id WHERE firstname like '%foo%' GROUP BY cid;
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cid CONCAT(firstname, ' ', surname) COUNT(call_id)
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SELECT cid, CONCAT(firstname, ' ', surname), COUNT(call_id) FROM t1 LEFT JOIN t2 ON cid=contact_id WHERE firstname like '%foo%' GROUP BY cid ORDER BY NULL;
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cid CONCAT(firstname, ' ', surname) COUNT(call_id)
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SELECT HIGH_PRIORITY cid, CONCAT(firstname, ' ', surname), COUNT(call_id) FROM t1 LEFT JOIN t2 ON cid=contact_id WHERE firstname like '%foo%' GROUP BY cid ORDER BY surname, firstname;
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cid CONCAT(firstname, ' ', surname) COUNT(call_id)
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drop table t2;
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unlock tables;
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drop table t1;
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CREATE TABLE t1 (
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bug_id mediumint(9) NOT NULL auto_increment,
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groupset bigint(20) DEFAULT '0' NOT NULL,
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assigned_to mediumint(9) DEFAULT '0' NOT NULL,
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bug_file_loc text,
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bug_severity enum('blocker','critical','major','normal','minor','trivial','enhancement') DEFAULT 'blocker' NOT NULL,
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bug_status enum('','NEW','ASSIGNED','REOPENED','RESOLVED','VERIFIED','CLOSED') DEFAULT 'NEW' NOT NULL,
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creation_ts datetime DEFAULT '0000-00-00 00:00:00' NOT NULL,
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delta_ts timestamp,
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short_desc mediumtext,
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long_desc mediumtext,
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op_sys enum('All','Windows 3.1','Windows 95','Windows 98','Windows NT','Windows 2000','Linux','other') DEFAULT 'All' NOT NULL,
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priority enum('P1','P2','P3','P4','P5') DEFAULT 'P1' NOT NULL,
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product varchar(64) DEFAULT '' NOT NULL,
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rep_platform enum('All','PC','VTD-8','Other'),
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reporter mediumint(9) DEFAULT '0' NOT NULL,
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version varchar(16) DEFAULT '' NOT NULL,
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component varchar(50) DEFAULT '' NOT NULL,
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resolution enum('','FIXED','INVALID','WONTFIX','LATER','REMIND','DUPLICATE','WORKSFORME') DEFAULT '' NOT NULL,
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target_milestone varchar(20) DEFAULT '' NOT NULL,
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qa_contact mediumint(9) DEFAULT '0' NOT NULL,
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status_whiteboard mediumtext NOT NULL,
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votes mediumint(9) DEFAULT '0' NOT NULL,
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PRIMARY KEY (bug_id),
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KEY assigned_to (assigned_to),
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KEY creation_ts (creation_ts),
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KEY delta_ts (delta_ts),
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KEY bug_severity (bug_severity),
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KEY bug_status (bug_status),
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KEY op_sys (op_sys),
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KEY priority (priority),
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KEY product (product),
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KEY reporter (reporter),
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KEY version (version),
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KEY component (component),
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KEY resolution (resolution),
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KEY target_milestone (target_milestone),
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KEY qa_contact (qa_contact),
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KEY votes (votes)
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);
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Warnings:
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Warning 1681 Integer display width is deprecated and will be removed in a future release.
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Warning 1681 Integer display width is deprecated and will be removed in a future release.
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Warning 1681 Integer display width is deprecated and will be removed in a future release.
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Warning 1681 Integer display width is deprecated and will be removed in a future release.
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Warning 1681 Integer display width is deprecated and will be removed in a future release.
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Warning 1681 Integer display width is deprecated and will be removed in a future release.
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INSERT INTO t1 VALUES (1,0,0,'','normal','','2000-02-10 09:25:12',20000321114747,'','','Linux','P1','TestProduct','PC',3,'other','TestComponent','','M1',0,'',0);
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INSERT INTO t1 VALUES (9,0,0,'','enhancement','','2000-03-10 11:49:36',20000321114747,'','','All','P5','AAAAA','PC',3,'2.00 CD - Pre','BBBBBBBBBBBBB - conversion','','',0,'',0);
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INSERT INTO t1 VALUES (10,0,0,'','enhancement','','2000-03-10 18:10:16',20000321114747,'','','All','P4','AAAAA','PC',3,'2.00 CD - Pre','BBBBBBBBBBBBB - conversion','','',0,'',0);
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INSERT INTO t1 VALUES (7,0,0,'','critical','','2000-03-09 10:50:21',20000321114747,'','','All','P1','AAAAA','PC',3,'2.00 CD - Pre','BBBBBBBBBBBBB - generic','','',0,'',0);
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INSERT INTO t1 VALUES (6,0,0,'','normal','','2000-03-09 10:42:44',20000321114747,'','','All','P2','AAAAA','PC',3,'2.00 CD - Pre','kkkkkkkkkkk lllllllllll','','',0,'',0);
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INSERT INTO t1 VALUES (8,0,0,'','major','','2000-03-09 11:32:14',20000321114747,'','','All','P3','AAAAA','PC',3,'2.00 CD - Pre','kkkkkkkkkkk lllllllllll','','',0,'',0);
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INSERT INTO t1 VALUES (5,0,0,'','enhancement','','2000-03-09 10:38:59',20000321114747,'','','All','P5','CCC/CCCCCC','PC',5,'7.00','Administration','','',0,'',0);
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INSERT INTO t1 VALUES (4,0,0,'','normal','','2000-03-08 18:32:14',20000321114747,'','','other','P2','TestProduct','Other',3,'other','TestComponent2','','',0,'',0);
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INSERT INTO t1 VALUES (3,0,0,'','normal','','2000-03-08 18:30:52',20000321114747,'','','other','P2','TestProduct','Other',3,'other','TestComponent','','',0,'',0);
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INSERT INTO t1 VALUES (2,0,0,'','enhancement','','2000-03-08 18:24:51',20000321114747,'','','All','P2','TestProduct','Other',4,'other','TestComponent2','','',0,'',0);
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INSERT INTO t1 VALUES (11,0,0,'','blocker','','2000-03-13 09:43:41',20000321114747,'','','All','P2','CCC/CCCCCC','PC',5,'7.00','DDDDDDDDD','','',0,'',0);
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INSERT INTO t1 VALUES (12,0,0,'','normal','','2000-03-13 16:14:31',20000321114747,'','','All','P2','AAAAA','PC',3,'2.00 CD - Pre','kkkkkkkkkkk lllllllllll','','',0,'',0);
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INSERT INTO t1 VALUES (13,0,0,'','normal','','2000-03-15 16:20:44',20000321114747,'','','other','P2','TestProduct','Other',3,'other','TestComponent','','',0,'',0);
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INSERT INTO t1 VALUES (14,0,0,'','blocker','','2000-03-15 18:13:47',20000321114747,'','','All','P1','AAAAA','PC',3,'2.00 CD - Pre','BBBBBBBBBBBBB - generic','','',0,'',0);
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INSERT INTO t1 VALUES (15,0,0,'','minor','','2000-03-16 18:03:28',20000321114747,'','','All','P2','CCC/CCCCCC','Other',5,'7.00','DDDDDDDDD','','',0,'',0);
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INSERT INTO t1 VALUES (16,0,0,'','normal','','2000-03-16 18:33:41',20000321114747,'','','All','P2','CCC/CCCCCC','Other',5,'7.00','Administration','','',0,'',0);
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INSERT INTO t1 VALUES (17,0,0,'','normal','','2000-03-16 18:34:18',20000321114747,'','','All','P2','CCC/CCCCCC','Other',5,'7.00','Administration','','',0,'',0);
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INSERT INTO t1 VALUES (18,0,0,'','normal','','2000-03-16 18:34:56',20000321114747,'','','All','P2','CCC/CCCCCC','Other',5,'7.00','Administration','','',0,'',0);
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INSERT INTO t1 VALUES (19,0,0,'','enhancement','','2000-03-16 18:35:34',20000321114747,'','','All','P2','CCC/CCCCCC','Other',5,'7.00','Administration','','',0,'',0);
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INSERT INTO t1 VALUES (20,0,0,'','enhancement','','2000-03-16 18:36:23',20000321114747,'','','All','P2','CCC/CCCCCC','Other',5,'7.00','Administration','','',0,'',0);
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INSERT INTO t1 VALUES (21,0,0,'','enhancement','','2000-03-16 18:37:23',20000321114747,'','','All','P2','CCC/CCCCCC','Other',5,'7.00','Administration','','',0,'',0);
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INSERT INTO t1 VALUES (22,0,0,'','enhancement','','2000-03-16 18:38:16',20000321114747,'','','All','P2','CCC/CCCCCC','Other',5,'7.00','Administration','','',0,'',0);
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INSERT INTO t1 VALUES (23,0,0,'','normal','','2000-03-16 18:58:12',20000321114747,'','','All','P2','CCC/CCCCCC','Other',5,'7.00','DDDDDDDDD','','',0,'',0);
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INSERT INTO t1 VALUES (24,0,0,'','normal','','2000-03-17 11:08:10',20000321114747,'','','All','P2','AAAAAAAA-AAA','PC',3,'2.8','Web Interface','','',0,'',0);
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INSERT INTO t1 VALUES (25,0,0,'','normal','','2000-03-17 11:10:45',20000321114747,'','','All','P2','AAAAAAAA-AAA','PC',3,'2.8','Web Interface','','',0,'',0);
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INSERT INTO t1 VALUES (26,0,0,'','normal','','2000-03-17 11:15:47',20000321114747,'','','All','P2','AAAAAAAA-AAA','PC',3,'2.8','Web Interface','','',0,'',0);
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INSERT INTO t1 VALUES (27,0,0,'','normal','','2000-03-17 17:45:41',20000321114747,'','','All','P2','CCC/CCCCCC','PC',5,'7.00','DDDDDDDDD','','',0,'',0);
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INSERT INTO t1 VALUES (28,0,0,'','normal','','2000-03-20 09:51:45',20000321114747,'','','Windows NT','P2','TestProduct','PC',8,'other','TestComponent','','',0,'',0);
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INSERT INTO t1 VALUES (29,0,0,'','normal','','2000-03-20 11:15:09',20000321114747,'','','All','P5','AAAAAAAA-AAA','PC',3,'2.8','Web Interface','','',0,'',0);
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CREATE TABLE t2 (
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value tinytext,
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program varchar(64),
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initialowner tinytext NOT NULL,
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initialqacontact tinytext NOT NULL,
|
|
description mediumtext NOT NULL
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|
);
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INSERT INTO t2 VALUES ('TestComponent','TestProduct','id0001','','');
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INSERT INTO t2 VALUES ('BBBBBBBBBBBBB - conversion','AAAAA','id0001','','');
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INSERT INTO t2 VALUES ('BBBBBBBBBBBBB - generic','AAAAA','id0001','','');
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INSERT INTO t2 VALUES ('TestComponent2','TestProduct','id0001','','');
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INSERT INTO t2 VALUES ('BBBBBBBBBBBBB - eeeeeeeee','AAAAA','id0001','','');
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INSERT INTO t2 VALUES ('kkkkkkkkkkk lllllllllll','AAAAA','id0001','','');
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|
INSERT INTO t2 VALUES ('Test Procedures','AAAAA','id0001','','');
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|
INSERT INTO t2 VALUES ('Documentation','AAAAA','id0003','','');
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|
INSERT INTO t2 VALUES ('DDDDDDDDD','CCC/CCCCCC','id0002','','');
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|
INSERT INTO t2 VALUES ('Eeeeeeee Lite','CCC/CCCCCC','id0002','','');
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INSERT INTO t2 VALUES ('Eeeeeeee Full','CCC/CCCCCC','id0002','','');
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|
INSERT INTO t2 VALUES ('Administration','CCC/CCCCCC','id0002','','');
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|
INSERT INTO t2 VALUES ('Distribution','CCC/CCCCCC','id0002','','');
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|
INSERT INTO t2 VALUES ('Setup','CCC/CCCCCC','id0002','','');
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|
INSERT INTO t2 VALUES ('Unspecified','CCC/CCCCCC','id0002','','');
|
|
INSERT INTO t2 VALUES ('Web Interface','AAAAAAAA-AAA','id0001','','');
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|
INSERT INTO t2 VALUES ('Host communication','AAAAA','id0001','','');
|
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select value,description,bug_id from t2 left join t1 on t2.program=t1.product and t2.value=t1.component where program="AAAAA";
|
|
value description bug_id
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|
BBBBBBBBBBBBB - conversion 9
|
|
BBBBBBBBBBBBB - conversion 10
|
|
BBBBBBBBBBBBB - generic 7
|
|
BBBBBBBBBBBBB - generic 14
|
|
BBBBBBBBBBBBB - eeeeeeeee NULL
|
|
kkkkkkkkkkk lllllllllll 6
|
|
kkkkkkkkkkk lllllllllll 8
|
|
kkkkkkkkkkk lllllllllll 12
|
|
Test Procedures NULL
|
|
Documentation NULL
|
|
Host communication NULL
|
|
select value,description,COUNT(bug_id) from t2 left join t1 on t2.program=t1.product and t2.value=t1.component where program="AAAAA" group by value;
|
|
value description COUNT(bug_id)
|
|
BBBBBBBBBBBBB - conversion 2
|
|
BBBBBBBBBBBBB - generic 2
|
|
BBBBBBBBBBBBB - eeeeeeeee 0
|
|
kkkkkkkkkkk lllllllllll 3
|
|
Test Procedures 0
|
|
Documentation 0
|
|
Host communication 0
|
|
select value,description,COUNT(bug_id) from t2 left join t1 on t2.program=t1.product and t2.value=t1.component where program="AAAAA" group by value having COUNT(bug_id) IN (0,2);
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value description COUNT(bug_id)
|
|
BBBBBBBBBBBBB - conversion 2
|
|
BBBBBBBBBBBBB - generic 2
|
|
BBBBBBBBBBBBB - eeeeeeeee 0
|
|
Test Procedures 0
|
|
Documentation 0
|
|
Host communication 0
|
|
select row_number() over (), value,description,COUNT(bug_id) from t2 left join t1 on t2.program=t1.product and t2.value=t1.component where program="AAAAA" group by value having COUNT(bug_id) IN (0,2);
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row_number() over () value description COUNT(bug_id)
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|
1 BBBBBBBBBBBBB - conversion 2
|
|
2 BBBBBBBBBBBBB - generic 2
|
|
3 BBBBBBBBBBBBB - eeeeeeeee 0
|
|
4 Test Procedures 0
|
|
5 Documentation 0
|
|
6 Host communication 0
|
|
drop table t1,t2;
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|
create table t1 (foo int);
|
|
insert into t1 values (1);
|
|
select 1+1, "a",count(*) from t1 where foo in (2);
|
|
1+1 a count(*)
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|
2 a 0
|
|
insert into t1 values (1);
|
|
select 1+1,"a",count(*) from t1 where foo in (2);
|
|
1+1 a count(*)
|
|
2 a 0
|
|
drop table t1;
|
|
CREATE TABLE t1 (
|
|
spID int(10) unsigned,
|
|
userID int(10) unsigned,
|
|
score smallint(5) unsigned,
|
|
key (spid),
|
|
key (score)
|
|
);
|
|
Warnings:
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
INSERT INTO t1 VALUES (1,1,1),(2,2,2),(2,1,1),(3,3,3),(4,3,3),(5,3,3),(6,3,3),(7,3,3);
|
|
ANALYZE TABLE t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
explain select userid,count(*) from t1 group by userid order by userid desc;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 8 100.00 Using temporary; Using filesort
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`userID` AS `userid`,count(0) AS `count(*)` from `test`.`t1` group by `test`.`t1`.`userID` desc order by `test`.`t1`.`userID` desc
|
|
explain select userid,count(*) from t1 group by userid order by null;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 8 100.00 Using temporary
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`userID` AS `userid`,count(0) AS `count(*)` from `test`.`t1` group by `test`.`t1`.`userID` order by NULL
|
|
select userid,count(*) from t1 group by userid order by userid desc;
|
|
userid count(*)
|
|
3 5
|
|
2 1
|
|
1 2
|
|
select userid,count(*) from t1 group by userid having (count(*)+1) IN (4,3) order by userid desc;
|
|
userid count(*)
|
|
1 2
|
|
select userid,count(*) from t1 group by userid having 3 IN (1,COUNT(*)) order by userid desc;
|
|
userid count(*)
|
|
explain select spid,count(*) from t1 where spid between 1 and 2 group by spid order by spid desc;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL range spID spID 5 NULL 3 100.00 Using where; Backward index scan; Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`spID` AS `spid`,count(0) AS `count(*)` from `test`.`t1` where (`test`.`t1`.`spID` between 1 and 2) group by `test`.`t1`.`spID` desc order by `test`.`t1`.`spID` desc
|
|
explain select spid,count(*) from t1 where spid between 1 and 2 group by spid;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL range spID spID 5 NULL 3 100.00 Using where; Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`spID` AS `spid`,count(0) AS `count(*)` from `test`.`t1` where (`test`.`t1`.`spID` between 1 and 2) group by `test`.`t1`.`spID`
|
|
explain select spid,count(*) from t1 where spid between 1 and 2 group by spid order by null;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL range spID spID 5 NULL 3 100.00 Using where; Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`spID` AS `spid`,count(0) AS `count(*)` from `test`.`t1` where (`test`.`t1`.`spID` between 1 and 2) group by `test`.`t1`.`spID` order by NULL
|
|
select spid,count(*) from t1 where spid between 1 and 2 group by spid;
|
|
spid count(*)
|
|
1 1
|
|
2 2
|
|
select spid,count(*) from t1 where spid between 1 and 2 group by spid order by spid desc;
|
|
spid count(*)
|
|
2 2
|
|
1 1
|
|
explain select sql_big_result spid,sum(userid) from t1 group by spid order by spid desc;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL ALL spID NULL NULL NULL 8 100.00 Using filesort
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select sql_big_result `test`.`t1`.`spID` AS `spid`,sum(`test`.`t1`.`userID`) AS `sum(userid)` from `test`.`t1` group by `test`.`t1`.`spID` desc order by `test`.`t1`.`spID` desc
|
|
explain select sql_big_result spid,sum(userid) from t1 group by spid order by null;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL ALL spID NULL NULL NULL 8 100.00 Using filesort
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select sql_big_result `test`.`t1`.`spID` AS `spid`,sum(`test`.`t1`.`userID`) AS `sum(userid)` from `test`.`t1` group by `test`.`t1`.`spID` order by NULL
|
|
select sql_big_result spid,sum(userid) from t1 group by spid order by spid desc;
|
|
spid sum(userid)
|
|
7 3
|
|
6 3
|
|
5 3
|
|
4 3
|
|
3 3
|
|
2 3
|
|
1 1
|
|
explain select sql_big_result score,count(*) from t1 group by score order by score desc;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index score score 3 NULL 8 100.00 Using index; Using filesort
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select sql_big_result `test`.`t1`.`score` AS `score`,count(0) AS `count(*)` from `test`.`t1` group by `test`.`t1`.`score` desc order by `test`.`t1`.`score` desc
|
|
explain select sql_big_result score,count(*) from t1 group by score order by null;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index score score 3 NULL 8 100.00 Using index; Using filesort
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select sql_big_result `test`.`t1`.`score` AS `score`,count(0) AS `count(*)` from `test`.`t1` group by `test`.`t1`.`score` order by NULL
|
|
select sql_big_result score,count(*) from t1 group by score order by score desc;
|
|
score count(*)
|
|
3 5
|
|
2 1
|
|
1 2
|
|
drop table t1;
|
|
create table t1 (a date default null, b date default null);
|
|
insert t1 values ('1999-10-01','2000-01-10'), ('1997-01-01','1998-10-01');
|
|
select a,min(b) c,count(distinct rand()) from t1 group by a having c<a + interval 1 day;
|
|
a c count(distinct rand())
|
|
drop table t1;
|
|
CREATE TABLE t1 (a char(1));
|
|
INSERT INTO t1 VALUES ('A'),('B'),('A'),('B'),('A'),('B'),(NULL),('a'),('b'),(NULL),('A'),('B'),(NULL);
|
|
SELECT a FROM t1 GROUP BY a;
|
|
a
|
|
A
|
|
B
|
|
NULL
|
|
SELECT a,count(*) FROM t1 GROUP BY a;
|
|
a count(*)
|
|
A 5
|
|
B 5
|
|
NULL 3
|
|
SELECT a FROM t1 GROUP BY binary a;
|
|
a
|
|
A
|
|
B
|
|
NULL
|
|
a
|
|
b
|
|
SELECT a,count(*) FROM t1 GROUP BY binary a;
|
|
a count(*)
|
|
A 4
|
|
B 4
|
|
NULL 3
|
|
a 1
|
|
b 1
|
|
SELECT binary a FROM t1 GROUP BY 1;
|
|
binary a
|
|
A
|
|
B
|
|
NULL
|
|
a
|
|
b
|
|
SELECT binary a,count(*) FROM t1 GROUP BY 1;
|
|
binary a count(*)
|
|
A 4
|
|
B 4
|
|
NULL 3
|
|
a 1
|
|
b 1
|
|
SET BIG_TABLES=1;
|
|
SELECT a FROM t1 GROUP BY a ORDER BY a;
|
|
a
|
|
NULL
|
|
A
|
|
B
|
|
SELECT a,count(*) FROM t1 GROUP BY a ORDER BY a;
|
|
a count(*)
|
|
NULL 3
|
|
A 5
|
|
B 5
|
|
SELECT a FROM t1 GROUP BY binary a ORDER BY binary a;
|
|
a
|
|
NULL
|
|
A
|
|
B
|
|
a
|
|
b
|
|
SELECT a,count(*) FROM t1 GROUP BY binary a ORDER BY binary a;
|
|
a count(*)
|
|
NULL 3
|
|
A 4
|
|
B 4
|
|
a 1
|
|
b 1
|
|
SELECT binary a FROM t1 GROUP BY 1 ORDER BY 1;
|
|
binary a
|
|
NULL
|
|
A
|
|
B
|
|
a
|
|
b
|
|
SELECT binary a,count(*) FROM t1 GROUP BY 1 ORDER BY 1;
|
|
binary a count(*)
|
|
NULL 3
|
|
A 4
|
|
B 4
|
|
a 1
|
|
b 1
|
|
SET BIG_TABLES=0;
|
|
drop table t1;
|
|
CREATE TABLE t1 (
|
|
`a` char(193) default NULL,
|
|
`b` char(63) default NULL
|
|
);
|
|
INSERT INTO t1 VALUES ('abc','def'),('hij','klm');
|
|
SELECT CONCAT(a, b) FROM t1 GROUP BY 1;
|
|
CONCAT(a, b)
|
|
abcdef
|
|
hijklm
|
|
SELECT CONCAT(a, b),count(*) FROM t1 GROUP BY 1;
|
|
CONCAT(a, b) count(*)
|
|
abcdef 1
|
|
hijklm 1
|
|
SELECT CONCAT(a, b),count(distinct a) FROM t1 GROUP BY 1;
|
|
CONCAT(a, b) count(distinct a)
|
|
abcdef 1
|
|
hijklm 1
|
|
SELECT 1 FROM t1 GROUP BY CONCAT(a, b);
|
|
1
|
|
1
|
|
1
|
|
INSERT INTO t1 values ('hij','klm');
|
|
SELECT CONCAT(a, b),count(*) FROM t1 GROUP BY 1;
|
|
CONCAT(a, b) count(*)
|
|
abcdef 1
|
|
hijklm 2
|
|
DROP TABLE t1;
|
|
create table t1 (One int unsigned, Two int unsigned, Three int unsigned, Four int unsigned);
|
|
insert into t1 values (1,2,1,4),(1,2,2,4),(1,2,3,4),(1,2,4,4),(1,1,1,4),(1,1,2,4),(1,1,3,4),(1,1,4,4),(1,3,1,4),(1,3,2,4),(1,3,3,4),(1,3,4,4);
|
|
select One, Two, sum(Four) from t1 group by One,Two;
|
|
One Two sum(Four)
|
|
1 2 16
|
|
1 1 16
|
|
1 3 16
|
|
drop table t1;
|
|
create table t1 (id integer primary key not null auto_increment, gender char(1));
|
|
insert into t1 values (NULL, 'M'), (NULL, 'F'),(NULL, 'F'),(NULL, 'F'),(NULL, 'M');
|
|
create table t2 (user_id integer not null, date date);
|
|
insert into t2 values (1, '2002-06-09'),(2, '2002-06-09'),(1, '2002-06-09'),(3, '2002-06-09'),(4, '2002-06-09'),(4, '2002-06-09');
|
|
select u.gender as gender, count(distinct u.id) as dist_count, (count(distinct u.id)/5*100) as percentage from t1 u, t2 l where l.user_id = u.id group by u.gender;
|
|
gender dist_count percentage
|
|
F 3 60.0000
|
|
M 1 20.0000
|
|
select u.gender as gender, count(distinct u.id) as dist_count, (count(distinct u.id)/5*100) as percentage from t1 u, t2 l where l.user_id = u.id group by u.gender order by percentage;
|
|
gender dist_count percentage
|
|
M 1 20.0000
|
|
F 3 60.0000
|
|
drop table t1,t2;
|
|
CREATE TABLE t1 (ID1 int, ID2 int, ID int NOT NULL AUTO_INCREMENT,PRIMARY KEY(ID
|
|
));
|
|
insert into t1 values (1,244,NULL),(2,243,NULL),(134,223,NULL),(185,186,NULL);
|
|
select S.ID as xID, S.ID1 as xID1 from t1 as S left join t1 as yS on S.ID1 between yS.ID1 and yS.ID2;
|
|
xID xID1
|
|
1 1
|
|
2 2
|
|
2 2
|
|
3 134
|
|
3 134
|
|
3 134
|
|
4 185
|
|
4 185
|
|
4 185
|
|
4 185
|
|
select S.ID as xID, S.ID1 as xID1, repeat('*',count(distinct yS.ID)) as Level from t1 as S left join t1 as yS on S.ID1 between yS.ID1 and yS.ID2 group by xID order by xID1;
|
|
xID xID1 Level
|
|
1 1 *
|
|
2 2 **
|
|
3 134 ***
|
|
4 185 ****
|
|
drop table t1;
|
|
CREATE TABLE t1 (
|
|
pid int(11) unsigned NOT NULL default '0',
|
|
c1id int(11) unsigned default NULL,
|
|
c2id int(11) unsigned default NULL,
|
|
value int(11) unsigned NOT NULL default '0',
|
|
UNIQUE KEY pid2 (pid,c1id,c2id),
|
|
UNIQUE KEY pid (pid,value)
|
|
) ENGINE=MyISAM;
|
|
Warnings:
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
INSERT INTO t1 VALUES (1, 1, NULL, 1),(1, 2, NULL, 2),(1, NULL, 3, 3),(1, 4, NULL, 4),(1, 5, NULL, 5);
|
|
CREATE TABLE t2 (
|
|
id int(11) unsigned NOT NULL default '0',
|
|
active enum('Yes','No') NOT NULL default 'Yes',
|
|
PRIMARY KEY (id)
|
|
) ENGINE=MyISAM;
|
|
Warnings:
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
INSERT INTO t2 VALUES (1, 'Yes'),(2, 'No'),(4, 'Yes'),(5, 'No');
|
|
CREATE TABLE t3 (
|
|
id int(11) unsigned NOT NULL default '0',
|
|
active enum('Yes','No') NOT NULL default 'Yes',
|
|
PRIMARY KEY (id)
|
|
);
|
|
Warnings:
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
INSERT INTO t3 VALUES (3, 'Yes');
|
|
select * from t1 AS m LEFT JOIN t2 AS c1 ON m.c1id =
|
|
c1.id AND c1.active = 'Yes' LEFT JOIN t3 AS c2 ON m.c2id = c2.id AND
|
|
c2.active = 'Yes' WHERE m.pid=1 AND (c1.id IS NOT NULL OR c2.id IS NOT NULL);
|
|
pid c1id c2id value id active id active
|
|
1 NULL 3 3 NULL NULL 3 Yes
|
|
1 1 NULL 1 1 Yes NULL NULL
|
|
1 4 NULL 4 4 Yes NULL NULL
|
|
select max(value) from t1 AS m LEFT JOIN t2 AS c1 ON
|
|
m.c1id = c1.id AND c1.active = 'Yes' LEFT JOIN t3 AS c2 ON m.c2id =
|
|
c2.id AND c2.active = 'Yes' WHERE m.pid=1 AND (c1.id IS NOT NULL OR c2.id IS
|
|
NOT NULL);
|
|
max(value)
|
|
4
|
|
drop table t1,t2,t3;
|
|
create table t1 (a blob null);
|
|
insert into t1 values (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(""),(""),(""),("b");
|
|
select a,count(*) from t1 group by a;
|
|
a count(*)
|
|
NULL 9
|
|
3
|
|
b 1
|
|
set big_tables=1;
|
|
select a,count(*) from t1 group by a;
|
|
a count(*)
|
|
NULL 9
|
|
3
|
|
b 1
|
|
drop table t1;
|
|
create table t1 (a int not null, b int not null);
|
|
insert into t1 values (1,1),(1,2),(3,1),(3,2),(2,2),(2,1);
|
|
create table t2 (a int not null, b int not null, key(a));
|
|
insert into t2 values (1,3),(3,1),(2,2),(1,1);
|
|
analyze table t1,t2;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
test.t2 analyze status OK
|
|
select t1.a,t2.b from t1,t2 where t1.a=t2.a group by t1.a,t2.b;
|
|
a b
|
|
1 1
|
|
1 3
|
|
2 2
|
|
3 1
|
|
select t1.a,t2.b from t1,t2 where t1.a=t2.a group by t1.a,t2.b ORDER BY NULL;
|
|
a b
|
|
1 1
|
|
1 3
|
|
2 2
|
|
3 1
|
|
explain select t1.a,t2.b from t1,t2 where t1.a=t2.a group by t1.a,t2.b;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t2 NULL ALL a NULL NULL NULL # # Using temporary
|
|
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL # # Using where; Using join buffer (Block Nested Loop)
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t1` join `test`.`t2` where (`test`.`t1`.`a` = `test`.`t2`.`a`) group by `test`.`t1`.`a`,`test`.`t2`.`b`
|
|
explain select t1.a,t2.b from t1,t2 where t1.a=t2.a group by t1.a,t2.b ORDER BY NULL;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t2 NULL ALL a NULL NULL NULL # # Using temporary
|
|
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL # # Using where; Using join buffer (Block Nested Loop)
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t1` join `test`.`t2` where (`test`.`t1`.`a` = `test`.`t2`.`a`) group by `test`.`t1`.`a`,`test`.`t2`.`b` order by NULL
|
|
drop table t1,t2;
|
|
create table t1 (a int, b int);
|
|
insert into t1 values (1, 4),(10, 40),(1, 4),(10, 43),(1, 4),(10, 41),(1, 4),(10, 43),(1, 4);
|
|
select a, MAX(b), INTERVAL (MAX(b), 1,3,10,30,39,40,50,60,100,1000) from t1 group by a;
|
|
a MAX(b) INTERVAL (MAX(b), 1,3,10,30,39,40,50,60,100,1000)
|
|
1 4 2
|
|
10 43 6
|
|
select a, MAX(b), CASE MAX(b) when 4 then 4 when 43 then 43 else 0 end from t1 group by a;
|
|
a MAX(b) CASE MAX(b) when 4 then 4 when 43 then 43 else 0 end
|
|
1 4 4
|
|
10 43 43
|
|
select a, MAX(b), FIELD(MAX(b), '43', '4', '5') from t1 group by a;
|
|
a MAX(b) FIELD(MAX(b), '43', '4', '5')
|
|
1 4 2
|
|
10 43 1
|
|
select a, MAX(b), CONCAT_WS(MAX(b), '43', '4', '5') from t1 group by a;
|
|
a MAX(b) CONCAT_WS(MAX(b), '43', '4', '5')
|
|
1 4 434445
|
|
10 43 43434435
|
|
select a, MAX(b), ELT(MAX(b), 'a', 'b', 'c', 'd', 'e', 'f') from t1 group by a;
|
|
a MAX(b) ELT(MAX(b), 'a', 'b', 'c', 'd', 'e', 'f')
|
|
1 4 d
|
|
10 43 NULL
|
|
select a, MAX(b), MAKE_SET(MAX(b), 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h') from t1 group by a;
|
|
a MAX(b) MAKE_SET(MAX(b), 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h')
|
|
1 4 c
|
|
10 43 a,b,d,f
|
|
drop table t1;
|
|
create table t1 (id int not null, qty int not null);
|
|
insert into t1 values (1,2),(1,3),(2,4),(2,5);
|
|
select id, sum(qty) as sqty, count(qty) as cqty from t1 group by id having sum(qty)>2 and cqty>1;
|
|
id sqty cqty
|
|
1 5 2
|
|
2 9 2
|
|
select id, sum(qty) as sqty from t1 group by id having sqty>2 and count(qty)>1;
|
|
id sqty
|
|
1 5
|
|
2 9
|
|
select id, sum(qty) as sqty, count(qty) as cqty from t1 group by id having sqty>2 and cqty>1;
|
|
id sqty cqty
|
|
1 5 2
|
|
2 9 2
|
|
select id, sum(qty) as sqty, count(qty) as cqty from t1 group by id having sum(qty)>2 and count(qty)>1;
|
|
id sqty cqty
|
|
1 5 2
|
|
2 9 2
|
|
select count(*), case interval(qty,2,3,4,5,6,7,8) when -1 then NULL when 0 then "zero" when 1 then "one" when 2 then "two" end as category from t1 group by category;
|
|
count(*) category
|
|
2 NULL
|
|
1 one
|
|
1 two
|
|
select count(*), interval(qty,2,3,4,5,6,7,8) as category from t1 group by category;
|
|
count(*) category
|
|
1 1
|
|
1 2
|
|
1 3
|
|
1 4
|
|
drop table t1;
|
|
CREATE TABLE t1 (
|
|
userid int(10) unsigned,
|
|
score smallint(5) unsigned,
|
|
key (score)
|
|
);
|
|
Warnings:
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
INSERT INTO t1 VALUES (1,1),(2,2),(1,1),(3,3),(3,3),(3,3),(3,3),(3,3);
|
|
ANALYZE TABLE t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
SELECT userid,count(*) FROM t1 GROUP BY userid ORDER BY userid DESC;
|
|
userid count(*)
|
|
3 5
|
|
2 1
|
|
1 2
|
|
EXPLAIN SELECT userid,count(*) FROM t1 GROUP BY userid ORDER BY userid DESC;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 8 100.00 Using temporary; Using filesort
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`userid` AS `userid`,count(0) AS `count(*)` from `test`.`t1` group by `test`.`t1`.`userid` desc order by `test`.`t1`.`userid` desc
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1 (
|
|
i int(11) default NULL,
|
|
j int(11) default NULL
|
|
);
|
|
Warnings:
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
INSERT INTO t1 VALUES (1,2),(2,3),(4,5),(3,5),(1,5),(23,5);
|
|
ANALYZE TABLE t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
SELECT i, COUNT(DISTINCT(i)) FROM t1 GROUP BY j ORDER BY NULL;
|
|
i COUNT(DISTINCT(i))
|
|
1 1
|
|
2 1
|
|
4 4
|
|
explain SELECT i, COUNT(DISTINCT(i)) FROM t1 GROUP BY j ORDER BY NULL;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 6 100.00 Using filesort
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`i` AS `i`,count(distinct `test`.`t1`.`i`) AS `COUNT(DISTINCT(i))` from `test`.`t1` group by `test`.`t1`.`j` order by NULL
|
|
DROP TABLE t1;
|
|
create table t1 (a int);
|
|
insert into t1 values(null);
|
|
select min(a) is null from t1;
|
|
min(a) is null
|
|
1
|
|
select min(a) is null or null from t1;
|
|
min(a) is null or null
|
|
1
|
|
select 1 and min(a) is null from t1;
|
|
1 and min(a) is null
|
|
1
|
|
drop table t1;
|
|
create table t1 ( col1 int, col2 int );
|
|
insert into t1 values (1,1),(1,2),(1,3),(2,1),(2,2);
|
|
select group_concat( distinct col1 ) as alias from t1
|
|
group by col2 having alias like '%';
|
|
alias
|
|
1,2
|
|
1,2
|
|
1
|
|
drop table t1;
|
|
CREATE TABLE t1 (a INTEGER, b INTEGER, c INTEGER);
|
|
INSERT INTO t1 (a,b) VALUES (1,2),(1,3),(2,5);
|
|
SELECT a, 0.1*0+1 r2, SUM(1) r1 FROM t1 WHERE a = 1 GROUP BY a HAVING r1>1 AND r2=1;
|
|
a r2 r1
|
|
1 1.0 2
|
|
SELECT a, ROUND(RAND(100)*10) r2, SUM(1) r1 FROM t1 GROUP BY a;
|
|
a r2 r1
|
|
1 2 2
|
|
2 7 1
|
|
SELECT a, ROUND(RAND(100)*10) r2, SUM(1) r1 FROM t1 GROUP BY a
|
|
HAVING r1>=1 AND r2<=7 AND r2 > 0;
|
|
a r2 r1
|
|
1 2 2
|
|
2 7 1
|
|
SELECT a, ROUND(RAND(100)*10) r2, SUM(1) r1 FROM t1 GROUP BY a
|
|
HAVING r1>=1 AND (SELECT r2<=7 AND r2 > 0 FROM t1 AS t2 LIMIT 1);
|
|
a r2 r1
|
|
1 2 2
|
|
2 7 1
|
|
SELECT a, ROUND(RAND(100)*10) r2, SUM(1) r1 FROM t1 WHERE a = 1
|
|
GROUP BY a HAVING r1>1 AND r2<=2;
|
|
a r2 r1
|
|
1 2 2
|
|
SELECT a, ROUND(RAND(100)*10) r2, SUM(1) r1 FROM t1 WHERE a = 1
|
|
GROUP BY a HAVING r1>1 AND r2<=2 ORDER BY a+r2+r1;
|
|
a r2 r1
|
|
1 2 2
|
|
SELECT a,SUM(b) FROM t1 WHERE a=1 GROUP BY c;
|
|
a SUM(b)
|
|
1 5
|
|
SELECT a*SUM(b) FROM t1 WHERE a=1 GROUP BY c;
|
|
a*SUM(b)
|
|
5
|
|
SELECT SUM(a)*SUM(b) FROM t1 WHERE a=1 GROUP BY c;
|
|
SUM(a)*SUM(b)
|
|
10
|
|
SELECT a,SUM(b) FROM t1 WHERE a=1 GROUP BY c HAVING a=1;
|
|
a SUM(b)
|
|
1 5
|
|
SELECT a AS d,SUM(b) FROM t1 WHERE a=1 GROUP BY c HAVING d=1;
|
|
d SUM(b)
|
|
1 5
|
|
SELECT SUM(a)*SUM(b) AS d FROM t1 WHERE a=1 GROUP BY c HAVING d > 0;
|
|
d
|
|
10
|
|
SELECT a, ROUND(RAND(100)*10) r2 FROM t1;
|
|
a r2
|
|
1 2
|
|
1 7
|
|
2 10
|
|
SELECT ROUND(RAND(100)*10) r2 FROM t1 GROUP BY r2;
|
|
r2
|
|
2
|
|
7
|
|
10
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1(i INT);
|
|
INSERT INTO t1 VALUES (NULL),(1);
|
|
SELECT DISTINCT STD(i)+0 as splus0, i+0 as plain FROM t1 GROUP BY i ;
|
|
splus0 plain
|
|
NULL NULL
|
|
0 1
|
|
DROP TABLE t1;
|
|
create table t1(a int) engine=myisam;
|
|
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(8),(9);
|
|
create table t2 (
|
|
a int,
|
|
b varchar(200) NOT NULL,
|
|
c varchar(50) NOT NULL,
|
|
d varchar(100) NOT NULL,
|
|
primary key (a,b(132),c,d),
|
|
key a (a,b)
|
|
) engine=myisam charset=utf8;
|
|
Warnings:
|
|
Warning 3719 'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous.
|
|
insert into t2 select
|
|
x3.a, -- 3
|
|
concat('val-', x3.a + 3*x4.a), -- 12
|
|
concat('val-', @a:=x3.a + 3*x4.a + 12*C.a), -- 120
|
|
concat('val-', @a + 120*D.a)
|
|
from t1 x3, t1 x4, t1 C, t1 D where x3.a < 3 and x4.a < 4 and D.a < 4
|
|
order by x3.a, x4.a, C.a, D.a;
|
|
Warnings:
|
|
Warning 1287 Setting user variables within expressions is deprecated and will be removed in a future release. Consider alternatives: 'SET variable=expression, ...', or 'SELECT expression(s) INTO variables(s)'.
|
|
delete from t2 where a = 2 and b = 'val-2' order by a,b,c,d limit 30;
|
|
explain select c from t2 where a = 2 and b = 'val-2' group by c;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t2 NULL ref PRIMARY,a PRIMARY 402 const,const 4 100.00 Using where
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t2`.`c` AS `c` from `test`.`t2` where ((`test`.`t2`.`a` = 2) and (`test`.`t2`.`b` = 'val-2')) group by `test`.`t2`.`c`
|
|
select c from t2 where a = 2 and b = 'val-2' group by c;
|
|
c
|
|
val-74
|
|
val-98
|
|
drop table t1,t2;
|
|
create table t1 (b int4 unsigned not null);
|
|
insert into t1 values(3000000000);
|
|
select * from t1;
|
|
b
|
|
3000000000
|
|
select min(b) from t1;
|
|
min(b)
|
|
3000000000
|
|
drop table t1;
|
|
CREATE TABLE t1 (id int PRIMARY KEY, user_id int, hostname longtext);
|
|
INSERT INTO t1 VALUES
|
|
(1, 7, 'cache-dtc-af05.proxy.aol.com'),
|
|
(2, 3, 'what.ever.com'),
|
|
(3, 7, 'cache-dtc-af05.proxy.aol.com'),
|
|
(4, 7, 'cache-dtc-af05.proxy.aol.com');
|
|
SELECT hostname, COUNT(DISTINCT user_id) as no FROM t1
|
|
WHERE hostname LIKE '%aol%'
|
|
GROUP BY hostname;
|
|
hostname no
|
|
cache-dtc-af05.proxy.aol.com 1
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1 (a int, b int);
|
|
INSERT INTO t1 VALUES (1,2), (1,3);
|
|
SELECT a, b FROM t1 GROUP BY 'const';
|
|
a b
|
|
1 2
|
|
SELECT DISTINCT a, b FROM t1 GROUP BY 'const';
|
|
a b
|
|
1 2
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1 (id INT, dt DATETIME);
|
|
INSERT INTO t1 VALUES ( 1, '2005-05-01 12:30:00' );
|
|
INSERT INTO t1 VALUES ( 1, '2005-05-01 12:30:00' );
|
|
INSERT INTO t1 VALUES ( 1, '2005-05-01 12:30:00' );
|
|
INSERT INTO t1 VALUES ( 1, '2005-05-01 12:30:00' );
|
|
SELECT dt DIV 1 AS f, id FROM t1 GROUP BY f;
|
|
f id
|
|
20050501123000 1
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1 (id varchar(20) NOT NULL);
|
|
INSERT INTO t1 VALUES ('trans1'), ('trans2');
|
|
CREATE TABLE t2 (id varchar(20) NOT NULL, err_comment blob NOT NULL);
|
|
INSERT INTO t2 VALUES ('trans1', 'a problem');
|
|
SELECT COUNT(DISTINCT(t1.id)), LEFT(err_comment, 256) AS comment
|
|
FROM t1 LEFT JOIN t2 ON t1.id=t2.id GROUP BY comment;
|
|
COUNT(DISTINCT(t1.id)) comment
|
|
1 NULL
|
|
1 a problem
|
|
DROP TABLE t1, t2;
|
|
create table t1 (f1 date);
|
|
insert into t1 values('2005-06-06');
|
|
insert into t1 values('2005-06-06');
|
|
select date(left(f1+0,8)) from t1 group by 1;
|
|
date(left(f1+0,8))
|
|
2005-06-06
|
|
drop table t1;
|
|
CREATE TABLE t1 (n int);
|
|
INSERT INTO t1 VALUES (1);
|
|
SELECT n+1 AS n FROM t1 GROUP BY n;
|
|
n
|
|
2
|
|
Warnings:
|
|
Warning 1052 Column 'n' in group statement is ambiguous
|
|
DROP TABLE t1;
|
|
create table t1(f1 varchar(5) key);
|
|
insert into t1 values (1),(2);
|
|
select sql_buffer_result max(f1) is null from t1;
|
|
max(f1) is null
|
|
0
|
|
select sql_buffer_result max(f1)+1 from t1;
|
|
max(f1)+1
|
|
3
|
|
drop table t1;
|
|
CREATE TABLE t1(a INT);
|
|
INSERT INTO t1 VALUES (1),(2);
|
|
SELECT a FROM t1 GROUP BY 'a';
|
|
a
|
|
1
|
|
SELECT a FROM t1 GROUP BY "a";
|
|
a
|
|
1
|
|
SELECT a FROM t1 GROUP BY `a`;
|
|
a
|
|
1
|
|
2
|
|
set sql_mode=ANSI_QUOTES;
|
|
SELECT a FROM t1 GROUP BY "a";
|
|
a
|
|
1
|
|
2
|
|
SELECT a FROM t1 GROUP BY 'a';
|
|
a
|
|
1
|
|
SELECT a FROM t1 GROUP BY `a`;
|
|
a
|
|
1
|
|
2
|
|
set sql_mode=DEFAULT;
|
|
SELECT a FROM t1 HAVING 'a' > 1;
|
|
a
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect DOUBLE value: 'a'
|
|
SELECT a FROM t1 HAVING "a" > 1;
|
|
a
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect DOUBLE value: 'a'
|
|
SELECT a FROM t1 HAVING `a` > 1;
|
|
a
|
|
2
|
|
SELECT a FROM t1 ORDER BY 'a' DESC;
|
|
a
|
|
1
|
|
2
|
|
SELECT a FROM t1 ORDER BY "a" DESC;
|
|
a
|
|
1
|
|
2
|
|
SELECT a FROM t1 ORDER BY `a` DESC;
|
|
a
|
|
2
|
|
1
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1 (
|
|
f1 int(10) unsigned NOT NULL auto_increment primary key,
|
|
f2 varchar(100) NOT NULL default ''
|
|
);
|
|
Warnings:
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
CREATE TABLE t2 (
|
|
f1 varchar(10) NOT NULL default '',
|
|
f2 char(3) NOT NULL default '',
|
|
PRIMARY KEY (`f1`),
|
|
KEY `k1` (`f2`,`f1`)
|
|
);
|
|
INSERT INTO t1 values(NULL, '');
|
|
INSERT INTO `t2` VALUES ('486878','WDT'),('486910','WDT');
|
|
SELECT SQL_BUFFER_RESULT avg(t2.f1) FROM t1, t2 where t2.f2 = 'SIR' GROUP BY t1.f1;
|
|
avg(t2.f1)
|
|
SELECT avg(t2.f1) FROM t1, t2 where t2.f2 = 'SIR' GROUP BY t1.f1;
|
|
avg(t2.f1)
|
|
DROP TABLE t1, t2;
|
|
create table t1 (c1 char(3), c2 char(3));
|
|
create table t2 (c3 char(3), c4 char(3));
|
|
insert into t1 values ('aaa', 'bb1'), ('aaa', 'bb2');
|
|
insert into t2 values ('aaa', 'bb1'), ('aaa', 'bb2');
|
|
select t1.c1 as c2 from t1, t2 where t1.c2 = t2.c4
|
|
group by c2;
|
|
c2
|
|
aaa
|
|
aaa
|
|
Warnings:
|
|
Warning 1052 Column 'c2' in group statement is ambiguous
|
|
show warnings;
|
|
Level Code Message
|
|
Warning 1052 Column 'c2' in group statement is ambiguous
|
|
select t1.c1 as c2 from t1, t2 where t1.c2 = t2.c4
|
|
group by t1.c1;
|
|
c2
|
|
aaa
|
|
show warnings;
|
|
Level Code Message
|
|
drop table t1, t2;
|
|
CREATE TABLE t1 (a tinyint(3), b varchar(255), PRIMARY KEY (a));
|
|
Warnings:
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
INSERT INTO t1 VALUES (1,'-----'), (6,'Allemagne'), (17,'Autriche'),
|
|
(25,'Belgique'), (54,'Danemark'), (62,'Espagne'), (68,'France');
|
|
CREATE TABLE t2 (a tinyint(3), b tinyint(3), PRIMARY KEY (a), KEY b (b));
|
|
Warnings:
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
INSERT INTO t2 VALUES (1,1), (2,1), (6,6), (18,17), (15,25), (16,25),
|
|
(17,25), (10,54), (5,62),(3,68);
|
|
CREATE VIEW v1 AS select t1.a, concat(t1.b,'') AS b, t1.b as real_b from t1;
|
|
ANALYZE TABLE t1,t2;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
test.t2 analyze status OK
|
|
explain
|
|
SELECT straight_join v1.a, v1.b, v1.real_b from t2, v1
|
|
where t2.b=v1.a GROUP BY t2.b;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t2 NULL index b b 2 NULL # 100.00 Using where; Using index
|
|
1 SIMPLE t1 NULL eq_ref PRIMARY PRIMARY 1 test.t2.b # 100.00 NULL
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select straight_join `test`.`t1`.`a` AS `a`,concat(`test`.`t1`.`b`,'') AS `b`,`test`.`t1`.`b` AS `real_b` from `test`.`t2` join `test`.`t1` where (`test`.`t1`.`a` = `test`.`t2`.`b`) group by `test`.`t2`.`b`
|
|
SELECT straight_join v1.a, v1.b, v1.real_b from t2, v1
|
|
where t2.b=v1.a GROUP BY t2.b;
|
|
a b real_b
|
|
1 ----- -----
|
|
6 Allemagne Allemagne
|
|
17 Autriche Autriche
|
|
25 Belgique Belgique
|
|
54 Danemark Danemark
|
|
62 Espagne Espagne
|
|
68 France France
|
|
DROP VIEW v1;
|
|
DROP TABLE t1,t2;
|
|
CREATE TABLE t1 (a INT PRIMARY KEY, b INT, key (b));
|
|
INSERT INTO t1 VALUES (1, 1);
|
|
INSERT INTO t1 SELECT a + 1 , MOD(a + 1 , 20) FROM t1;
|
|
INSERT INTO t1 SELECT a + 2 , MOD(a + 2 , 20) FROM t1;
|
|
INSERT INTO t1 SELECT a + 4 , MOD(a + 4 , 20) FROM t1;
|
|
INSERT INTO t1 SELECT a + 8 , MOD(a + 8 , 20) FROM t1;
|
|
INSERT INTO t1 SELECT a + 16, MOD(a + 16, 20) FROM t1;
|
|
INSERT INTO t1 SELECT a + 32, MOD(a + 32, 20) FROM t1;
|
|
INSERT INTO t1 SELECT a + 64, MOD(a + 64, 20) FROM t1;
|
|
SELECT MIN(b), MAX(b) from t1;
|
|
MIN(b) MAX(b)
|
|
0 19
|
|
ANALYZE TABLE t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
EXPLAIN SELECT b, sum(1) FROM t1 GROUP BY b;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index b b 5 NULL 128 100.00 Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`b` AS `b`,sum(1) AS `sum(1)` from `test`.`t1` group by `test`.`t1`.`b`
|
|
EXPLAIN SELECT SQL_BIG_RESULT b, sum(1) FROM t1 GROUP BY b;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index b b 5 NULL 128 100.00 Using index; Using filesort
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select sql_big_result `test`.`t1`.`b` AS `b`,sum(1) AS `sum(1)` from `test`.`t1` group by `test`.`t1`.`b`
|
|
SELECT b, sum(1) FROM t1 GROUP BY b;
|
|
b sum(1)
|
|
0 6
|
|
1 7
|
|
2 7
|
|
3 7
|
|
4 7
|
|
5 7
|
|
6 7
|
|
7 7
|
|
8 7
|
|
9 6
|
|
10 6
|
|
11 6
|
|
12 6
|
|
13 6
|
|
14 6
|
|
15 6
|
|
16 6
|
|
17 6
|
|
18 6
|
|
19 6
|
|
SELECT SQL_BIG_RESULT b, sum(1) FROM t1 GROUP BY b;
|
|
b sum(1)
|
|
0 6
|
|
1 7
|
|
2 7
|
|
3 7
|
|
4 7
|
|
5 7
|
|
6 7
|
|
7 7
|
|
8 7
|
|
9 6
|
|
10 6
|
|
11 6
|
|
12 6
|
|
13 6
|
|
14 6
|
|
15 6
|
|
16 6
|
|
17 6
|
|
18 6
|
|
19 6
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1 (a INT, b INT);
|
|
INSERT INTO t1 VALUES (1,1),(2,1),(3,2),(4,2),(5,3),(6,3);
|
|
SET SQL_MODE = 'ONLY_FULL_GROUP_BY';
|
|
SELECT MAX(a)-MIN(a) FROM t1 GROUP BY b;
|
|
MAX(a)-MIN(a)
|
|
1
|
|
1
|
|
1
|
|
SELECT CEILING(MIN(a)) FROM t1 GROUP BY b;
|
|
CEILING(MIN(a))
|
|
1
|
|
3
|
|
5
|
|
SELECT CASE WHEN AVG(a)>=0 THEN 'Positive' ELSE 'Negative' END FROM t1
|
|
GROUP BY b;
|
|
CASE WHEN AVG(a)>=0 THEN 'Positive' ELSE 'Negative' END
|
|
Positive
|
|
Positive
|
|
Positive
|
|
SELECT a + 1 FROM t1 GROUP BY a;
|
|
a + 1
|
|
2
|
|
3
|
|
4
|
|
5
|
|
6
|
|
7
|
|
SELECT a + b FROM t1 GROUP BY b;
|
|
ERROR 42000: Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'test.t1.a' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
|
|
SELECT (SELECT t1_outer.a FROM t1 AS t1_inner GROUP BY b LIMIT 1)
|
|
FROM t1 AS t1_outer;
|
|
(SELECT t1_outer.a FROM t1 AS t1_inner GROUP BY b LIMIT 1)
|
|
1
|
|
2
|
|
3
|
|
4
|
|
5
|
|
6
|
|
SELECT 1 FROM t1 as t1_outer GROUP BY a
|
|
HAVING (SELECT t1_outer.a FROM t1 AS t1_inner GROUP BY b LIMIT 1);
|
|
1
|
|
1
|
|
1
|
|
1
|
|
1
|
|
1
|
|
1
|
|
SELECT (SELECT t1_outer.a FROM t1 AS t1_inner LIMIT 1)
|
|
FROM t1 AS t1_outer GROUP BY t1_outer.b;
|
|
ERROR 42000: Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'test.t1_outer.a' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
|
|
SELECT 1 FROM t1 as t1_outer GROUP BY a
|
|
HAVING (SELECT t1_outer.b FROM t1 AS t1_inner LIMIT 1);
|
|
ERROR 42S22: Unknown column 'test.t1_outer.b' in 'field list'
|
|
SELECT (SELECT SUM(t1_inner.a) FROM t1 AS t1_inner LIMIT 1)
|
|
FROM t1 AS t1_outer GROUP BY t1_outer.b;
|
|
(SELECT SUM(t1_inner.a) FROM t1 AS t1_inner LIMIT 1)
|
|
21
|
|
21
|
|
21
|
|
SELECT (SELECT SUM(t1_inner.a) FROM t1 AS t1_inner GROUP BY t1_inner.b LIMIT 1)
|
|
FROM t1 AS t1_outer;
|
|
(SELECT SUM(t1_inner.a) FROM t1 AS t1_inner GROUP BY t1_inner.b LIMIT 1)
|
|
3
|
|
3
|
|
3
|
|
3
|
|
3
|
|
3
|
|
SELECT (SELECT SUM(t1_outer.a) FROM t1 AS t1_inner LIMIT 1)
|
|
FROM t1 AS t1_outer GROUP BY t1_outer.b;
|
|
(SELECT SUM(t1_outer.a) FROM t1 AS t1_inner LIMIT 1)
|
|
3
|
|
7
|
|
11
|
|
SET SQL_MODE = '';
|
|
SELECT (SELECT SUM(t1_outer.a) FROM t1 AS t1_inner LIMIT 1)
|
|
FROM t1 AS t1_outer GROUP BY t1_outer.b;
|
|
(SELECT SUM(t1_outer.a) FROM t1 AS t1_inner LIMIT 1)
|
|
3
|
|
7
|
|
11
|
|
SET SQL_MODE = 'ONLY_FULL_GROUP_BY';
|
|
SELECT (SELECT SUM(t1_outer.a+0*t1_inner.a) FROM t1 AS t1_inner LIMIT 1)
|
|
FROM t1 AS t1_outer GROUP BY t1_outer.b;
|
|
ERROR 42000: Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'test.t1_outer.a' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
|
|
SET SQL_MODE = '';
|
|
SELECT (SELECT SUM(t1_outer.a+0*t1_inner.a) FROM t1 AS t1_inner LIMIT 1)
|
|
FROM t1 AS t1_outer GROUP BY t1_outer.b;
|
|
(SELECT SUM(t1_outer.a+0*t1_inner.a) FROM t1 AS t1_inner LIMIT 1)
|
|
6
|
|
18
|
|
30
|
|
SET SQL_MODE = 'ONLY_FULL_GROUP_BY';
|
|
SELECT 1 FROM t1 as t1_outer
|
|
WHERE (SELECT t1_outer.b FROM t1 AS t1_inner GROUP BY t1_inner.b LIMIT 1);
|
|
1
|
|
1
|
|
1
|
|
1
|
|
1
|
|
1
|
|
1
|
|
SELECT b FROM t1 GROUP BY b HAVING CEILING(b) > 0;
|
|
b
|
|
1
|
|
2
|
|
3
|
|
SELECT 1 FROM t1 GROUP BY b HAVING b = 2 OR b = 3 OR SUM(a) > 12;
|
|
1
|
|
1
|
|
1
|
|
SELECT 1 FROM t1 GROUP BY b HAVING ROW (b,b) = ROW (1,1);
|
|
1
|
|
1
|
|
SELECT 1 FROM t1 GROUP BY b HAVING a = 2;
|
|
ERROR 42S22: Unknown column 'a' in 'having clause'
|
|
SELECT 1 FROM t1 GROUP BY SUM(b);
|
|
ERROR HY000: Invalid use of group function
|
|
SELECT b FROM t1 AS t1_outer GROUP BY a HAVING t1_outer.a IN
|
|
(SELECT SUM(t1_inner.b)+t1_outer.b FROM t1 AS t1_inner GROUP BY t1_inner.a
|
|
HAVING SUM(t1_inner.b)+t1_outer.b > 5);
|
|
ERROR 42000: Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'test.t1_outer.b' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
|
|
DROP TABLE t1;
|
|
SET SQL_MODE = '';
|
|
SET SQL_MODE = 'ONLY_FULL_GROUP_BY';
|
|
create table t1(f1 int, f2 int);
|
|
select * from t1 group by f1;
|
|
ERROR 42000: Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'test.t1.f2' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
|
|
select * from t1 group by f2;
|
|
ERROR 42000: Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'test.t1.f1' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
|
|
select * from t1 group by f1, f2;
|
|
f1 f2
|
|
select t1.f1,t.* from t1, t1 t group by 1;
|
|
ERROR 42000: Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'test.t.f1' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
|
|
drop table t1;
|
|
SET SQL_MODE = DEFAULT;
|
|
CREATE TABLE t1(
|
|
id INT AUTO_INCREMENT PRIMARY KEY,
|
|
c1 INT NOT NULL,
|
|
c2 INT NOT NULL,
|
|
UNIQUE KEY (c2,c1));
|
|
INSERT INTO t1(c1,c2) VALUES (5,1), (4,1), (3,5), (2,3), (1,3);
|
|
SELECT * FROM t1 ORDER BY c1;
|
|
id c1 c2
|
|
5 1 3
|
|
4 2 3
|
|
3 3 5
|
|
2 4 1
|
|
1 5 1
|
|
SELECT * FROM t1 GROUP BY id ORDER BY c1;
|
|
id c1 c2
|
|
5 1 3
|
|
4 2 3
|
|
3 3 5
|
|
2 4 1
|
|
1 5 1
|
|
SELECT * FROM t1 GROUP BY id ORDER BY id DESC;
|
|
id c1 c2
|
|
5 1 3
|
|
4 2 3
|
|
3 3 5
|
|
2 4 1
|
|
1 5 1
|
|
SELECT * FROM t1 GROUP BY c2 ,c1, id ORDER BY c2, c1;
|
|
id c1 c2
|
|
2 4 1
|
|
1 5 1
|
|
5 1 3
|
|
4 2 3
|
|
3 3 5
|
|
SELECT * FROM t1 GROUP BY c2, c1, id ORDER BY c2 DESC, c1;
|
|
id c1 c2
|
|
3 3 5
|
|
5 1 3
|
|
4 2 3
|
|
2 4 1
|
|
1 5 1
|
|
SELECT * FROM t1 GROUP BY c2, c1, id ORDER BY c2 DESC, c1 DESC;
|
|
id c1 c2
|
|
3 3 5
|
|
4 2 3
|
|
5 1 3
|
|
1 5 1
|
|
2 4 1
|
|
SELECT * FROM t1 GROUP BY c2 ORDER BY c2, c1;
|
|
id c1 c2
|
|
2 4 1
|
|
5 1 3
|
|
3 3 5
|
|
SELECT * FROM t1 GROUP BY c2 ORDER BY c2 DESC, c1;
|
|
id c1 c2
|
|
3 3 5
|
|
5 1 3
|
|
2 4 1
|
|
SELECT * FROM t1 GROUP BY c2 ORDER BY c2 DESC, c1 DESC;
|
|
id c1 c2
|
|
3 3 5
|
|
5 1 3
|
|
2 4 1
|
|
DROP TABLE t1;
|
|
#
|
|
# Bug#27219: Aggregate functions in ORDER BY.
|
|
#
|
|
SET @save_sql_mode=@@sql_mode;
|
|
SET @@sql_mode='ONLY_FULL_GROUP_BY';
|
|
CREATE TABLE t1 (a INT, b INT, c INT DEFAULT 0);
|
|
INSERT INTO t1 (a, b) VALUES (3,3), (2,2), (3,3), (2,2), (3,3), (4,4);
|
|
CREATE TABLE t2 SELECT * FROM t1;
|
|
SELECT COUNT(*) FROM t1 ORDER BY COUNT(*);
|
|
COUNT(*)
|
|
6
|
|
SELECT COUNT(*) FROM t1 ORDER BY COUNT(*) + 1;
|
|
COUNT(*)
|
|
6
|
|
SELECT COUNT(*) FROM t1 ORDER BY COUNT(*) + a;
|
|
COUNT(*)
|
|
6
|
|
SELECT COUNT(*) FROM t1 ORDER BY COUNT(*), 1;
|
|
COUNT(*)
|
|
6
|
|
SELECT COUNT(*) FROM t1 ORDER BY COUNT(*), a;
|
|
COUNT(*)
|
|
6
|
|
SELECT COUNT(*) FROM t1 ORDER BY SUM(a);
|
|
COUNT(*)
|
|
6
|
|
SELECT COUNT(*) FROM t1 ORDER BY SUM(a + 1);
|
|
COUNT(*)
|
|
6
|
|
SELECT COUNT(*) FROM t1 ORDER BY SUM(a) + 1;
|
|
COUNT(*)
|
|
6
|
|
SELECT COUNT(*) FROM t1 ORDER BY SUM(a), b;
|
|
COUNT(*)
|
|
6
|
|
SELECT SUM(a) FROM t1 ORDER BY COUNT(b);
|
|
SUM(a)
|
|
17
|
|
SELECT t1.a FROM t1 ORDER BY (SELECT SUM(t2.a) FROM t2);
|
|
a
|
|
3
|
|
2
|
|
3
|
|
2
|
|
3
|
|
4
|
|
SELECT t1.a FROM t1 ORDER BY (SELECT SUM(t2.a), t2.a FROM t2);
|
|
ERROR 21000: Operand should contain 1 column(s)
|
|
SELECT t1.a FROM t1 ORDER BY (SELECT SUM(t2.a) FROM t2 ORDER BY t2.a);
|
|
a
|
|
3
|
|
2
|
|
3
|
|
2
|
|
3
|
|
4
|
|
SELECT t1.a FROM t1 ORDER BY (SELECT t2.a FROM t2 ORDER BY SUM(t2.b) LIMIT 1);
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
SELECT t1.a FROM t1
|
|
WHERE t1.a = (SELECT t2.a FROM t2 ORDER BY SUM(t2.b) LIMIT 1);
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
SELECT t1.a FROM t1 GROUP BY t1.a
|
|
HAVING t1.a = (SELECT t2.a FROM t2 ORDER BY SUM(t2.a) LIMIT 1);
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
SELECT t1.a FROM t1 GROUP BY t1.a
|
|
HAVING t1.a IN (SELECT t2.a FROM t2 ORDER BY SUM(t1.b));
|
|
a
|
|
2
|
|
3
|
|
4
|
|
SELECT t1.a FROM t1 GROUP BY t1.a
|
|
HAVING t1.a IN (SELECT t2.a FROM t2 ORDER BY t2.a, SUM(t2.b));
|
|
ERROR HY000: Expression #2 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
SELECT t1.a FROM t1 GROUP BY t1.a
|
|
HAVING t1.a > ANY (SELECT t2.a FROM t2 ORDER BY t2.a, SUM(t2.b));
|
|
ERROR HY000: Expression #2 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
SELECT t1.a FROM t1
|
|
WHERE t1.a = (SELECT t2.a FROM t2 ORDER BY SUM(t1.b));
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
SELECT 1 FROM t1 GROUP BY t1.a
|
|
HAVING (SELECT AVG(SUM(t1.b) + 1) FROM t2 ORDER BY SUM(t2.a) LIMIT 1);
|
|
1
|
|
1
|
|
1
|
|
1
|
|
SELECT 1 FROM t1 GROUP BY t1.a
|
|
HAVING (SELECT AVG(SUM(t1.b) + t2.b) FROM t2 ORDER BY SUM(t2.a) LIMIT 1);
|
|
1
|
|
1
|
|
1
|
|
1
|
|
SELECT 1 FROM t1 GROUP BY t1.a
|
|
HAVING (SELECT AVG(t1.b + t2.b) FROM t2 ORDER BY SUM(t2.a) LIMIT 1);
|
|
ERROR 42000: Expression #1 of HAVING clause is not in GROUP BY clause and contains nonaggregated column 'test.t1.b' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
|
|
SELECT 1 FROM t1 GROUP BY t1.a
|
|
HAVING (SELECT AVG(SUM(t1.b) + 1) FROM t2 ORDER BY t2.a LIMIT 1);
|
|
1
|
|
1
|
|
1
|
|
1
|
|
SELECT 1 FROM t1 GROUP BY t1.a
|
|
HAVING (SELECT AVG(SUM(t1.b) + t2.b) FROM t2 ORDER BY t2.a LIMIT 1);
|
|
1
|
|
1
|
|
1
|
|
1
|
|
SELECT 1 FROM t1 GROUP BY t1.a
|
|
HAVING (SELECT AVG(t1.b + t2.b) FROM t2 ORDER BY t2.a LIMIT 1);
|
|
ERROR 42000: Expression #1 of HAVING clause is not in GROUP BY clause and contains nonaggregated column 'test.t1.b' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
|
|
SELECT t1.a FROM t1
|
|
WHERE t1.a = (SELECT t2.a FROM t2 GROUP BY t2.a
|
|
ORDER BY SUM(t2.b), SUM(t1.b) LIMIT 1);
|
|
a
|
|
4
|
|
SELECT t1.a, SUM(t1.b) FROM t1
|
|
WHERE t1.a = (SELECT SUM(t2.b) FROM t2 GROUP BY t2.a
|
|
ORDER BY SUM(t2.b), SUM(t1.b) LIMIT 1)
|
|
GROUP BY t1.a;
|
|
a SUM(t1.b)
|
|
4 4
|
|
SELECT t1.a, SUM(t1.b) FROM t1
|
|
WHERE t1.a = (SELECT SUM(t2.b) FROM t2
|
|
ORDER BY SUM(t2.b) + SUM(t1.b) LIMIT 1)
|
|
GROUP BY t1.a;
|
|
a SUM(t1.b)
|
|
SELECT t1.a, SUM(t1.b) FROM t1
|
|
WHERE t1.a = (SELECT SUM(t2.b) FROM t2
|
|
ORDER BY SUM(t2.b + t1.a) LIMIT 1)
|
|
GROUP BY t1.a;
|
|
a SUM(t1.b)
|
|
SELECT t1.a FROM t1 GROUP BY t1.a
|
|
HAVING (1, 1) = (SELECT SUM(t1.a), t1.a FROM t2 LIMIT 1);
|
|
a
|
|
select avg (
|
|
(select
|
|
(select sum(outr.a + innr.a) from t1 as innr limit 1) as tt
|
|
from t1 as outr order by outr.a limit 1))
|
|
from t1 as most_outer;
|
|
avg (
|
|
(select
|
|
(select sum(outr.a + innr.a) from t1 as innr limit 1) as tt
|
|
from t1 as outr order by outr.a limit 1))
|
|
29.0000
|
|
select avg (
|
|
(select (
|
|
(select sum(outr.a + innr.a) from t1 as innr limit 1)) as tt
|
|
from t1 as outr order by count(outr.a) limit 1)) as tt
|
|
from t1 as most_outer;
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
select (select sum(outr.a + t1.a) from t1 limit 1) as tt from t1 as outr order by outr.a;
|
|
tt
|
|
29
|
|
29
|
|
35
|
|
35
|
|
35
|
|
41
|
|
SET sql_mode=@save_sql_mode;
|
|
DROP TABLE t1, t2;
|
|
#
|
|
# BUG#38072: Wrong result: HAVING not observed in a query with aggregate
|
|
#
|
|
CREATE TABLE t1 (
|
|
pk int(11) NOT NULL AUTO_INCREMENT,
|
|
int_nokey int(11) NOT NULL,
|
|
int_key int(11) NOT NULL,
|
|
varchar_key varchar(1) NOT NULL,
|
|
varchar_nokey varchar(1) NOT NULL,
|
|
PRIMARY KEY (pk),
|
|
KEY int_key (int_key),
|
|
KEY varchar_key (varchar_key)
|
|
);
|
|
Warnings:
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
INSERT INTO t1 VALUES
|
|
(1,5,5, 'h','h'),
|
|
(2,1,1, '{','{'),
|
|
(3,1,1, 'z','z'),
|
|
(4,8,8, 'x','x'),
|
|
(5,7,7, 'o','o'),
|
|
(6,3,3, 'p','p'),
|
|
(7,9,9, 'c','c'),
|
|
(8,0,0, 'k','k'),
|
|
(9,6,6, 't','t'),
|
|
(10,0,0,'c','c');
|
|
ANALYZE TABLE t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
explain SELECT COUNT(varchar_key) AS x FROM t1 WHERE pk = 8 having 'foo'='bar';
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL NULL Impossible HAVING
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select count(`test`.`t1`.`varchar_key`) AS `x` from `test`.`t1` where multiple equal(8, `test`.`t1`.`pk`) having false
|
|
SELECT COUNT(varchar_key) AS x FROM t1 WHERE pk = 8 having 'foo'='bar';
|
|
x
|
|
drop table t1;
|
|
End of 5.0 tests
|
|
CREATE TABLE t1 (a INT, b INT,
|
|
PRIMARY KEY (a),
|
|
KEY i2(a,b));
|
|
INSERT INTO t1 VALUES (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8);
|
|
INSERT INTO t1 SELECT a + 8,b FROM t1;
|
|
INSERT INTO t1 SELECT a + 16,b FROM t1;
|
|
INSERT INTO t1 SELECT a + 32,b FROM t1;
|
|
INSERT INTO t1 SELECT a + 64,b FROM t1;
|
|
INSERT INTO t1 SELECT a + 128,b FROM t1 limit 16;
|
|
ANALYZE TABLE t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
EXPLAIN SELECT a FROM t1 WHERE a < 2;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL range PRIMARY,i2 PRIMARY 4 NULL 1 100.00 Using where; Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` < 2)
|
|
EXPLAIN SELECT a FROM t1 WHERE a < 2 ORDER BY a;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL range PRIMARY,i2 PRIMARY 4 NULL 1 100.00 Using where; Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` < 2) order by `test`.`t1`.`a`
|
|
EXPLAIN SELECT a FROM t1 WHERE a < 2 GROUP BY a;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL range PRIMARY,i2 PRIMARY 4 NULL 1 100.00 Using where; Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` < 2) group by `test`.`t1`.`a`
|
|
EXPLAIN SELECT a FROM t1 IGNORE INDEX (PRIMARY,i2);
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 144 100.00 NULL
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` IGNORE INDEX (`i2`) IGNORE INDEX (PRIMARY)
|
|
EXPLAIN SELECT a FROM t1 IGNORE INDEX FOR JOIN (PRIMARY,i2);
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 144 100.00 NULL
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` IGNORE INDEX FOR JOIN (`i2`) IGNORE INDEX FOR JOIN (PRIMARY)
|
|
EXPLAIN SELECT a FROM t1 IGNORE INDEX FOR GROUP BY (PRIMARY,i2) GROUP BY a;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index PRIMARY,i2 PRIMARY 4 NULL 144 100.00 Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` IGNORE INDEX FOR GROUP BY (`i2`) IGNORE INDEX FOR GROUP BY (PRIMARY) group by `test`.`t1`.`a`
|
|
FLUSH STATUS;
|
|
SELECT a FROM t1 IGNORE INDEX FOR GROUP BY (PRIMARY,i2) GROUP BY a;
|
|
SHOW SESSION STATUS LIKE 'Sort_scan%';
|
|
Variable_name Value
|
|
Sort_scan 0
|
|
EXPLAIN SELECT a FROM t1 IGNORE INDEX FOR ORDER BY (PRIMARY,i2) ORDER BY a;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index NULL PRIMARY 4 NULL 144 100.00 Using index; Using filesort
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` IGNORE INDEX FOR ORDER BY (`i2`) IGNORE INDEX FOR ORDER BY (PRIMARY) order by `test`.`t1`.`a`
|
|
FLUSH STATUS;
|
|
SELECT a FROM t1 IGNORE INDEX FOR ORDER BY (PRIMARY,i2) ORDER BY a;
|
|
SHOW SESSION STATUS LIKE 'Sort_scan%';
|
|
Variable_name Value
|
|
Sort_scan 1
|
|
SELECT a FROM t1 IGNORE INDEX FOR ORDER BY (PRIMARY,i2) ORDER BY a;
|
|
a
|
|
1
|
|
2
|
|
3
|
|
4
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5
|
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6
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7
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8
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9
|
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10
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11
|
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12
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13
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14
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15
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16
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17
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18
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19
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20
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21
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22
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23
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24
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25
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26
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27
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28
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29
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30
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31
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32
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33
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34
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35
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36
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37
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38
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39
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40
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41
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42
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43
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44
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45
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46
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47
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48
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49
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50
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51
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52
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53
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54
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55
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56
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57
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58
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59
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60
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61
|
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62
|
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63
|
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64
|
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65
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66
|
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67
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68
|
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69
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70
|
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71
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72
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73
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74
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75
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76
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77
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78
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79
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80
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81
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82
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83
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84
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85
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86
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87
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88
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89
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90
|
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91
|
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92
|
|
93
|
|
94
|
|
95
|
|
96
|
|
97
|
|
98
|
|
99
|
|
100
|
|
101
|
|
102
|
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103
|
|
104
|
|
105
|
|
106
|
|
107
|
|
108
|
|
109
|
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110
|
|
111
|
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112
|
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113
|
|
114
|
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115
|
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116
|
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117
|
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118
|
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119
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120
|
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121
|
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122
|
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123
|
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124
|
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125
|
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126
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127
|
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128
|
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129
|
|
130
|
|
131
|
|
132
|
|
133
|
|
134
|
|
135
|
|
136
|
|
137
|
|
138
|
|
139
|
|
140
|
|
141
|
|
142
|
|
143
|
|
144
|
|
EXPLAIN SELECT a FROM t1 IGNORE INDEX FOR ORDER BY (PRIMARY)
|
|
IGNORE INDEX FOR GROUP BY (i2) GROUP BY a;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index PRIMARY,i2 PRIMARY 4 NULL 144 100.00 Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` IGNORE INDEX FOR GROUP BY (`i2`) IGNORE INDEX FOR ORDER BY (PRIMARY) group by `test`.`t1`.`a`
|
|
EXPLAIN SELECT a FROM t1 IGNORE INDEX (PRIMARY) IGNORE INDEX FOR ORDER BY (i2);
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index NULL i2 9 NULL 144 100.00 Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` IGNORE INDEX FOR ORDER BY (`i2`) IGNORE INDEX (PRIMARY)
|
|
EXPLAIN SELECT a FROM t1 FORCE INDEX (i2);
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index NULL i2 9 NULL 144 100.00 Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` FORCE INDEX (`i2`)
|
|
EXPLAIN SELECT a FROM t1 USE INDEX ();
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 144 100.00 NULL
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` USE INDEX ()
|
|
EXPLAIN SELECT a FROM t1 USE INDEX () USE INDEX (i2);
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 144 100.00 NULL
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` USE INDEX (`i2`) USE INDEX ()
|
|
EXPLAIN SELECT a FROM t1
|
|
FORCE INDEX (PRIMARY)
|
|
IGNORE INDEX FOR GROUP BY (i2)
|
|
IGNORE INDEX FOR ORDER BY (i2)
|
|
USE INDEX (i2);
|
|
ERROR HY000: Incorrect usage of USE INDEX and FORCE INDEX
|
|
EXPLAIN SELECT a FROM t1 USE INDEX (i2) USE INDEX ();
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index NULL i2 9 NULL 144 100.00 Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` USE INDEX () USE INDEX (`i2`)
|
|
EXPLAIN SELECT a FROM t1 FORCE INDEX ();
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' at line 1
|
|
EXPLAIN SELECT a FROM t1 IGNORE INDEX ();
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' at line 1
|
|
EXPLAIN SELECT a FROM t1 USE INDEX FOR JOIN (i2)
|
|
USE INDEX FOR GROUP BY (i2) GROUP BY a;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index PRIMARY,i2 i2 9 NULL # 100.00 Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` USE INDEX FOR GROUP BY (`i2`) USE INDEX FOR JOIN (`i2`) group by `test`.`t1`.`a`
|
|
EXPLAIN SELECT a FROM t1 FORCE INDEX FOR JOIN (i2)
|
|
FORCE INDEX FOR GROUP BY (i2) GROUP BY a;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index PRIMARY,i2 i2 9 NULL 144 100.00 Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` FORCE INDEX FOR GROUP BY (`i2`) FORCE INDEX FOR JOIN (`i2`) group by `test`.`t1`.`a`
|
|
EXPLAIN SELECT a FROM t1 USE INDEX () IGNORE INDEX (i2);
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 144 100.00 NULL
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` IGNORE INDEX (`i2`) USE INDEX ()
|
|
EXPLAIN SELECT a FROM t1 IGNORE INDEX (i2) USE INDEX ();
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 144 100.00 NULL
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` USE INDEX () IGNORE INDEX (`i2`)
|
|
EXPLAIN SELECT a FROM t1
|
|
USE INDEX FOR GROUP BY (i2)
|
|
USE INDEX FOR ORDER BY (i2)
|
|
USE INDEX FOR JOIN (i2);
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index NULL i2 9 NULL 144 100.00 Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` USE INDEX FOR JOIN (`i2`) USE INDEX FOR ORDER BY (`i2`) USE INDEX FOR GROUP BY (`i2`)
|
|
EXPLAIN SELECT a FROM t1
|
|
USE INDEX FOR JOIN (i2)
|
|
USE INDEX FOR JOIN (i2)
|
|
USE INDEX FOR JOIN (i2,i2);
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index NULL i2 9 NULL 144 100.00 Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` USE INDEX FOR JOIN (`i2`) USE INDEX FOR JOIN (`i2`) USE INDEX FOR JOIN (`i2`) USE INDEX FOR JOIN (`i2`)
|
|
EXPLAIN SELECT 1 FROM t1 WHERE a IN
|
|
(SELECT a FROM t1 USE INDEX (i2) IGNORE INDEX (i2));
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index PRIMARY,i2 PRIMARY 4 NULL 144 100.00 Using where; Using index
|
|
1 SIMPLE <subquery2> NULL eq_ref <auto_distinct_key> <auto_distinct_key> 4 test.t1.a 1 100.00 NULL
|
|
2 MATERIALIZED t1 NULL ALL NULL NULL NULL NULL 144 100.00 NULL
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select 1 AS `1` from `test`.`t1` semi join (`test`.`t1` IGNORE INDEX (`i2`) USE INDEX (`i2`)) where (`<subquery2>`.`a` = `test`.`t1`.`a`)
|
|
CREATE TABLE t2 (a INT, b INT, KEY(a));
|
|
INSERT INTO t2 VALUES (1, 1), (2, 2), (3,3), (4,4);
|
|
EXPLAIN SELECT a, SUM(b) FROM t2 GROUP BY a LIMIT 2;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t2 NULL index a a 5 NULL 2 100.00 NULL
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a`,sum(`test`.`t2`.`b`) AS `SUM(b)` from `test`.`t2` group by `test`.`t2`.`a` limit 2
|
|
EXPLAIN SELECT a, SUM(b) FROM t2 IGNORE INDEX (a) GROUP BY a LIMIT 2;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t2 NULL ALL a NULL NULL NULL 4 100.00 Using temporary
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a`,sum(`test`.`t2`.`b`) AS `SUM(b)` from `test`.`t2` IGNORE INDEX (`a`) group by `test`.`t2`.`a` limit 2
|
|
ANALYZE TABLE t2;
|
|
Table Op Msg_type Msg_text
|
|
test.t2 analyze status OK
|
|
EXPLAIN SELECT 1 FROM t2 WHERE a IN
|
|
(SELECT a FROM t1 USE INDEX (i2) IGNORE INDEX (i2));
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t2 NULL index a a 5 NULL 4 100.00 Using where; Using index
|
|
1 SIMPLE <subquery2> NULL eq_ref <auto_distinct_key> <auto_distinct_key> 4 test.t2.a 1 100.00 NULL
|
|
2 MATERIALIZED t1 NULL ALL NULL NULL NULL NULL 144 100.00 NULL
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select 1 AS `1` from `test`.`t2` semi join (`test`.`t1` IGNORE INDEX (`i2`) USE INDEX (`i2`)) where (`<subquery2>`.`a` = `test`.`t2`.`a`)
|
|
SHOW VARIABLES LIKE 'old';
|
|
Variable_name Value
|
|
old OFF
|
|
SET @@old = off;
|
|
ERROR HY000: Variable 'old' is a read only variable
|
|
DROP TABLE t1, t2;
|
|
CREATE TABLE t1(
|
|
a INT,
|
|
b INT NOT NULL,
|
|
c INT NOT NULL,
|
|
d INT,
|
|
UNIQUE KEY (c,b)
|
|
);
|
|
INSERT INTO t1 VALUES (1,1,1,50), (1,2,3,40), (2,1,3,4);
|
|
CREATE TABLE t2(
|
|
a INT,
|
|
b INT,
|
|
UNIQUE KEY(a,b)
|
|
);
|
|
INSERT INTO t2 VALUES (NULL, NULL), (NULL, NULL), (NULL, 1), (1, NULL), (1, 1), (1,2);
|
|
ANALYZE TABLE t1,t2;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
test.t2 analyze status OK
|
|
EXPLAIN SELECT c,b,d FROM t1 GROUP BY c,b,d;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 3 100.00 NULL
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`c` AS `c`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`d` AS `d` from `test`.`t1` group by `test`.`t1`.`c`,`test`.`t1`.`b`,`test`.`t1`.`d`
|
|
SELECT c,b,d FROM t1 GROUP BY c,b,d;
|
|
c b d
|
|
1 1 50
|
|
3 1 4
|
|
3 2 40
|
|
EXPLAIN SELECT c,b,d FROM t1 GROUP BY c,b,d ORDER BY NULL;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 3 100.00 NULL
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`c` AS `c`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`d` AS `d` from `test`.`t1` group by `test`.`t1`.`c`,`test`.`t1`.`b`,`test`.`t1`.`d` order by NULL
|
|
SELECT c,b,d FROM t1 GROUP BY c,b,d ORDER BY NULL;
|
|
c b d
|
|
1 1 50
|
|
3 1 4
|
|
3 2 40
|
|
EXPLAIN SELECT c,b,d FROM t1 ORDER BY c,b,d;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 3 100.00 Using filesort
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`c` AS `c`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`d` AS `d` from `test`.`t1` order by `test`.`t1`.`c`,`test`.`t1`.`b`,`test`.`t1`.`d`
|
|
SELECT c,b,d FROM t1 ORDER BY c,b,d;
|
|
c b d
|
|
1 1 50
|
|
3 1 4
|
|
3 2 40
|
|
EXPLAIN SELECT c,b,d FROM t1 GROUP BY c,b;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL ALL c NULL NULL NULL 3 100.00 NULL
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`c` AS `c`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`d` AS `d` from `test`.`t1` group by `test`.`t1`.`c`,`test`.`t1`.`b`
|
|
SELECT c,b,d FROM t1 GROUP BY c,b;
|
|
c b d
|
|
1 1 50
|
|
3 1 4
|
|
3 2 40
|
|
EXPLAIN SELECT c,b FROM t1 GROUP BY c,b;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index c c 8 NULL 3 100.00 Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`c` AS `c`,`test`.`t1`.`b` AS `b` from `test`.`t1` group by `test`.`t1`.`c`,`test`.`t1`.`b`
|
|
SELECT c,b FROM t1 GROUP BY c,b;
|
|
c b
|
|
1 1
|
|
3 1
|
|
3 2
|
|
EXPLAIN SELECT a,b from t2 ORDER BY a,b;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t2 NULL index NULL a 10 NULL 6 100.00 Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` order by `test`.`t2`.`a`,`test`.`t2`.`b`
|
|
SELECT a,b from t2 ORDER BY a,b;
|
|
a b
|
|
NULL NULL
|
|
NULL NULL
|
|
NULL 1
|
|
1 NULL
|
|
1 1
|
|
1 2
|
|
EXPLAIN SELECT a,b from t2 GROUP BY a,b;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t2 NULL index a a 10 NULL 6 100.00 Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` group by `test`.`t2`.`a`,`test`.`t2`.`b`
|
|
SELECT a,b from t2 GROUP BY a,b;
|
|
a b
|
|
NULL NULL
|
|
NULL 1
|
|
1 NULL
|
|
1 1
|
|
1 2
|
|
EXPLAIN SELECT a from t2 GROUP BY a;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t2 NULL range a a 5 NULL 3 100.00 Using index for group-by
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a` from `test`.`t2` group by `test`.`t2`.`a`
|
|
SELECT a from t2 GROUP BY a;
|
|
a
|
|
NULL
|
|
1
|
|
EXPLAIN SELECT b from t2 GROUP BY b;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t2 NULL index a a 10 NULL 6 100.00 Using index; Using temporary
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t2`.`b` AS `b` from `test`.`t2` group by `test`.`t2`.`b`
|
|
SELECT b from t2 GROUP BY b;
|
|
b
|
|
NULL
|
|
1
|
|
2
|
|
DROP TABLE t1;
|
|
DROP TABLE t2;
|
|
CREATE TABLE t1 ( a INT, b INT );
|
|
SELECT b c, (SELECT a FROM t1 WHERE b = c)
|
|
FROM t1;
|
|
c (SELECT a FROM t1 WHERE b = c)
|
|
SELECT b c, (SELECT a FROM t1 WHERE b = c)
|
|
FROM t1
|
|
HAVING b = 10;
|
|
c (SELECT a FROM t1 WHERE b = c)
|
|
SELECT MAX(b) c, (SELECT a FROM t1 WHERE b = c)
|
|
FROM t1
|
|
HAVING b = 10;
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SET @old_sql_mode = @@sql_mode;
|
|
SET @@sql_mode='ONLY_FULL_GROUP_BY';
|
|
SELECT b c, (SELECT a FROM t1 WHERE b = c)
|
|
FROM t1;
|
|
c (SELECT a FROM t1 WHERE b = c)
|
|
SELECT b c, (SELECT a FROM t1 WHERE b = c)
|
|
FROM t1
|
|
HAVING b = 10;
|
|
c (SELECT a FROM t1 WHERE b = c)
|
|
SELECT MAX(b) c, (SELECT a FROM t1 WHERE b = c)
|
|
FROM t1
|
|
HAVING b = 10;
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
INSERT INTO t1 VALUES (1, 1);
|
|
SELECT b c, (SELECT a FROM t1 WHERE b = c)
|
|
FROM t1;
|
|
c (SELECT a FROM t1 WHERE b = c)
|
|
1 1
|
|
INSERT INTO t1 VALUES (2, 1);
|
|
SELECT b c, (SELECT a FROM t1 WHERE b = c)
|
|
FROM t1;
|
|
ERROR 21000: Subquery returns more than 1 row
|
|
DROP TABLE t1;
|
|
SET @@sql_mode = @old_sql_mode;
|
|
SET @old_sql_mode = @@sql_mode;
|
|
SET @@sql_mode='ONLY_FULL_GROUP_BY';
|
|
CREATE TABLE t1(i INT);
|
|
INSERT INTO t1 VALUES (1), (10);
|
|
SELECT COUNT(i) FROM t1;
|
|
COUNT(i)
|
|
2
|
|
SELECT COUNT(i) FROM t1 WHERE i > 1;
|
|
COUNT(i)
|
|
1
|
|
DROP TABLE t1;
|
|
SET @@sql_mode = @old_sql_mode;
|
|
#
|
|
# Bug #45640: optimizer bug produces wrong results
|
|
#
|
|
CREATE TABLE t1 (a INT, b INT);
|
|
INSERT INTO t1 VALUES (4, 40), (1, 10), (2, 20), (2, 20), (3, 30);
|
|
# should return 4 ordered records:
|
|
SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY aa;
|
|
aa COUNT(DISTINCT b)
|
|
1 1
|
|
2 1
|
|
3 1
|
|
4 1
|
|
SELECT (SELECT (SELECT t1.a)) aa, COUNT(DISTINCT b) FROM t1 GROUP BY aa;
|
|
aa COUNT(DISTINCT b)
|
|
1 1
|
|
2 1
|
|
3 1
|
|
4 1
|
|
SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY aa+0;
|
|
aa COUNT(DISTINCT b)
|
|
1 1
|
|
2 1
|
|
3 1
|
|
4 1
|
|
# should return the same result in a reverse order:
|
|
SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY -aa;
|
|
aa COUNT(DISTINCT b)
|
|
4 1
|
|
3 1
|
|
2 1
|
|
1 1
|
|
ANALYZE TABLE t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
# execution plan should not use temporary table:
|
|
EXPLAIN
|
|
SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY aa+0;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 PRIMARY t1 NULL ALL NULL NULL NULL NULL 5 100.00 Using filesort
|
|
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
|
Warnings:
|
|
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
|
|
Note 1003 /* select#1 */ select (/* select#2 */ select `test`.`t1`.`a`) AS `aa`,count(distinct `test`.`t1`.`b`) AS `COUNT(DISTINCT b)` from `test`.`t1` group by ((/* select#2 */ select `test`.`t1`.`a`) + 0)
|
|
EXPLAIN
|
|
SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY -aa;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 PRIMARY t1 NULL ALL NULL NULL NULL NULL 5 100.00 Using filesort
|
|
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL NULL No tables used
|
|
Warnings:
|
|
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
|
|
Note 1003 /* select#1 */ select (/* select#2 */ select `test`.`t1`.`a`) AS `aa`,count(distinct `test`.`t1`.`b`) AS `COUNT(DISTINCT b)` from `test`.`t1` group by -((/* select#2 */ select `test`.`t1`.`a`))
|
|
# should return only one record
|
|
SELECT (SELECT tt.a FROM t1 tt LIMIT 1) aa, COUNT(DISTINCT b) FROM t1
|
|
GROUP BY aa;
|
|
aa COUNT(DISTINCT b)
|
|
4 4
|
|
CREATE TABLE t2 SELECT DISTINCT a FROM t1;
|
|
# originally reported queries (1st two columns of next two query
|
|
# results should be same):
|
|
SELECT (SELECT t2.a FROM t2 WHERE t2.a = t1.a) aa, b, COUNT(DISTINCT b)
|
|
FROM t1 GROUP BY aa, b;
|
|
aa b COUNT(DISTINCT b)
|
|
1 10 1
|
|
2 20 1
|
|
3 30 1
|
|
4 40 1
|
|
SELECT (SELECT t2.a FROM t2 WHERE t2.a = t1.a) aa, b, COUNT( b)
|
|
FROM t1 GROUP BY aa, b;
|
|
aa b COUNT( b)
|
|
1 10 1
|
|
2 20 2
|
|
3 30 1
|
|
4 40 1
|
|
# ORDER BY for sure:
|
|
SELECT (SELECT t2.a FROM t2 WHERE t2.a = t1.a) aa, b, COUNT(DISTINCT b)
|
|
FROM t1 GROUP BY aa, b ORDER BY -aa, -b;
|
|
aa b COUNT(DISTINCT b)
|
|
4 40 1
|
|
3 30 1
|
|
2 20 1
|
|
1 10 1
|
|
SELECT (SELECT t2.a FROM t2 WHERE t2.a = t1.a) aa, b, COUNT( b)
|
|
FROM t1 GROUP BY aa, b ORDER BY -aa, -b;
|
|
aa b COUNT( b)
|
|
4 40 1
|
|
3 30 1
|
|
2 20 2
|
|
1 10 1
|
|
DROP TABLE t1, t2;
|
|
#
|
|
# Bug#52051: Aggregate functions incorrectly returns NULL from outer
|
|
# join query
|
|
#
|
|
CREATE TABLE t1 (a INT PRIMARY KEY);
|
|
CREATE TABLE t2 (a INT PRIMARY KEY);
|
|
INSERT INTO t2 VALUES (1), (2);
|
|
ANALYZE TABLE t1,t2;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
test.t2 analyze status OK
|
|
EXPLAIN SELECT MIN(t2.a) FROM t2 LEFT JOIN t1 ON t2.a = t1.a;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select min(`test`.`t2`.`a`) AS `MIN(t2.a)` from `test`.`t2` left join `test`.`t1` on(multiple equal(`test`.`t2`.`a`, `test`.`t1`.`a`))
|
|
SELECT MIN(t2.a) FROM t2 LEFT JOIN t1 ON t2.a = t1.a;
|
|
MIN(t2.a)
|
|
1
|
|
EXPLAIN SELECT MAX(t2.a) FROM t2 LEFT JOIN t1 ON t2.a = t1.a;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select max(`test`.`t2`.`a`) AS `MAX(t2.a)` from `test`.`t2` left join `test`.`t1` on(multiple equal(`test`.`t2`.`a`, `test`.`t1`.`a`))
|
|
SELECT MAX(t2.a) FROM t2 LEFT JOIN t1 ON t2.a = t1.a;
|
|
MAX(t2.a)
|
|
2
|
|
DROP TABLE t1, t2;
|
|
#
|
|
# Bug#55188: GROUP BY, GROUP_CONCAT and TEXT - inconsistent results
|
|
#
|
|
CREATE TABLE t1 (a text, b varchar(10));
|
|
INSERT INTO t1 VALUES (repeat('1', 1300),'one'), (repeat('1', 1300),'two');
|
|
ANALYZE TABLE t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
EXPLAIN
|
|
SELECT SUBSTRING(a,1,10), LENGTH(a), GROUP_CONCAT(b) FROM t1 GROUP BY a;
|
|
id 1
|
|
select_type SIMPLE
|
|
table t1
|
|
partitions NULL
|
|
type ALL
|
|
possible_keys NULL
|
|
key NULL
|
|
key_len NULL
|
|
ref NULL
|
|
rows 2
|
|
filtered 100.00
|
|
Extra Using filesort
|
|
Warnings:
|
|
Level Note
|
|
Code 1003
|
|
Message /* select#1 */ select substr(`test`.`t1`.`a`,1,10) AS `SUBSTRING(a,1,10)`,length(`test`.`t1`.`a`) AS `LENGTH(a)`,group_concat(`test`.`t1`.`b` separator ',') AS `GROUP_CONCAT(b)` from `test`.`t1` group by `test`.`t1`.`a`
|
|
SELECT SUBSTRING(a,1,10), LENGTH(a), GROUP_CONCAT(b) FROM t1 GROUP BY a;
|
|
SUBSTRING(a,1,10) LENGTH(a) GROUP_CONCAT(b)
|
|
1111111111 1300 one,two
|
|
EXPLAIN
|
|
SELECT SUBSTRING(a,1,10), LENGTH(a) FROM t1 GROUP BY a;
|
|
id 1
|
|
select_type SIMPLE
|
|
table t1
|
|
partitions NULL
|
|
type ALL
|
|
possible_keys NULL
|
|
key NULL
|
|
key_len NULL
|
|
ref NULL
|
|
rows 2
|
|
filtered 100.00
|
|
Extra Using temporary
|
|
Warnings:
|
|
Level Note
|
|
Code 1003
|
|
Message /* select#1 */ select substr(`test`.`t1`.`a`,1,10) AS `SUBSTRING(a,1,10)`,length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` group by `test`.`t1`.`a`
|
|
SELECT SUBSTRING(a,1,10), LENGTH(a) FROM t1 GROUP BY a;
|
|
SUBSTRING(a,1,10) LENGTH(a)
|
|
1111111111 1300
|
|
DROP TABLE t1;
|
|
#
|
|
# Bug#57688 Assertion `!table || (!table->write_set || bitmap_is_set(table->write_set, field
|
|
#
|
|
CREATE TABLE t1(f1 INT NOT NULL);
|
|
INSERT INTO t1 VALUES (16777214),(0);
|
|
SELECT COUNT(*) FROM t1 LEFT JOIN t1 t2
|
|
ON 1 WHERE t2.f1 > 1 GROUP BY t2.f1;
|
|
COUNT(*)
|
|
2
|
|
DROP TABLE t1;
|
|
#
|
|
# Bug#12798270: ASSERTION `!TAB->SORTED' FAILED IN JOIN_READ_KEY2
|
|
#
|
|
CREATE TABLE t1 (i int);
|
|
INSERT INTO t1 VALUES (1);
|
|
CREATE TABLE t2 (pk int PRIMARY KEY);
|
|
INSERT INTO t2 VALUES (10);
|
|
CREATE VIEW v1 AS SELECT t2.pk FROM t2;
|
|
SELECT v1.pk
|
|
FROM t1 LEFT JOIN v1 ON t1.i = v1.pk
|
|
GROUP BY v1.pk;
|
|
pk
|
|
NULL
|
|
DROP VIEW v1;
|
|
DROP TABLE t1,t2;
|
|
# End of Bug#12798270
|
|
#
|
|
# Bug#59839: Aggregation followed by subquery yields wrong result
|
|
#
|
|
CREATE TABLE t1 (
|
|
a INT,
|
|
b INT,
|
|
c INT,
|
|
KEY (a, b)
|
|
);
|
|
INSERT INTO t1 VALUES
|
|
( 1, 1, 1 ),
|
|
( 1, 2, 2 ),
|
|
( 1, 3, 3 ),
|
|
( 1, 4, 6 ),
|
|
( 1, 5, 5 ),
|
|
( 1, 9, 13 ),
|
|
( 2, 1, 6 ),
|
|
( 2, 2, 7 ),
|
|
( 2, 3, 8 );
|
|
ANALYZE TABLE t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
EXPLAIN
|
|
SELECT a, AVG(t1.b),
|
|
(SELECT t11.c FROM t1 t11 WHERE t11.a = t1.a AND t11.b = AVG(t1.b)) AS t11c,
|
|
(SELECT t12.c FROM t1 t12 WHERE t12.a = t1.a AND t12.b = AVG(t1.b)) AS t12c
|
|
FROM t1 GROUP BY a;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 PRIMARY t1 NULL index a a 10 NULL 9 100.00 Using index
|
|
3 DEPENDENT SUBQUERY t12 NULL ref a a 10 func,func 1 100.00 Using where
|
|
2 DEPENDENT SUBQUERY t11 NULL ref a a 10 func,func 1 100.00 Using where
|
|
Warnings:
|
|
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
|
|
Note 1276 Field or reference 'test.t1.b' of SELECT #2 was resolved in SELECT #1
|
|
Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #1
|
|
Note 1276 Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,avg(`test`.`t1`.`b`) AS `AVG(t1.b)`,(/* select#2 */ select `test`.`t11`.`c` from `test`.`t1` `t11` where ((`test`.`t11`.`a` = `test`.`t1`.`a`) and (`test`.`t11`.`b` = avg(`test`.`t1`.`b`)))) AS `t11c`,(/* select#3 */ select `test`.`t12`.`c` from `test`.`t1` `t12` where ((`test`.`t12`.`a` = `test`.`t1`.`a`) and (`test`.`t12`.`b` = avg(`test`.`t1`.`b`)))) AS `t12c` from `test`.`t1` group by `test`.`t1`.`a`
|
|
SELECT a, AVG(t1.b),
|
|
(SELECT t11.c FROM t1 t11 WHERE t11.a = t1.a AND t11.b = AVG(t1.b)) AS t11c,
|
|
(SELECT t12.c FROM t1 t12 WHERE t12.a = t1.a AND t12.b = AVG(t1.b)) AS t12c
|
|
FROM t1 GROUP BY a;
|
|
a AVG(t1.b) t11c t12c
|
|
1 4.0000 6 6
|
|
2 2.0000 7 7
|
|
DROP TABLE t1;
|
|
#
|
|
# Bug#11765254 (58200): Assertion failed: param.sort_length when grouping
|
|
# by functions
|
|
#
|
|
SET BIG_TABLES=1;
|
|
CREATE TABLE t1(a INT);
|
|
INSERT INTO t1 VALUES (0),(0);
|
|
SELECT 1 FROM t1 GROUP BY IF(`a`,'','');
|
|
ERROR 42000: The used storage engine can't index column 'tmp_field_0'
|
|
SELECT 1 FROM t1 GROUP BY TRIM(LEADING RAND() FROM '');
|
|
1
|
|
1
|
|
SELECT 1 FROM t1 GROUP BY SUBSTRING('',SLEEP(0),'');
|
|
1
|
|
1
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect INTEGER value: ''
|
|
Warning 1292 Truncated incorrect INTEGER value: ''
|
|
Warning 1292 Truncated incorrect INTEGER value: ''
|
|
SELECT 1 FROM t1 GROUP BY SUBSTRING(SYSDATE() FROM 'K' FOR 'jxW<');
|
|
1
|
|
1
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect INTEGER value: 'K'
|
|
Warning 1292 Truncated incorrect INTEGER value: 'jxW<'
|
|
Warning 1292 Truncated incorrect INTEGER value: 'K'
|
|
Warning 1292 Truncated incorrect INTEGER value: 'jxW<'
|
|
Warning 1292 Truncated incorrect INTEGER value: 'K'
|
|
Warning 1292 Truncated incorrect INTEGER value: 'jxW<'
|
|
DROP TABLE t1;
|
|
SET BIG_TABLES=0;
|
|
# End of 5.1 tests
|
|
#
|
|
# Bug#49771: Incorrect MIN (date) when minimum value is 0000-00-00
|
|
#
|
|
SET @save_sql_mode=@@sql_mode;
|
|
SET @@sql_mode='ONLY_FULL_GROUP_BY';
|
|
CREATE TABLE t1 (f1 int, f2 DATE);
|
|
INSERT INTO t1 VALUES (1,'2004-04-19'), (1,'0000-00-00'), (1,'2004-04-18'),
|
|
(2,'2004-05-19'), (2,'0001-01-01'), (3,'2004-04-10');
|
|
SELECT MIN(f2),MAX(f2) FROM t1;
|
|
MIN(f2) MAX(f2)
|
|
0000-00-00 2004-05-19
|
|
SELECT f1,MIN(f2),MAX(f2) FROM t1 GROUP BY 1;
|
|
f1 MIN(f2) MAX(f2)
|
|
1 0000-00-00 2004-04-19
|
|
2 0001-01-01 2004-05-19
|
|
3 2004-04-10 2004-04-10
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1 ( f1 int, f2 time);
|
|
INSERT INTO t1 VALUES (1,'01:27:35'), (1,'06:11:01'), (2,'19:53:05'),
|
|
(2,'21:44:25'), (3,'10:55:12'), (3,'05:45:11'), (4,'00:25:00');
|
|
SELECT MIN(f2),MAX(f2) FROM t1;
|
|
MIN(f2) MAX(f2)
|
|
00:25:00 21:44:25
|
|
SELECT f1,MIN(f2),MAX(f2) FROM t1 GROUP BY 1;
|
|
f1 MIN(f2) MAX(f2)
|
|
1 01:27:35 06:11:01
|
|
2 19:53:05 21:44:25
|
|
3 05:45:11 10:55:12
|
|
4 00:25:00 00:25:00
|
|
DROP TABLE t1;
|
|
SET sql_mode=@save_sql_mode;
|
|
#End of test#49771
|
|
#
|
|
# Bug #58782
|
|
# Missing rows with SELECT .. WHERE .. IN subquery
|
|
# with full GROUP BY and no aggr
|
|
#
|
|
CREATE TABLE t1 (
|
|
pk INT NOT NULL,
|
|
col_int_nokey INT,
|
|
PRIMARY KEY (pk)
|
|
);
|
|
INSERT INTO t1 VALUES (10,7);
|
|
INSERT INTO t1 VALUES (11,1);
|
|
INSERT INTO t1 VALUES (12,5);
|
|
INSERT INTO t1 VALUES (13,3);
|
|
SELECT pk AS field1, col_int_nokey AS field2
|
|
FROM t1
|
|
WHERE col_int_nokey > 0
|
|
GROUP BY field1, field2;
|
|
field1 field2
|
|
10 7
|
|
11 1
|
|
12 5
|
|
13 3
|
|
CREATE TABLE where_subselect
|
|
SELECT pk AS field1, col_int_nokey AS field2
|
|
FROM t1
|
|
WHERE col_int_nokey > 0
|
|
GROUP BY field1, field2
|
|
;
|
|
SELECT *
|
|
FROM where_subselect
|
|
WHERE (field1, field2) IN (
|
|
SELECT pk AS field1, col_int_nokey AS field2
|
|
FROM t1
|
|
WHERE col_int_nokey > 0
|
|
GROUP BY field1, field2
|
|
);
|
|
field1 field2
|
|
10 7
|
|
11 1
|
|
12 5
|
|
13 3
|
|
DROP TABLE t1;
|
|
DROP TABLE where_subselect;
|
|
# End of Bug #58782
|
|
#
|
|
# Bug #11766429
|
|
# RE-EXECUTE OF PREPARED STATEMENT CRASHES IN ITEM_REF::FIX_FIELDS WITH
|
|
#
|
|
CREATE TABLE t1(a INT, KEY(a));
|
|
INSERT INTO t1 VALUES (0);
|
|
CREATE TABLE t2(b INT, KEY(b));
|
|
INSERT INTO t2 VALUES (0),(0);
|
|
PREPARE stmt FROM '
|
|
SELECT 1 FROM t2
|
|
LEFT JOIN t1 ON NULL
|
|
GROUP BY t2.b, t1.a
|
|
HAVING a <> 2';
|
|
EXECUTE stmt;
|
|
1
|
|
EXECUTE stmt;
|
|
1
|
|
DEALLOCATE PREPARE stmt;
|
|
DROP TABLE t1, t2;
|
|
# End of Bug #11766429
|
|
#
|
|
# Bug#12699645 SELECT SUM() + STRAIGHT_JOIN QUERY MISSES ROWS
|
|
#
|
|
CREATE TABLE t1 (
|
|
pk INT, col_int_key INT,
|
|
col_varchar_key VARCHAR(1), col_varchar_nokey VARCHAR(1)
|
|
);
|
|
INSERT INTO t1 VALUES
|
|
(10,7,'v','v'),(11,0,'s','s'),(12,9,'l','l'),(13,3,'y','y'),(14,4,'c','c'),
|
|
(15,2,'i','i'),(16,5,'h','h'),(17,3,'q','q'),(18,1,'a','a'),(19,3,'v','v'),
|
|
(20,6,'u','u'),(21,7,'s','s'),(22,5,'y','y'),(23,1,'z','z'),(24,204,'h','h'),
|
|
(25,224,'p','p'),(26,9,'e','e'),(27,5,'i','i'),(28,0,'y','y'),(29,3,'w','w');
|
|
CREATE TABLE t2 (
|
|
pk INT, col_int_key INT,
|
|
col_varchar_key VARCHAR(1), col_varchar_nokey VARCHAR(1),
|
|
PRIMARY KEY (pk)
|
|
);
|
|
INSERT INTO t2 VALUES
|
|
(1,4,'b','b'),(2,8,'y','y'),(3,0,'p','p'),(4,0,'f','f'),(5,0,'p','p'),
|
|
(6,7,'d','d'),(7,7,'f','f'),(8,5,'j','j'),(9,3,'e','e'),(10,188,'u','u'),
|
|
(11,4,'v','v'),(12,9,'u','u'),(13,6,'i','i'),(14,1,'x','x'),(15,5,'l','l'),
|
|
(16,6,'q','q'),(17,2,'n','n'),(18,4,'r','r'),(19,231,'c','c'),(20,4,'h','h'),
|
|
(21,3,'k','k'),(22,3,'t','t'),(23,7,'t','t'),(24,6,'k','k'),(25,7,'g','g'),
|
|
(26,9,'z','z'),(27,4,'n','n'),(28,4,'j','j'),(29,2,'l','l'),(30,1,'d','d'),
|
|
(31,2,'t','t'),(32,194,'y','y'),(33,2,'i','i'),(34,3,'j','j'),(35,8,'r','r'),
|
|
(36,4,'b','b'),(37,9,'o','o'),(38,4,'k','k'),(39,5,'a','a'),(40,5,'f','f'),
|
|
(41,9,'t','t'),(42,3,'c','c'),(43,8,'c','c'),(44,0,'r','r'),(45,98,'k','k'),
|
|
(46,3,'l','l'),(47,1,'o','o'),(48,0,'t','t'),(49,189,'v','v'),(50,8,'x','x'),
|
|
(51,3,'j','j'),(52,3,'x','x'),(53,9,'k','k'),(54,6,'o','o'),(55,8,'z','z'),
|
|
(56,3,'n','n'),(57,9,'c','c'),(58,5,'d','d'),(59,9,'s','s'),(60,2,'j','j'),
|
|
(61,2,'w','w'),(62,5,'f','f'),(63,8,'p','p'),(64,6,'o','o'),(65,9,'f','f'),
|
|
(66,0,'x','x'),(67,3,'q','q'),(68,6,'g','g'),(69,5,'x','x'),(70,8,'p','p'),
|
|
(71,2,'q','q'),(72,120,'q','q'),(73,25,'v','v'),(74,1,'g','g'),(75,3,'l','l'),
|
|
(76,1,'w','w'),(77,3,'h','h'),(78,153,'c','c'),(79,5,'o','o'),(80,9,'o','o'),
|
|
(81,1,'v','v'),(82,8,'y','y'),(83,7,'d','d'),(84,6,'p','p'),(85,2,'z','z'),
|
|
(86,4,'t','t'),(87,7,'b','b'),(88,3,'y','y'),(89,8,'k','k'),(90,4,'c','c'),
|
|
(91,6,'z','z'),(92,1,'t','t'),(93,7,'o','o'),(94,1,'u','u'),(95,0,'t','t'),
|
|
(96,2,'k','k'),(97,7,'u','u'),(98,2,'b','b'),(99,1,'m','m'),(100,5,'o','o');
|
|
ANALYZE TABLE t1,t2;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
test.t2 analyze status OK
|
|
EXPLAIN SELECT SUM(alias2.col_varchar_nokey) , alias2.pk AS field2 FROM t1 AS alias1
|
|
STRAIGHT_JOIN t2 AS alias2 ON alias2.pk = alias1.col_int_key WHERE alias1.pk
|
|
GROUP BY field2 ORDER BY alias1.col_int_key,alias2.pk ;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE alias1 NULL ALL NULL NULL NULL NULL # 90.00 Using where; Using temporary; Using filesort
|
|
1 SIMPLE alias2 NULL eq_ref PRIMARY PRIMARY 4 test.alias1.col_int_key # 100.00 NULL
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select sum(`test`.`alias2`.`col_varchar_nokey`) AS `SUM(alias2.col_varchar_nokey)`,`test`.`alias2`.`pk` AS `field2` from `test`.`t1` `alias1` straight_join `test`.`t2` `alias2` where ((`test`.`alias2`.`pk` = `test`.`alias1`.`col_int_key`) and (0 <> `test`.`alias1`.`pk`)) group by `field2` order by `test`.`alias1`.`col_int_key`
|
|
SELECT SUM(alias2.col_varchar_nokey) , alias2.pk AS field2 FROM t1 AS alias1
|
|
STRAIGHT_JOIN t2 AS alias2 ON alias2.pk = alias1.col_int_key WHERE alias1.pk
|
|
GROUP BY field2 ORDER BY alias1.col_int_key,alias2.pk ;
|
|
SUM(alias2.col_varchar_nokey) field2
|
|
0 1
|
|
0 2
|
|
0 3
|
|
0 4
|
|
0 5
|
|
0 6
|
|
0 7
|
|
0 9
|
|
Warnings:
|
|
Warning 1292 Truncated incorrect DOUBLE value: 'f'
|
|
Warning 1292 Truncated incorrect DOUBLE value: 'e'
|
|
Warning 1292 Truncated incorrect DOUBLE value: 'p'
|
|
Warning 1292 Truncated incorrect DOUBLE value: 'f'
|
|
Warning 1292 Truncated incorrect DOUBLE value: 'y'
|
|
Warning 1292 Truncated incorrect DOUBLE value: 'p'
|
|
Warning 1292 Truncated incorrect DOUBLE value: 'p'
|
|
Warning 1292 Truncated incorrect DOUBLE value: 'b'
|
|
Warning 1292 Truncated incorrect DOUBLE value: 'p'
|
|
Warning 1292 Truncated incorrect DOUBLE value: 'd'
|
|
Warning 1292 Truncated incorrect DOUBLE value: 'f'
|
|
Warning 1292 Truncated incorrect DOUBLE value: 'p'
|
|
Warning 1292 Truncated incorrect DOUBLE value: 'b'
|
|
Warning 1292 Truncated incorrect DOUBLE value: 'e'
|
|
Warning 1292 Truncated incorrect DOUBLE value: 'p'
|
|
Warning 1292 Truncated incorrect DOUBLE value: 'p'
|
|
DROP TABLE t1,t2;
|
|
#
|
|
# Bug#12798270: ASSERTION `!TAB->SORTED' FAILED IN JOIN_READ_KEY2
|
|
#
|
|
CREATE TABLE t1 (i int);
|
|
INSERT INTO t1 VALUES (1);
|
|
CREATE TABLE t2 (pk int PRIMARY KEY);
|
|
INSERT INTO t2 VALUES (10);
|
|
CREATE VIEW v1 AS SELECT t2.pk FROM t2;
|
|
SELECT v1.pk
|
|
FROM t1 LEFT JOIN v1 ON t1.i = v1.pk
|
|
GROUP BY v1.pk;
|
|
pk
|
|
NULL
|
|
DROP VIEW v1;
|
|
DROP TABLE t1,t2;
|
|
# End of Bug#12798270
|
|
#
|
|
# Bug#12837714: ADDITIONAL NULL IN 5.6 ON GROUPED SELECT
|
|
#
|
|
CREATE TABLE t1 (vc varchar(1), INDEX vc_idx (vc)) ;
|
|
INSERT INTO t1 VALUES (NULL), ('o'), (NULL), ('p'), ('c');
|
|
FLUSH TABLE t1;
|
|
SELECT vc FROM t1 GROUP BY vc;
|
|
vc
|
|
NULL
|
|
c
|
|
o
|
|
p
|
|
DROP TABLE t1;
|
|
# End of Bug#12837714
|
|
#
|
|
# Bug#12578908: SELECT SQL_BUFFER_RESULT OUTPUTS TOO MANY
|
|
# ROWS WHEN GROUP IS OPTIMIZED AWAY
|
|
#
|
|
CREATE TABLE t1 (col1 int, col2 int) ;
|
|
INSERT INTO t1 VALUES (10,1),(11,7);
|
|
CREATE TABLE t2 (col1 int, col2 int) ;
|
|
INSERT INTO t2 VALUES (10,8);
|
|
ANALYZE TABLE t1,t2;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
test.t2 analyze status OK
|
|
|
|
EXPLAIN SELECT SQL_BUFFER_RESULT t2.col2 FROM t2 JOIN t1 ON t1.col1 GROUP BY t2.col2;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t2 NULL ALL NULL NULL NULL NULL 1 100.00 Using temporary
|
|
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 2 50.00 Using where; Using join buffer (Block Nested Loop)
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select sql_buffer_result `test`.`t2`.`col2` AS `col2` from `test`.`t2` join `test`.`t1` where (0 <> `test`.`t1`.`col1`) group by `test`.`t2`.`col2`
|
|
SELECT SQL_BUFFER_RESULT t2.col2 FROM t2 JOIN t1 ON t1.col1 GROUP BY t2.col2;
|
|
col2
|
|
8
|
|
|
|
EXPLAIN SELECT t2.col2 FROM t2 JOIN t1 ON t1.col1 GROUP BY t2.col2;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t2 NULL ALL NULL NULL NULL NULL 1 100.00 Using temporary
|
|
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 2 50.00 Using where; Using join buffer (Block Nested Loop)
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t2`.`col2` AS `col2` from `test`.`t2` join `test`.`t1` where (0 <> `test`.`t1`.`col1`) group by `test`.`t2`.`col2`
|
|
SELECT t2.col2 FROM t2 JOIN t1 ON t1.col1 GROUP BY t2.col2;
|
|
col2
|
|
8
|
|
|
|
DROP TABLE t1,t2;
|
|
#
|
|
# Bug#11761078: 53534: INCORRECT 'SELECT SQL_BIG_RESULT...'
|
|
# WITH GROUP BY ON DUPLICATED FIELDS
|
|
#
|
|
CREATE TABLE t1(
|
|
col1 int,
|
|
INDEX idx (col1)
|
|
);
|
|
INSERT INTO t1 VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),
|
|
(11),(12),(13),(14),(15),(16),(17),(18),(19),(20);
|
|
ANALYZE TABLE t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
EXPLAIN SELECT SQL_BIG_RESULT col1 AS field1, col1 AS field2
|
|
FROM t1 GROUP BY field1, field2;;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index idx idx 5 NULL 20 100.00 Using index; Using filesort
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select sql_big_result `test`.`t1`.`col1` AS `field1`,`test`.`t1`.`col1` AS `field2` from `test`.`t1` group by `field1`
|
|
FLUSH STATUS;
|
|
SELECT SQL_BIG_RESULT col1 AS field1, col1 AS field2
|
|
FROM t1 GROUP BY field1, field2;;
|
|
field1 field2
|
|
1 1
|
|
2 2
|
|
3 3
|
|
4 4
|
|
5 5
|
|
6 6
|
|
7 7
|
|
8 8
|
|
9 9
|
|
10 10
|
|
11 11
|
|
12 12
|
|
13 13
|
|
14 14
|
|
15 15
|
|
16 16
|
|
17 17
|
|
18 18
|
|
19 19
|
|
20 20
|
|
SHOW SESSION STATUS LIKE 'Sort_scan%';
|
|
Variable_name Value
|
|
Sort_scan 1
|
|
CREATE VIEW v1 AS SELECT * FROM t1;
|
|
SELECT SQL_BIG_RESULT col1 AS field1, col1 AS field2
|
|
FROM v1
|
|
GROUP BY field1, field2;
|
|
field1 field2
|
|
1 1
|
|
2 2
|
|
3 3
|
|
4 4
|
|
5 5
|
|
6 6
|
|
7 7
|
|
8 8
|
|
9 9
|
|
10 10
|
|
11 11
|
|
12 12
|
|
13 13
|
|
14 14
|
|
15 15
|
|
16 16
|
|
17 17
|
|
18 18
|
|
19 19
|
|
20 20
|
|
SELECT SQL_BIG_RESULT tbl1.col1 AS field1, tbl2.col1 AS field2
|
|
FROM t1 as tbl1, t1 as tbl2
|
|
GROUP BY field1, field2
|
|
ORDER BY field1, field2
|
|
LIMIT 3;
|
|
field1 field2
|
|
1 1
|
|
1 2
|
|
1 3
|
|
DROP VIEW v1;
|
|
DROP TABLE t1;
|
|
#
|
|
# Bug#13422961: WRONG RESULTS FROM SELECT WITH AGGREGATES AND
|
|
# IMPLICIT GROUPING + MYISAM OR MEM
|
|
#
|
|
CREATE TABLE it (
|
|
pk INT NOT NULL,
|
|
col_int_nokey INT NOT NULL,
|
|
PRIMARY KEY (pk)
|
|
) ENGINE=MyISAM;
|
|
CREATE TABLE ot (
|
|
pk int(11) NOT NULL,
|
|
col_int_nokey int(11) NOT NULL,
|
|
PRIMARY KEY (pk)
|
|
) ENGINE=MyISAM;
|
|
Warnings:
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
INSERT INTO ot VALUES (10,8);
|
|
|
|
SELECT col_int_nokey, MAX( pk )
|
|
FROM ot
|
|
WHERE (8, 1) IN ( SELECT pk, COUNT( col_int_nokey ) FROM it );
|
|
col_int_nokey MAX( pk )
|
|
NULL NULL
|
|
|
|
DROP TABLE it,ot;
|
|
#
|
|
# Bug#13430588: WRONG RESULT FROM IMPLICITLY GROUPED QUERY WITH
|
|
# CONST TABLE AND NO MATCHING ROWS
|
|
#
|
|
CREATE TABLE t1 (i INT) ENGINE=MyISAM;
|
|
INSERT INTO t1 VALUES (1);
|
|
CREATE TABLE t2 (j INT) ENGINE=MyISAM;
|
|
INSERT INTO t2 VALUES (1),(2);
|
|
|
|
SELECT i, j, COUNT(i) FROM t1 JOIN t2 WHERE j=3;
|
|
i j COUNT(i)
|
|
NULL NULL 0
|
|
|
|
DROP TABLE t1,t2;
|
|
#
|
|
# BUG#13541761: WRONG RESULTS ON CORRELATED SUBQUERY +
|
|
# AGGREGATE FUNCTION + MYISAM OR MEMORY
|
|
#
|
|
CREATE TABLE t1 (
|
|
a varchar(1)
|
|
) ENGINE=MyISAM;
|
|
INSERT INTO t1 VALUES ('a'), ('b');
|
|
CREATE TABLE t2 (
|
|
a varchar(1),
|
|
b int(11)
|
|
) ENGINE=MyISAM;
|
|
Warnings:
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
INSERT INTO t2 VALUES ('a',1);
|
|
ANALYZE TABLE t1,t2;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
test.t2 analyze status OK
|
|
|
|
EXPLAIN SELECT (SELECT MAX(b) FROM t2 WHERE t2.a != t1.a) as MAX
|
|
FROM t1;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 PRIMARY t1 NULL ALL NULL NULL NULL NULL 2 100.00 NULL
|
|
2 DEPENDENT SUBQUERY t2 NULL system NULL NULL NULL NULL 1 100.00 NULL
|
|
Warnings:
|
|
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
|
|
Note 1003 /* select#1 */ select (/* select#2 */ select max('1') from dual where ('a' <> `test`.`t1`.`a`)) AS `MAX` from `test`.`t1`
|
|
SELECT (SELECT MAX(b) FROM t2 WHERE t2.a != t1.a) as MAX
|
|
FROM t1;
|
|
MAX
|
|
NULL
|
|
1
|
|
DROP TABLE t1,t2;
|
|
# Bug 11923239 - ERROR WITH CORRELATED SUBQUERY IN VIEW WITH
|
|
# ONLY_FULL_GROUP_BY SQL MODE
|
|
SET @old_sql_mode = @@sql_mode;
|
|
SET sql_mode='';
|
|
CREATE TABLE t1 (
|
|
pk INT,
|
|
col_int_key INT,
|
|
col_int_nokey INT,
|
|
col_varchar_key VARCHAR(10),
|
|
col_varchar_nokey VARCHAR(10),
|
|
KEY col_int_key (col_int_key),
|
|
KEY col_varchar_key (col_varchar_key)
|
|
);
|
|
INSERT INTO t1 VALUES (), ();
|
|
ANALYZE TABLE t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
# In GROUP BY, aliases are printed as aliases.
|
|
EXPLAIN SELECT alias1.col_int_nokey AS field1,
|
|
(SELECT alias2.col_int_key
|
|
FROM t1 AS alias2
|
|
WHERE alias1.col_varchar_key <= alias1.col_varchar_nokey
|
|
) AS field2
|
|
FROM t1 AS alias1
|
|
GROUP BY field1, field2;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 PRIMARY alias1 NULL ALL NULL NULL NULL NULL 2 100.00 Using temporary
|
|
2 DEPENDENT SUBQUERY alias2 NULL index NULL col_int_key 5 NULL 2 100.00 Using where; Using index
|
|
Warnings:
|
|
Note 1276 Field or reference 'test.alias1.col_varchar_key' of SELECT #2 was resolved in SELECT #1
|
|
Note 1276 Field or reference 'test.alias1.col_varchar_nokey' of SELECT #2 was resolved in SELECT #1
|
|
Note 1003 /* select#1 */ select `test`.`alias1`.`col_int_nokey` AS `field1`,(/* select#2 */ select `test`.`alias2`.`col_int_key` from `test`.`t1` `alias2` where (`test`.`alias1`.`col_varchar_key` <= `test`.`alias1`.`col_varchar_nokey`)) AS `field2` from `test`.`t1` `alias1` group by `field1`,`field2`
|
|
# In GROUP BY, expressions are printed as expressions.
|
|
EXPLAIN SELECT alias1.col_int_nokey AS field1,
|
|
(SELECT alias2.col_int_key
|
|
FROM t1 AS alias2
|
|
WHERE alias1.col_varchar_key <= alias1.col_varchar_nokey
|
|
) AS field2
|
|
FROM t1 AS alias1
|
|
GROUP BY field1,
|
|
(SELECT alias2.col_int_key
|
|
FROM t1 AS alias2
|
|
WHERE alias1.col_varchar_key <= alias1.col_varchar_nokey
|
|
);
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 PRIMARY alias1 NULL ALL NULL NULL NULL NULL 2 100.00 Using temporary
|
|
3 DEPENDENT SUBQUERY alias2 NULL index NULL col_int_key 5 NULL 2 100.00 Using where; Using index
|
|
2 DEPENDENT SUBQUERY alias2 NULL index NULL col_int_key 5 NULL 2 100.00 Using where; Using index
|
|
Warnings:
|
|
Note 1276 Field or reference 'test.alias1.col_varchar_key' of SELECT #2 was resolved in SELECT #1
|
|
Note 1276 Field or reference 'test.alias1.col_varchar_nokey' of SELECT #2 was resolved in SELECT #1
|
|
Note 1276 Field or reference 'test.alias1.col_varchar_key' of SELECT #3 was resolved in SELECT #1
|
|
Note 1276 Field or reference 'test.alias1.col_varchar_nokey' of SELECT #3 was resolved in SELECT #1
|
|
Note 1003 /* select#1 */ select `test`.`alias1`.`col_int_nokey` AS `field1`,(/* select#2 */ select `test`.`alias2`.`col_int_key` from `test`.`t1` `alias2` where (`test`.`alias1`.`col_varchar_key` <= `test`.`alias1`.`col_varchar_nokey`)) AS `field2` from `test`.`t1` `alias1` group by `field1`,(/* select#3 */ select `test`.`alias2`.`col_int_key` from `test`.`t1` `alias2` where (`test`.`alias1`.`col_varchar_key` <= `test`.`alias1`.`col_varchar_nokey`))
|
|
# Aliased expression in GROUP BY in a view.
|
|
CREATE VIEW v1 AS SELECT alias1.col_int_nokey AS field1,
|
|
(SELECT alias2.col_int_key
|
|
FROM t1 AS alias2
|
|
WHERE alias1.col_varchar_key <= alias1.col_varchar_nokey
|
|
) AS field2
|
|
FROM t1 AS alias1
|
|
GROUP BY field1, field2;
|
|
# In GROUP BY, aliases are printed as aliases.
|
|
SHOW CREATE VIEW v1;
|
|
View Create View character_set_client collation_connection
|
|
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `alias1`.`col_int_nokey` AS `field1`,(select `alias2`.`col_int_key` from `t1` `alias2` where (`alias1`.`col_varchar_key` <= `alias1`.`col_varchar_nokey`)) AS `field2` from `t1` `alias1` group by `field1`,`field2` utf8mb4 utf8mb4_0900_ai_ci
|
|
SET @@sql_mode='ONLY_FULL_GROUP_BY';
|
|
SELECT alias1.col_int_nokey AS field1,
|
|
(SELECT alias2.col_int_key
|
|
FROM t1 AS alias2
|
|
WHERE alias1.col_varchar_key <= alias1.col_varchar_nokey
|
|
) AS field2
|
|
FROM t1 AS alias1
|
|
GROUP BY field1, field2;
|
|
field1 field2
|
|
NULL NULL
|
|
# The SELECT above has been accepted, and v1 was created
|
|
# using the same SELECT as above, so SELECTing from v1
|
|
# should be accepted.
|
|
SELECT * FROM v1;
|
|
field1 field2
|
|
NULL NULL
|
|
# Here is why in GROUP BY we print aliases of subqueries as
|
|
# aliases: below, "GROUP BY (subquery)" confuses
|
|
# ONLY_FULL_GROUP_BY, it causes an error though the subquery of
|
|
# GROUP BY and of SELECT list are the same. Fixing this would
|
|
# require implementing Item_subselect::eq(). It's not worth
|
|
# the effort because:
|
|
# a) GROUP BY (subquery) is non-SQL-standard so is likely of
|
|
# very little interest to users of ONLY_FULL_GROUP_BY
|
|
# b) as the user uses ONLY_FULL_GROUP_BY, he wants to have the
|
|
# same subquery in GROUP BY and SELECT list, so can give the
|
|
# subquery an alias in the SELECT list and use this alias in
|
|
# GROUP BY, thus avoiding the problem.
|
|
SELECT alias1.col_int_nokey AS field1,
|
|
(SELECT alias2.col_int_key
|
|
FROM t1 AS alias2
|
|
WHERE alias1.col_varchar_key <= alias1.col_varchar_nokey
|
|
) AS field2
|
|
FROM t1 AS alias1
|
|
GROUP BY field1,
|
|
(SELECT alias2.col_int_key
|
|
FROM t1 AS alias2
|
|
WHERE alias1.col_varchar_key <= alias1.col_varchar_nokey
|
|
);
|
|
ERROR 42000: Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'test.alias1.col_varchar_key' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
|
|
DROP VIEW v1;
|
|
SET @@sql_mode = @old_sql_mode;
|
|
# Verify that if an alias is used in GROUP BY/ORDER BY it
|
|
# is printed as an alias, not as the expression.
|
|
CREATE TABLE t2(a INT);
|
|
INSERT INTO t2 VALUES(3),(4);
|
|
ANALYZE TABLE t1,t2;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
test.t2 analyze status OK
|
|
EXPLAIN SELECT
|
|
pk AS foo, col_int_key AS bar, (SELECT a FROM t2 WHERE a=t1.pk) AS baz
|
|
FROM t1
|
|
GROUP BY foo, col_int_key, baz ORDER BY pk, bar, (SELECT a FROM t2 WHERE a=t1.pk);
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 PRIMARY t1 NULL ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
|
|
3 DEPENDENT SUBQUERY t2 NULL ALL NULL NULL NULL NULL 2 50.00 Using where
|
|
2 DEPENDENT SUBQUERY t2 NULL ALL NULL NULL NULL NULL 2 50.00 Using where
|
|
Warnings:
|
|
Note 1276 Field or reference 'test.t1.pk' of SELECT #2 was resolved in SELECT #1
|
|
Note 1276 Field or reference 'test.t1.pk' of SELECT #3 was resolved in SELECT #1
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`pk` AS `foo`,`test`.`t1`.`col_int_key` AS `bar`,(/* select#2 */ select `test`.`t2`.`a` from `test`.`t2` where (`test`.`t2`.`a` = `test`.`t1`.`pk`)) AS `baz` from `test`.`t1` group by `foo`,`test`.`t1`.`col_int_key`,`baz` order by `test`.`t1`.`pk`,`bar`,(/* select#3 */ select `test`.`t2`.`a` from `test`.`t2` where (`test`.`t2`.`a` = `test`.`t1`.`pk`))
|
|
EXPLAIN SELECT
|
|
pk AS foo, col_int_key AS foo, (SELECT a FROM t2 WHERE a=t1.pk) AS foo
|
|
FROM t1
|
|
GROUP BY pk, col_int_key, (SELECT a FROM t2 WHERE a=t1.pk)
|
|
ORDER BY pk, col_int_key, (SELECT a FROM t2 WHERE a=t1.pk);
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 PRIMARY t1 NULL ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
|
|
4 DEPENDENT SUBQUERY t2 NULL ALL NULL NULL NULL NULL 2 50.00 Using where
|
|
3 DEPENDENT SUBQUERY t2 NULL ALL NULL NULL NULL NULL 2 50.00 Using where
|
|
2 DEPENDENT SUBQUERY t2 NULL ALL NULL NULL NULL NULL 2 50.00 Using where
|
|
Warnings:
|
|
Note 1276 Field or reference 'test.t1.pk' of SELECT #2 was resolved in SELECT #1
|
|
Note 1276 Field or reference 'test.t1.pk' of SELECT #3 was resolved in SELECT #1
|
|
Note 1276 Field or reference 'test.t1.pk' of SELECT #4 was resolved in SELECT #1
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`pk` AS `foo`,`test`.`t1`.`col_int_key` AS `foo`,(/* select#2 */ select `test`.`t2`.`a` from `test`.`t2` where (`test`.`t2`.`a` = `test`.`t1`.`pk`)) AS `foo` from `test`.`t1` group by `test`.`t1`.`pk`,`test`.`t1`.`col_int_key`,(/* select#3 */ select `test`.`t2`.`a` from `test`.`t2` where (`test`.`t2`.`a` = `test`.`t1`.`pk`)) order by `test`.`t1`.`pk`,`test`.`t1`.`col_int_key`,(/* select#4 */ select `test`.`t2`.`a` from `test`.`t2` where (`test`.`t2`.`a` = `test`.`t1`.`pk`))
|
|
DROP TABLE t1,t2;
|
|
#
|
|
# Bug#13591138 - ASSERTION NAME && !IS_AUTOGENERATED_NAME IN
|
|
# ITEM::PRINT_FOR_ORDER ON EXPLAIN EXT
|
|
#
|
|
CREATE TABLE t1 (
|
|
pk int(11) NOT NULL AUTO_INCREMENT,
|
|
col_datetime_key datetime NOT NULL,
|
|
col_varchar_key varchar(1) NOT NULL,
|
|
PRIMARY KEY (pk),
|
|
KEY col_datetime_key (col_datetime_key),
|
|
KEY col_varchar_key (col_varchar_key)
|
|
);
|
|
Warnings:
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
CREATE TABLE t2 (
|
|
pk int(11) NOT NULL AUTO_INCREMENT,
|
|
PRIMARY KEY (pk)
|
|
);
|
|
Warnings:
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
CREATE TABLE t3 (
|
|
pk int(11) NOT NULL AUTO_INCREMENT,
|
|
col_varchar_key varchar(1) NOT NULL,
|
|
PRIMARY KEY (pk),
|
|
KEY col_varchar_key (col_varchar_key)
|
|
);
|
|
Warnings:
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
CREATE VIEW view1 AS SELECT * FROM t1;
|
|
ANALYZE TABLE t1,t2,t3;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
test.t2 analyze status OK
|
|
test.t3 analyze status OK
|
|
EXPLAIN
|
|
SELECT
|
|
alias1.col_datetime_key AS field1
|
|
FROM (
|
|
view1 AS alias1,
|
|
t3 AS alias2
|
|
)
|
|
WHERE (
|
|
(SELECT MIN(sq1_alias1.pk)
|
|
FROM t2 AS sq1_alias1
|
|
)
|
|
) OR (alias1.col_varchar_key = alias2.col_varchar_key
|
|
AND alias1.col_varchar_key = 'j'
|
|
) AND alias1.pk IS NULL
|
|
GROUP BY
|
|
field1;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
|
|
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL NULL No matching min/max row
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`col_datetime_key` AS `field1` from `test`.`t1` join `test`.`t3` `alias2` where false group by `field1`
|
|
DROP TABLE t1,t2,t3;
|
|
DROP VIEW view1;
|
|
CREATE TABLE t1 (
|
|
col_int_key int(11) DEFAULT NULL,
|
|
col_varchar_key varchar(1) DEFAULT NULL,
|
|
col_varchar_nokey varchar(1) DEFAULT NULL,
|
|
KEY col_int_key (col_int_key),
|
|
KEY col_varchar_key (col_varchar_key,col_int_key)
|
|
);
|
|
Warnings:
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
CREATE TABLE t2 (
|
|
col_int_key int(11) DEFAULT NULL,
|
|
col_varchar_key varchar(1) DEFAULT NULL,
|
|
col_varchar_nokey varchar(1) DEFAULT NULL,
|
|
KEY col_int_key (col_int_key),
|
|
KEY col_varchar_key (col_varchar_key,col_int_key)
|
|
);
|
|
Warnings:
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
CREATE ALGORITHM=MERGE VIEW view1 AS
|
|
SELECT CONCAT( table1.col_varchar_nokey , table2.col_varchar_key ) AS
|
|
field1
|
|
FROM
|
|
t2 AS table1 JOIN t1 AS table2
|
|
ON table2.col_varchar_nokey = table1.col_varchar_key
|
|
AND
|
|
table2.col_varchar_key >= table1.col_varchar_nokey
|
|
ORDER BY field1
|
|
;
|
|
ANALYZE TABLE t1,t2;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
test.t2 analyze status OK
|
|
EXPLAIN SELECT * FROM view1;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE table1 NULL ALL col_varchar_key NULL NULL NULL 1 100.00 Using temporary; Using filesort
|
|
1 SIMPLE table2 NULL ALL col_varchar_key NULL NULL NULL 1 100.00 Range checked for each record (index map: 0x2)
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select concat(`test`.`table1`.`col_varchar_nokey`,`test`.`table2`.`col_varchar_key`) AS `field1` from `test`.`t2` `table1` join `test`.`t1` `table2` where ((`test`.`table2`.`col_varchar_nokey` = `test`.`table1`.`col_varchar_key`) and (`test`.`table2`.`col_varchar_key` >= `test`.`table1`.`col_varchar_nokey`)) order by concat(`test`.`table1`.`col_varchar_nokey`,`test`.`table2`.`col_varchar_key`)
|
|
DROP TABLE t1,t2;
|
|
DROP VIEW view1;
|
|
CREATE TABLE t1 (col_varchar_nokey varchar(1) DEFAULT NULL);
|
|
INSERT INTO t1 VALUES ('v'),('c');
|
|
ANALYZE TABLE t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
EXPLAIN SELECT (SELECT 150) AS field5
|
|
FROM (SELECT * FROM t1) AS alias1
|
|
GROUP BY field5;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 2 100.00 NULL
|
|
Warnings:
|
|
Note 1249 Select 2 was reduced during optimization
|
|
Note 1003 /* select#1 */ select 150 AS `field5` from `test`.`t1` group by `field5`
|
|
DROP TABLE t1;
|
|
#
|
|
# BUG#12626418 "only_full_group_by wrongly allows column in order by"
|
|
#
|
|
SET @old_sql_mode = @@sql_mode;
|
|
SET @@sql_mode='ONLY_FULL_GROUP_BY';
|
|
create table t1(a int, b int);
|
|
select a from t1 group by b;
|
|
ERROR 42000: Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'test.t1.a' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
|
|
select 1 from t1 group by b;
|
|
1
|
|
select 1 from t1 group by b order by a;
|
|
ERROR 42000: Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'test.t1.a' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
|
|
select a from t1 group by b order by b;
|
|
ERROR 42000: Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'test.t1.a' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
|
|
drop table t1;
|
|
CREATE TABLE t1 (pk int, i1 int, v1 varchar(1), primary key (pk));
|
|
INSERT INTO t1 VALUES (0,2,'b'),(1,4,'a'),(2,0,'a'),(3,7,'b'),(4,7,'c');
|
|
SELECT a1.v1,a2.v1 FROM t1 AS a1 JOIN t1 AS a2 ON a2.pk = a1.i1 group by
|
|
a1.v1,a2.v1 ORDER BY a1.i1,a2.pk,a2.v1 ASC;
|
|
ERROR 42000: Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'test.a1.i1' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
|
|
SELECT a1.v1,a2.v1 FROM t1 AS a1 JOIN t1 AS a2 ON a2.pk = a1.i1 group by
|
|
a1.v1,a2.v1 ORDER BY a2.v1 ASC;
|
|
v1 v1
|
|
b a
|
|
a b
|
|
a c
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1 (pk int(11) NOT NULL AUTO_INCREMENT, col_int_key int(11) NOT
|
|
NULL, col_varchar_key varchar(1) NOT NULL, col_varchar_nokey varchar(1) NOT
|
|
NULL, PRIMARY KEY (pk), KEY col_int_key (col_int_key), KEY col_varchar_key
|
|
(col_varchar_key,col_int_key));
|
|
Warnings:
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
CREATE TABLE t2 (pk int(11) NOT NULL AUTO_INCREMENT, col_int_key int(11) NOT
|
|
NULL, col_varchar_key varchar(1) NOT NULL, col_varchar_nokey varchar(1) NOT
|
|
NULL, PRIMARY KEY (pk), KEY col_int_key (col_int_key), KEY col_varchar_key
|
|
(col_varchar_key,col_int_key));
|
|
Warnings:
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
SELECT SUM(alias2.col_varchar_nokey) , alias2.pk AS field2 FROM t1 AS alias1
|
|
STRAIGHT_JOIN t2 AS alias2 ON alias2.pk = alias1.col_int_key WHERE alias1.pk
|
|
group by field2 ORDER BY alias1.col_int_key,alias2.pk ;
|
|
SUM(alias2.col_varchar_nokey) field2
|
|
DROP TABLE t1,t2;
|
|
CREATE TABLE t1 (pk int(11) NOT NULL AUTO_INCREMENT, col_int_key int(11) NOT
|
|
NULL, col_datetime_key datetime NOT NULL, col_varchar_key varchar(1) NOT
|
|
NULL, col_varchar_nokey varchar(1) NOT NULL, PRIMARY KEY (pk), KEY
|
|
col_int_key (col_int_key), KEY col_datetime_key (col_datetime_key), KEY
|
|
col_varchar_key (col_varchar_key,col_int_key));
|
|
Warnings:
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
CREATE TABLE t2 (pk int(11) NOT NULL AUTO_INCREMENT, col_int_key int(11) NOT
|
|
NULL, col_datetime_key datetime NOT NULL, col_varchar_key varchar(1) NOT
|
|
NULL, col_varchar_nokey varchar(1) NOT NULL, PRIMARY KEY (pk), KEY
|
|
col_int_key (col_int_key), KEY col_datetime_key (col_datetime_key), KEY
|
|
col_varchar_key (col_varchar_key,col_int_key));
|
|
Warnings:
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
Warning 1681 Integer display width is deprecated and will be removed in a future release.
|
|
SELECT alias2.col_varchar_key AS field1 ,
|
|
COUNT(DISTINCT alias1.col_varchar_nokey), alias2.pk AS field4
|
|
FROM t1 AS alias1
|
|
RIGHT JOIN t2 AS alias2 ON alias2.pk = alias1.col_int_key
|
|
GROUP BY field1 , field4
|
|
ORDER BY alias1.col_datetime_key ;
|
|
ERROR 42000: Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'test.alias1.col_datetime_key' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
|
|
DROP TABLE t1,t2;
|
|
create table t1 (a int, b int);
|
|
select count(*) > 3 from t1 group by a order by b;
|
|
ERROR 42000: Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'test.t1.b' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
|
|
create table t2 (a int, b int);
|
|
select a from t2 group by a
|
|
order by (select a from t1 order by t2.b limit 1);
|
|
ERROR 42000: Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'test.t2.b' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
|
|
SET @@sql_mode = @old_sql_mode;
|
|
DROP TABLE t1,t2;
|
|
create table t1 (branch varchar(40), id int);
|
|
select count(*) from t1 group by branch having
|
|
branch<>'mumbai' order by id desc,branch desc limit 100;
|
|
count(*)
|
|
select branch, count(*)/max(id) from t1 group by branch
|
|
having (branch<>'mumbai' OR count(*)<2)
|
|
order by id desc,branch desc limit 100;
|
|
branch count(*)/max(id)
|
|
SET @@sql_mode='ONLY_FULL_GROUP_BY';
|
|
select count(*) from t1 group by branch having
|
|
branch<>'mumbai' order by id desc,branch desc limit 100;
|
|
ERROR 42000: Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'test.t1.id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
|
|
select branch, count(*)/max(id) from t1 group by branch
|
|
having (branch<>'mumbai' OR count(*)<2)
|
|
order by id desc,branch desc limit 100;
|
|
ERROR 42000: Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'test.t1.id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
|
|
DROP TABLE t1;
|
|
create table t1 (a int, b int);
|
|
insert into t1 values (1, 2), (1, 3), (null, null);
|
|
select sum(a), count(*) from t1 group by a;
|
|
sum(a) count(*)
|
|
2 2
|
|
NULL 1
|
|
select round(sum(a)), count(*) from t1 group by a;
|
|
round(sum(a)) count(*)
|
|
2 2
|
|
NULL 1
|
|
select ifnull(a, 'xyz') from t1 group by a;
|
|
ifnull(a, 'xyz')
|
|
1
|
|
xyz
|
|
DROP TABLE t1;
|
|
SET @@sql_mode = @old_sql_mode;
|
|
#
|
|
# BUG#12640437: USING SQL_BUFFER_RESULT RESULTS IN A
|
|
# DIFFERENT QUERY OUTPUT
|
|
#
|
|
CREATE TABLE t1 (
|
|
a int,
|
|
b varchar(1),
|
|
KEY (b,a)
|
|
) charset utf8mb4;
|
|
INSERT INTO t1 VALUES (1,NULL),(0,'a'),(1,NULL),(0,'a');
|
|
INSERT INTO t1 VALUES (1,'a'),(0,'a'),(1,'a'),(0,'a');
|
|
ANALYZE TABLE t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
|
|
EXPLAIN SELECT SQL_BUFFER_RESULT MIN(a), b FROM t1 WHERE t1.b = 'a' GROUP BY b;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL range b b 12 NULL 2 100.00 Using where; Using index for group-by; Using temporary
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select sql_buffer_result min(`test`.`t1`.`a`) AS `MIN(a)`,`test`.`t1`.`b` AS `b` from `test`.`t1` where (`test`.`t1`.`b` = 'a') group by `test`.`t1`.`b`
|
|
|
|
SELECT SQL_BUFFER_RESULT MIN(a), b FROM t1 WHERE t1.b = 'a' GROUP BY b;
|
|
MIN(a) b
|
|
0 a
|
|
|
|
EXPLAIN SELECT MIN(a), b FROM t1 WHERE t1.b = 'a' GROUP BY b;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL range b b 12 NULL 2 100.00 Using where; Using index for group-by
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select min(`test`.`t1`.`a`) AS `MIN(a)`,`test`.`t1`.`b` AS `b` from `test`.`t1` where (`test`.`t1`.`b` = 'a') group by `test`.`t1`.`b`
|
|
|
|
SELECT MIN(a), b FROM t1 WHERE t1.b = 'a' GROUP BY b;
|
|
MIN(a) b
|
|
0 a
|
|
|
|
DROP TABLE t1;
|
|
#
|
|
# Bug #12888306 MISSING ROWS FOR SELECT >ALL (SUBQUERY WITHOUT ROWS)
|
|
#
|
|
CREATE TABLE t1(a INT);
|
|
INSERT INTO t1 VALUES (0);
|
|
SELECT 1 FROM t1 WHERE 1 > ALL(SELECT 1 FROM t1 WHERE a);
|
|
1
|
|
1
|
|
DROP TABLE t1;
|
|
#
|
|
# Bug#18035906: TEST_IF_SKIP_SORT_ORDER INCORRECTLY CHOSES NON-COVERING
|
|
# INDEX FOR ORDERING
|
|
#
|
|
CREATE TABLE t1 (
|
|
i INT PRIMARY KEY AUTO_INCREMENT,
|
|
kp1 INT,
|
|
kp2 INT,
|
|
INDEX idx_noncov(kp1),
|
|
INDEX idx_cov(kp1,kp2)
|
|
) ENGINE=InnoDB;
|
|
INSERT INTO t1 VALUES (NULL, 1, 1);
|
|
INSERT INTO t1 SELECT NULL, kp1, kp2+1 from t1;
|
|
INSERT INTO t1 SELECT NULL, kp1, kp2+2 from t1;
|
|
INSERT INTO t1 SELECT NULL, kp1, kp2+4 from t1;
|
|
INSERT INTO t1 SELECT NULL, kp1, kp2 from t1;
|
|
ANALYZE TABLE t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
EXPLAIN SELECT kp1, SUM(kp2) FROM t1 GROUP BY kp1;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index idx_noncov,idx_cov idx_cov 10 NULL 16 100.00 Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`kp1` AS `kp1`,sum(`test`.`t1`.`kp2`) AS `SUM(kp2)` from `test`.`t1` group by `test`.`t1`.`kp1`
|
|
DROP TABLE t1;
|
|
# Bug#72512/18694751: Non-aggregated query with set function in
|
|
# ORDER BY should be rejected
|
|
CREATE TABLE t1(a INTEGER);
|
|
INSERT INTO t1 VALUES (1), (2);
|
|
# Non-aggregated queries
|
|
SELECT a FROM t1 ORDER BY COUNT(*);
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
SELECT a FROM t1 WHERE a > 0 ORDER BY COUNT(*);
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
# Implicitly grouped query
|
|
SELECT SUM(a) FROM t1 ORDER BY COUNT(*);
|
|
SUM(a)
|
|
3
|
|
SELECT COUNT(*) FROM t1 ORDER BY COUNT(*);
|
|
COUNT(*)
|
|
2
|
|
SELECT COUNT(*) AS c FROM t1 ORDER BY COUNT(*);
|
|
c
|
|
2
|
|
SELECT COUNT(*) AS c FROM t1 ORDER BY c;
|
|
c
|
|
2
|
|
# Explicitly grouped query
|
|
SELECT a, COUNT(*) FROM t1 GROUP BY a ORDER BY COUNT(*);
|
|
a COUNT(*)
|
|
1 1
|
|
2 1
|
|
SELECT a, COUNT(*) AS c FROM t1 GROUP BY a ORDER BY COUNT(*);
|
|
a c
|
|
1 1
|
|
2 1
|
|
SELECT a, COUNT(*) AS c FROM t1 GROUP BY a ORDER BY c;
|
|
a c
|
|
1 1
|
|
2 1
|
|
SELECT a AS c FROM t1 GROUP BY a ORDER BY COUNT(*);
|
|
c
|
|
1
|
|
2
|
|
# Query with HAVING,
|
|
SELECT 1 FROM t1 HAVING COUNT(*) > 1 ORDER BY COUNT(*);
|
|
1
|
|
1
|
|
# Subquery, ORDER BY contains outer reference
|
|
SELECT (SELECT 1 AS foo ORDER BY a) AS x
|
|
FROM t1;
|
|
x
|
|
1
|
|
1
|
|
SELECT (SELECT 1 AS foo ORDER BY t1.a) AS x
|
|
FROM t1;
|
|
x
|
|
1
|
|
1
|
|
# Subquery, ORDER BY contains set function with outer reference
|
|
SELECT (SELECT 1 AS foo ORDER BY COUNT(a)) AS x
|
|
FROM t1;
|
|
x
|
|
1
|
|
SELECT (SELECT 1 AS foo ORDER BY COUNT(t1.a)) AS x
|
|
FROM t1;
|
|
x
|
|
1
|
|
# Subquery, ORDER BY contains set function with local reference
|
|
SELECT (SELECT 1 AS foo ORDER BY COUNT(*)) AS x
|
|
FROM t1;
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
# Subquery in ORDER BY with outer reference
|
|
SELECT a FROM t1 ORDER BY (SELECT COUNT(t1.a) FROM t1 AS t2);
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
SELECT SUM(a) FROM t1 ORDER BY (SELECT COUNT(t1.a) FROM t1 AS t2);
|
|
SUM(a)
|
|
3
|
|
# Query with ORDER BY inside UNION
|
|
(SELECT a FROM t1 ORDER BY COUNT(*))
|
|
UNION
|
|
SELECT a FROM t1;
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
(SELECT a FROM t1 ORDER BY COUNT(*))
|
|
UNION ALL
|
|
SELECT a FROM t1;
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
(SELECT a FROM t1 ORDER BY COUNT(*) LIMIT 1)
|
|
UNION
|
|
SELECT a FROM t1;
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
(SELECT a FROM t1 ORDER BY COUNT(*) LIMIT 1)
|
|
UNION ALL
|
|
SELECT a FROM t1;
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
SELECT a FROM t1
|
|
UNION
|
|
(SELECT a FROM t1 ORDER BY COUNT(*));
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
SELECT a FROM t1
|
|
UNION ALL
|
|
(SELECT a FROM t1 ORDER BY COUNT(*));
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
SELECT a FROM t1
|
|
UNION
|
|
(SELECT a FROM t1 ORDER BY COUNT(*) LIMIT 1 OFFSET 1);
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
SELECT a FROM t1
|
|
UNION ALL
|
|
(SELECT a FROM t1 ORDER BY COUNT(*) LIMIT 1 OFFSET 1);
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
(SELECT a FROM t1 ORDER BY COUNT(*))
|
|
UNION
|
|
(SELECT a FROM t1 ORDER BY COUNT(*));
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
(SELECT a FROM t1 ORDER BY COUNT(*))
|
|
UNION ALL
|
|
(SELECT a FROM t1 ORDER BY COUNT(*));
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
(SELECT a FROM t1 ORDER BY COUNT(*) LIMIT 1)
|
|
UNION
|
|
(SELECT a FROM t1 ORDER BY COUNT(*) LIMIT 1 OFFSET 1);
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
(SELECT a FROM t1 ORDER BY COUNT(*) LIMIT 1)
|
|
UNION ALL
|
|
(SELECT a FROM t1 ORDER BY COUNT(*) LIMIT 1 OFFSET 1);
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
(SELECT COUNT(*) FROM t1 ORDER BY a) ORDER BY COUNT(*);
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
DROP TABLE t1;
|
|
#
|
|
# Bug#18487060: ASSERTION FAILED: !TABLE || (!TABLE->READ_SET ||
|
|
# BITMAP_IS_SET(TABLE->READ_SET,
|
|
#
|
|
CREATE TABLE r(c BLOB) ENGINE=INNODB;
|
|
INSERT INTO r VALUES('');
|
|
SELECT 1 FROM r GROUP BY MAKE_SET(1,c) WITH ROLLUP;
|
|
1
|
|
1
|
|
1
|
|
DROP TABLE r;
|
|
#
|
|
# Bug #18921626 DEBUG CRASH IN PLAN_CHANGE_WATCHDOG::~PLAN_CHANGE_WATCHDOG AT SQL_OPTIMIZER.CC
|
|
#
|
|
SET @old_sql_mode = @@sql_mode;
|
|
set sql_mode='';
|
|
CREATE TABLE AA (
|
|
col_varchar_1024_latin1 varchar(1024) CHARACTER SET latin1,
|
|
pk integer auto_increment,
|
|
col_varchar_1024_utf8_key varchar(1024) CHARACTER SET utf8,
|
|
col_varchar_1024_latin1_key varchar(1024) CHARACTER SET latin1,
|
|
col_varchar_10_utf8_key varchar(10) CHARACTER SET utf8,
|
|
col_varchar_10_latin1_key varchar(10) CHARACTER SET latin1,
|
|
col_int int,
|
|
col_varchar_10_latin1 varchar(10) CHARACTER SET latin1,
|
|
col_varchar_10_utf8 varchar(10) CHARACTER SET utf8,
|
|
col_varchar_1024_utf8 varchar(1024) CHARACTER SET utf8,
|
|
col_int_key int,
|
|
primary key (pk),
|
|
key (col_varchar_1024_utf8_key ),
|
|
key (col_varchar_1024_latin1_key ),
|
|
key (col_varchar_10_utf8_key ),
|
|
key (col_varchar_10_latin1_key ),
|
|
key (col_int_key )) ENGINE=innodb ROW_FORMAT=DYNAMIC;
|
|
Warnings:
|
|
Warning 3719 'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous.
|
|
Warning 3719 'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous.
|
|
Warning 3719 'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous.
|
|
Warning 3719 'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous.
|
|
CREATE OR REPLACE VIEW view_AA AS SELECT * FROM AA;
|
|
CREATE TABLE B (
|
|
col_varchar_1024_latin1_key varchar(1024) CHARACTER SET latin1,
|
|
col_varchar_10_latin1 varchar(10) CHARACTER SET latin1,
|
|
col_varchar_10_utf8_key varchar(10) CHARACTER SET utf8,
|
|
col_int_key int,
|
|
col_varchar_1024_latin1 varchar(1024) CHARACTER SET latin1,
|
|
col_varchar_1024_utf8_key varchar(1024) CHARACTER SET utf8,
|
|
col_varchar_10_utf8 varchar(10) CHARACTER SET utf8,
|
|
col_int int,
|
|
pk integer auto_increment,
|
|
col_varchar_10_latin1_key varchar(10) CHARACTER SET latin1,
|
|
col_varchar_1024_utf8 varchar(1024) CHARACTER SET utf8,
|
|
key (col_varchar_1024_latin1_key ),
|
|
key (col_varchar_10_utf8_key ),
|
|
key (col_int_key ),
|
|
key (col_varchar_1024_utf8_key ),
|
|
primary key (pk),
|
|
key (col_varchar_10_latin1_key )) ENGINE=myisam;
|
|
Warnings:
|
|
Warning 3719 'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous.
|
|
Warning 3719 'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous.
|
|
Warning 3719 'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous.
|
|
Warning 3719 'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous.
|
|
Warning 1071 Specified key was too long; max key length is 1000 bytes
|
|
Warning 1071 Specified key was too long; max key length is 1000 bytes
|
|
INSERT INTO B VALUES ('at', repeat('a',1000), 'the',
|
|
-1622540288, 'as', repeat('a',1000), 'want', 1810890752, NULL, 'v', 'just');
|
|
Warnings:
|
|
Warning 1265 Data truncated for column 'col_varchar_10_latin1' at row 1
|
|
SELECT
|
|
DISTINCT table1 . pk AS field1
|
|
FROM view_AA AS table1 LEFT JOIN B AS table2
|
|
ON table1 . col_varchar_10_latin1_key = table2 .
|
|
col_varchar_1024_latin1_key
|
|
WHERE ( ( table2 . pk > table1 . col_int_key AND table1 . pk NOT
|
|
BETWEEN 3 AND ( 3 + 3 ) ) AND table2 . pk <> 6 )
|
|
GROUP BY table1 . pk;
|
|
field1
|
|
DROP TABLE AA,B;
|
|
DROP VIEW view_AA;
|
|
SET @@sql_mode = @old_sql_mode;
|
|
SET sql_mode = default;
|
|
#
|
|
# Bug#20262196 ASSERTION FAILED: !IMPLICIT_GROUPING || TMP_TABLE_PARAM.SUM_FUNC_COUNT
|
|
#
|
|
CREATE TABLE t1(a INT, b INT) ENGINE=INNODB;
|
|
INSERT INTO t1 VALUES (1,2), (3,4);
|
|
SELECT
|
|
EXISTS
|
|
(
|
|
SELECT 1
|
|
FROM (SELECT a FROM t1) t_inner
|
|
GROUP BY t_inner.a
|
|
ORDER BY MIN(t_outer.b)
|
|
)
|
|
FROM t1 t_outer;
|
|
EXISTS
|
|
(
|
|
SELECT 1
|
|
FROM (SELECT a FROM t1) t_inner
|
|
GROUP BY t_inner.a
|
|
ORDER BY MIN(t_outer.b)
|
|
)
|
|
1
|
|
DROP TABLE t1;
|
|
#
|
|
# Bug#20210742 GROUP BY ON MERGE VIEW WITH ORDER BY DOES NOT WORK WITH ONLY_FULL_GROUP_BY
|
|
#
|
|
CREATE TABLE t1(cc CHAR(1), n CHAR(1), d CHAR(1));
|
|
CREATE OR REPLACE ALGORITHM = MERGE VIEW v1 AS
|
|
SELECT * FROM t1 WHERE cc = 'AUS' ORDER BY n;
|
|
SELECT d, COUNT(*) FROM v1 GROUP BY d;
|
|
d COUNT(*)
|
|
DROP TABLE t1;
|
|
DROP VIEW v1;
|
|
#
|
|
# Bug#20819199 ASSERTION FAILED IN TEST_IF_SKIP_SORT_ORDER
|
|
#
|
|
CREATE TABLE t0 ( a INT );
|
|
INSERT INTO t0 VALUES (1), (2), (3), (4), (5), (6), (7), (8), (9), (10);
|
|
CREATE TABLE t1 (
|
|
pk INT NOT NULL AUTO_INCREMENT,
|
|
a INT,
|
|
b INT,
|
|
PRIMARY KEY (pk),
|
|
KEY idx1 (a),
|
|
KEY idx2 (b, a),
|
|
KEY idx3 (a, b)
|
|
) ENGINE = InnoDB;
|
|
INSERT INTO t1 (a, b) SELECT t01.a, t02.a FROM t0 t01, t0 t02;
|
|
ANALYZE TABLE t0,t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t0 analyze status OK
|
|
test.t1 analyze status OK
|
|
EXPLAIN SELECT DISTINCT a, MAX(b) FROM t1 WHERE a >= 0 GROUP BY a,a;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index idx1,idx2,idx3 idx1 5 NULL 100 100.00 Using where
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,max(`test`.`t1`.`b`) AS `MAX(b)` from `test`.`t1` where (`test`.`t1`.`a` >= 0) group by `test`.`t1`.`a`
|
|
SELECT DISTINCT a, MAX(b) FROM t1 WHERE a >= 0 GROUP BY a,a;
|
|
a MAX(b)
|
|
1 10
|
|
2 10
|
|
3 10
|
|
4 10
|
|
5 10
|
|
6 10
|
|
7 10
|
|
8 10
|
|
9 10
|
|
10 10
|
|
DROP TABLE t0, t1;
|
|
# Bug#21753180: handle_fatal_signal (sig=11) in my_strtod_int
|
|
CREATE TABLE t1(
|
|
a INTEGER,
|
|
b BLOB(1),
|
|
c BLOB(1),
|
|
PRIMARY KEY(a,b(1)),
|
|
UNIQUE KEY (a,c(1))
|
|
);
|
|
INSERT INTO t1 VALUES(1,2,1),(2,4,1);
|
|
ANALYZE TABLE t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
explain SELECT a, (SELECT SUM(a + c) FROM (SELECT b as c FROM t1) AS v1) FROM t1;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 PRIMARY t1 NULL index NULL a 8 NULL 2 100.00 Using index
|
|
2 DEPENDENT SUBQUERY t1 NULL ALL NULL NULL NULL NULL 2 100.00 NULL
|
|
Warnings:
|
|
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,(/* select#2 */ select sum((`test`.`t1`.`a` + `test`.`t1`.`b`)) from `test`.`t1`) AS `(SELECT SUM(a + c) FROM (SELECT b as c FROM t1) AS v1)` from `test`.`t1`
|
|
SELECT a, (SELECT SUM(a + c) FROM (SELECT b as c FROM t1) AS v1) FROM t1;
|
|
a (SELECT SUM(a + c) FROM (SELECT b as c FROM t1) AS v1)
|
|
1 8
|
|
2 10
|
|
DROP TABLE t1;
|
|
#
|
|
# Bug#21761044 CONDITIONAL JUMP AT TEST_IF_ORDER_BY_KEY IN SQL_OPTIMIZER.CC
|
|
#
|
|
# Used to give ASAN error on the SELECT: addressing beyond allocated memory
|
|
#
|
|
CREATE TABLE cc (pk int, i int, c varchar(1),
|
|
PRIMARY KEY (pk, i), KEY c_key(c)) ENGINE=InnoDB;
|
|
SELECT c, i, pk FROM cc WHERE (cc.pk = 1) GROUP BY c, i, pk;
|
|
c i pk
|
|
DROP TABLE cc;
|
|
#
|
|
# Bug#22132822 CRASH IN GROUP_CHECK::IS_FD_ON_SOURCE
|
|
#
|
|
CREATE TABLE t1
|
|
(
|
|
a INT GENERATED ALWAYS AS (1) VIRTUAL,
|
|
b INT GENERATED ALWAYS AS (a) VIRTUAL,
|
|
c INT GENERATED ALWAYS AS (1) VIRTUAL
|
|
);
|
|
DROP TABLE t1;
|
|
#
|
|
# Bug #22186926 CONVERT_CONSTANT_ITEM(THD*, ITEM_FIELD*, ITEM**): ASSERTION `!RESULT' FAILED.
|
|
#
|
|
CREATE TABLE t1
|
|
(
|
|
f1 INTEGER NOT NULL,
|
|
f2 DATETIME NOT NULL,
|
|
f3 VARCHAR(1) NOT NULL,
|
|
KEY (f3)
|
|
);
|
|
INSERT INTO t1(f1, f2, f3) VALUES
|
|
(5, '2001-07-25 08:40:24.058646', 'j'),
|
|
(2, '1900-01-01 00:00:00', 's'),
|
|
(4, '2001-01-20 12:47:23.022022', 'x');
|
|
CREATE TABLE t2 (f1 VARCHAR(1) NOT NULL);
|
|
FLUSH TABLES;
|
|
ANALYZE TABLE t1,t2;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 analyze status OK
|
|
test.t2 analyze status OK
|
|
EXPLAIN SELECT MIN(t1.f3 ) FROM t1
|
|
WHERE t1.f3 IN (SELECT t2.f1 FROM t2 WHERE NOT t1.f2 IS NOT NULL) AND t1.f1 IS NULL OR
|
|
NOT t1 . f3 < 'q';
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
|
|
2 DEPENDENT SUBQUERY t2 NULL ALL NULL NULL NULL NULL 1 100.00 Using where
|
|
Warnings:
|
|
Note 1276 Field or reference 'test.t1.f2' of SELECT #2 was resolved in SELECT #1
|
|
Note 1003 /* select#1 */ select min(`test`.`t1`.`f3`) AS `MIN(t1.f3 )` from `test`.`t1` where (`test`.`t1`.`f3` >= 'q')
|
|
DROP TABLE t1,t2;
|
|
#
|
|
# Bug#22275357 ORDER BY DOES NOT WORK CORRECTLY WITH GROUPED AVG()
|
|
# VALUES EXTRACTED FROM JSON
|
|
#
|
|
CREATE TABLE t(txt TEXT, i INT);
|
|
INSERT INTO t VALUES ('a', 2), ('b', 8), ('b', 0), ('c', 2);
|
|
SELECT txt, AVG(i) a FROM t GROUP BY txt ORDER BY a, txt;
|
|
txt a
|
|
a 2.0000
|
|
c 2.0000
|
|
b 4.0000
|
|
SELECT txt, VAR_POP(i) v FROM t GROUP BY txt ORDER BY v, txt;
|
|
txt v
|
|
a 0
|
|
c 0
|
|
b 16
|
|
SELECT txt, STDDEV_POP(i) s FROM t GROUP BY txt ORDER BY s, txt;
|
|
txt s
|
|
a 0
|
|
c 0
|
|
b 4
|
|
SELECT SQL_BUFFER_RESULT txt, AVG(i) a FROM t GROUP BY txt ORDER BY a, txt;
|
|
txt a
|
|
a 2.0000
|
|
c 2.0000
|
|
b 4.0000
|
|
SELECT SQL_BUFFER_RESULT txt, VAR_POP(i) v FROM t GROUP BY txt ORDER BY v, txt;
|
|
txt v
|
|
a 0
|
|
c 0
|
|
b 16
|
|
SELECT SQL_BUFFER_RESULT txt, STDDEV_POP(i) s FROM t
|
|
GROUP BY txt ORDER BY s, txt;
|
|
txt s
|
|
a 0
|
|
c 0
|
|
b 4
|
|
DROP TABLE t;
|
|
#
|
|
# Bug#26162009: INCORRECT RESULT WITH EXPRESSION IN HAVING CLAUSE
|
|
#
|
|
CREATE TABLE t1 (col_varchar VARCHAR(10), col_int_key INT);
|
|
INSERT INTO t1 VALUES('r',83);
|
|
SELECT col_varchar as field1, MAX(col_int_key) AS field3 FROM t1
|
|
GROUP BY col_varchar HAVING (field1 >= 'i' OR field3 <= 9);
|
|
field1 field3
|
|
r 83
|
|
SELECT CONCAT(col_varchar) as field1, MAX(col_int_key) AS field3
|
|
FROM t1 GROUP BY col_varchar HAVING (field1 >= 'i' OR field3 <= 9);
|
|
field1 field3
|
|
r 83
|
|
DROP TABLE t1;
|
|
#
|
|
# Bug#21974346: GROUPING ON AGGREGATED RESULTS NOT ALWAYS REJECTED
|
|
#
|
|
CREATE TABLE t (a INT);
|
|
INSERT INTO t VALUES (0), (1), (1), (2);
|
|
# These queries did not raise the expected error before the fix.
|
|
SELECT COUNT(*) AS c FROM t GROUP BY (SELECT 1 HAVING c);
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT COUNT(*) + 1 AS c FROM t GROUP BY (SELECT 1 HAVING c);
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT SUM(a) AS s FROM t GROUP BY (SELECT 1 HAVING s);
|
|
ERROR 42S22: Reference 's' not supported (reference to group function)
|
|
SELECT SUM(a) + 1 AS s FROM t GROUP BY (SELECT 1 HAVING s);
|
|
ERROR 42S22: Reference 's' not supported (reference to group function)
|
|
SELECT (SELECT COUNT(*) AS c FROM t GROUP BY (SELECT 1 HAVING c));
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT (SELECT COUNT(*) AS c FROM t GROUP BY (SELECT 1 HAVING c) LIMIT 1);
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT (SELECT COUNT(*) + 1 AS c FROM t GROUP BY (SELECT 1 HAVING c));
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT COUNT(*) AS c1, (SELECT 1 HAVING c1) AS c2
|
|
FROM t GROUP BY (SELECT 1 WHERE c2);
|
|
ERROR 42S22: Reference 'c2' not supported (reference to group function)
|
|
SELECT COUNT(*) + 1 AS c1, (SELECT 1 HAVING c1) + 1 AS c2
|
|
FROM t GROUP BY (SELECT 1 WHERE c2);
|
|
ERROR 42S22: Reference 'c2' not supported (reference to group function)
|
|
# These queries were accepted before the fix, and they still are.
|
|
SELECT COUNT(*) AS c FROM t ORDER BY (SELECT 1 HAVING c);
|
|
c
|
|
4
|
|
SELECT COUNT(*) AS c FROM t ORDER BY c;
|
|
c
|
|
4
|
|
SELECT COUNT(*) AS c FROM t ORDER BY c+1;
|
|
c
|
|
4
|
|
SELECT COUNT(*) AS c FROM t ORDER BY c+c;
|
|
c
|
|
4
|
|
SELECT COUNT(*) AS c FROM t HAVING (SELECT 1 HAVING c);
|
|
c
|
|
4
|
|
SELECT COUNT(*) AS c FROM t HAVING c;
|
|
c
|
|
4
|
|
SELECT a, COUNT(*) AS c FROM t GROUP BY a WITH ROLLUP
|
|
HAVING (SELECT 1 HAVING c);
|
|
a c
|
|
0 1
|
|
1 2
|
|
2 1
|
|
NULL 4
|
|
SELECT a, COUNT(*) AS c FROM t GROUP BY a WITH ROLLUP HAVING c;
|
|
a c
|
|
0 1
|
|
1 2
|
|
2 1
|
|
NULL 4
|
|
SELECT (SELECT COUNT(*) AS c FROM t HAVING c <> 0);
|
|
(SELECT COUNT(*) AS c FROM t HAVING c <> 0)
|
|
4
|
|
SELECT (SELECT COUNT(*) FROM t HAVING COUNT(*) <> 0);
|
|
(SELECT COUNT(*) FROM t HAVING COUNT(*) <> 0)
|
|
4
|
|
SELECT (SELECT COUNT(*) AS c FROM t ORDER BY c);
|
|
(SELECT COUNT(*) AS c FROM t ORDER BY c)
|
|
4
|
|
SELECT (SELECT COUNT(*) FROM t ORDER BY COUNT(*));
|
|
(SELECT COUNT(*) FROM t ORDER BY COUNT(*))
|
|
4
|
|
SELECT 1 FROM t t1 HAVING (SELECT SUM(t1.a) s FROM t t2
|
|
GROUP BY (SELECT 1 HAVING s > 0)) > 0;
|
|
1
|
|
1
|
|
SELECT (SELECT SUM(a)) FROM t;
|
|
(SELECT SUM(a))
|
|
4
|
|
SELECT SUM(a) AS s, (SELECT SUM(a)) FROM t;
|
|
s (SELECT SUM(a))
|
|
4 4
|
|
SELECT a, (SELECT SUM(a)) s FROM t GROUP BY a;
|
|
a s
|
|
0 0
|
|
1 2
|
|
2 2
|
|
SELECT 1 FROM t t1 HAVING (SELECT SUM(t1.a) s FROM t t2 HAVING s > 5);
|
|
1
|
|
SELECT (SELECT SUM(t1.a) s FROM t t2 WHERE t2.a = 0 HAVING s > 3) FROM t t1;
|
|
(SELECT SUM(t1.a) s FROM t t2 WHERE t2.a = 0 HAVING s > 3)
|
|
4
|
|
SELECT 1 FROM t HAVING (SELECT SUM(a)) > 0;
|
|
1
|
|
1
|
|
SELECT (SELECT SUM(a)) FROM t;
|
|
(SELECT SUM(a))
|
|
4
|
|
# These queries where accepted before the fix, and they still are,
|
|
# but their results are wrong both before and after the fix
|
|
# because of bug#22588319.
|
|
# Returns (4, NULL), should have returned (4, 1):
|
|
SELECT SUM(a) s, (SELECT 1 HAVING s > 0) s2 FROM t;
|
|
s s2
|
|
4 NULL
|
|
# Should have ordered ascending on -a, but comes out in random order
|
|
# because the ORDER BY clause always evaluates to NULL. Have to use
|
|
# the --sorted_result directive to produce stable test results.
|
|
SELECT a, COUNT(*) c FROM t GROUP BY a ORDER BY (SELECT -a HAVING c > 0);
|
|
a c
|
|
0 1
|
|
1 2
|
|
2 1
|
|
# These queries were accepted in the default sql_mode before the fix,
|
|
# and rejected in the ANSI sql_mode. Expect no change after the fix.
|
|
SELECT * FROM t t1 WHERE (SELECT SUM(t1.a) s FROM t t2 HAVING s = 0);
|
|
a
|
|
SELECT 1 FROM t t1 GROUP BY (SELECT SUM(t1.a) s FROM t t2 ORDER BY s);
|
|
1
|
|
1
|
|
1
|
|
1
|
|
SELECT 1 FROM t t1 GROUP BY (SELECT SUM(t1.a) s FROM t t2 ORDER BY s + 1);
|
|
1
|
|
1
|
|
1
|
|
1
|
|
SELECT 1 FROM t t1 GROUP BY (SELECT SUM(t1.a) s);
|
|
1
|
|
1
|
|
1
|
|
1
|
|
SELECT 1 FROM t WHERE (SELECT SUM(a)) > 0;
|
|
1
|
|
1
|
|
1
|
|
1
|
|
SELECT 1 FROM t GROUP BY (SELECT SUM(a));
|
|
1
|
|
1
|
|
1
|
|
1
|
|
SET sql_mode = ANSI;
|
|
SELECT * FROM t t1 WHERE (SELECT SUM(t1.a) s FROM t t2 HAVING s = 0);
|
|
ERROR HY000: Invalid use of group function
|
|
SELECT 1 FROM t t1 GROUP BY (SELECT SUM(t1.a) s FROM t t2 ORDER BY s);
|
|
ERROR HY000: Invalid use of group function
|
|
SELECT 1 FROM t t1 GROUP BY (SELECT SUM(t1.a) s FROM t t2 ORDER BY s + 1);
|
|
ERROR HY000: Invalid use of group function
|
|
SELECT 1 FROM t t1 GROUP BY (SELECT SUM(t1.a) s);
|
|
ERROR HY000: Invalid use of group function
|
|
SELECT 1 FROM t WHERE (SELECT SUM(a)) > 0;
|
|
ERROR HY000: Invalid use of group function
|
|
SELECT 1 FROM t GROUP BY (SELECT SUM(a));
|
|
ERROR HY000: Invalid use of group function
|
|
SET sql_mode = DEFAULT;
|
|
# These queries were rejected before the fix, and they still are.
|
|
SELECT COUNT(*) AS c FROM t GROUP BY (SELECT c);
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT COUNT(*) + 1 AS c FROM t GROUP BY (SELECT c);
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT COUNT(*) AS c FROM t GROUP BY (SELECT 1 WHERE c);
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT COUNT(*) + 1 AS c FROM t GROUP BY (SELECT 1 WHERE c);
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT COUNT(*) AS c FROM t GROUP BY (SELECT c HAVING c);
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT COUNT(*) + 1 AS c FROM t GROUP BY (SELECT c HAVING c);
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT COUNT(*) AS c FROM t GROUP BY (SELECT c WHERE c);
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT c FROM (SELECT COUNT(*) AS c FROM t GROUP BY (SELECT 1 ORDER BY c)) tt;
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT COUNT(*) AS c FROM t
|
|
GROUP BY (SELECT COUNT(*) FROM t HAVING (SELECT c));
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT COUNT(*) AS c FROM t
|
|
GROUP BY (SELECT COUNT(*) FROM t ORDER BY (SELECT c));
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT (SELECT COUNT(*) AS c FROM t GROUP BY c);
|
|
ERROR 42000: Can't group on 'c'
|
|
SELECT (SELECT COUNT(*) FROM t GROUP BY COUNT(*));
|
|
ERROR 42000: Can't group on 'COUNT(*)'
|
|
SELECT 1 FROM t t1 WHERE (SELECT SUM(t1.a) s FROM t t2 GROUP BY s);
|
|
ERROR 42000: Can't group on 's'
|
|
SELECT 1 FROM t t1 WHERE (SELECT SUM(t1.a) s FROM t t2 GROUP BY s+1);
|
|
ERROR 42000: Can't group on '???'
|
|
SELECT 1 FROM t t1 ORDER BY (SELECT SUM(t1.a) s FROM t t2 GROUP BY s) > 0;
|
|
ERROR 42000: Can't group on 's'
|
|
SELECT 1 FROM t t1 ORDER BY (SELECT SUM(t1.a) s FROM t t2 GROUP BY s+1) > 0;
|
|
ERROR 42000: Can't group on '???'
|
|
SELECT 1 FROM t t1 ORDER BY (SELECT SUM(t1.a) s FROM t t2
|
|
GROUP BY (SELECT s)) > 0;
|
|
ERROR 42S22: Reference 's' not supported (reference to group function)
|
|
SELECT 1 FROM t t1 ORDER BY (SELECT SUM(t1.a) s FROM t t2
|
|
GROUP BY (SELECT s+1)) > 0;
|
|
ERROR 42S22: Reference 's' not supported (reference to group function)
|
|
SELECT 1 FROM t ORDER BY (SELECT SUM(a));
|
|
ERROR HY000: Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query
|
|
SELECT 1 FROM t t1 HAVING (SELECT SUM(t1.a) s FROM t t2 WHERE s > 5);
|
|
ERROR 42S22: Unknown column 's' in 'where clause'
|
|
SELECT a, (SELECT SUM(a)) s FROM t GROUP BY a, s;
|
|
ERROR 42000: Can't group on 's'
|
|
SELECT EXISTS (SELECT SUM(t1.a) s FROM t t2 GROUP BY s) FROM t t1;
|
|
ERROR 42000: Can't group on 's'
|
|
SELECT SUM(a) s, s FROM t;
|
|
ERROR 42S22: Unknown column 's' in 'field list'
|
|
SELECT 1 FROM t t1 HAVING (SELECT SUM(t1.a) s FROM t t2 GROUP BY s) > 0;
|
|
ERROR 42000: Can't group on 's'
|
|
SELECT 1 FROM t t1 HAVING (SELECT SUM(t1.a) s FROM t t2 GROUP BY s+1) > 0;
|
|
ERROR 42000: Can't group on '???'
|
|
SELECT 1 FROM t t1 HAVING (SELECT SUM(t1.a) s FROM t t2
|
|
HAVING (SELECT 1 GROUP BY s+1)) > 0;
|
|
ERROR 42S22: Reference 's' not supported (reference to group function)
|
|
SELECT COUNT(*) AS c FROM t ORDER BY (SELECT c);
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT COUNT(*) AS c FROM t ORDER BY (SELECT 1 ORDER BY c);
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT COUNT(*) AS c FROM t ORDER BY (SELECT c ORDER BY c);
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT COUNT(*) AS c FROM t HAVING (SELECT c);
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT COUNT(*) AS c FROM t HAVING (SELECT 1 ORDER BY c);
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT COUNT(*) AS c FROM t HAVING (SELECT c ORDER BY c);
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT a, COUNT(*) AS c FROM t GROUP BY a WITH ROLLUP
|
|
HAVING (SELECT c);
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT a, COUNT(*) AS c FROM t GROUP BY a WITH ROLLUP
|
|
HAVING (SELECT 1 ORDER BY c);
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT a, COUNT(*) AS c FROM t GROUP BY a WITH ROLLUP
|
|
HAVING (SELECT c ORDER BY c);
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT COUNT(*) AS c FROM t ORDER BY (SELECT COUNT(*) FROM t HAVING (SELECT c));
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT c FROM (SELECT COUNT(*) AS c FROM t ORDER BY (SELECT 1 ORDER BY c)) tt;
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT COUNT(*) AS c FROM t
|
|
ORDER BY (SELECT COUNT(*) FROM t GROUP BY (SELECT c));
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT COUNT(*) AS c FROM t
|
|
HAVING (SELECT COUNT(*) FROM t GROUP BY (SELECT c));
|
|
ERROR 42S22: Reference 'c' not supported (reference to group function)
|
|
SELECT SUM(a) AS s, (SELECT s) FROM t;
|
|
ERROR 42S22: Reference 's' not supported (reference to group function)
|
|
SELECT EXISTS (SELECT SUM(t1.a) s FROM t t2 GROUP BY (SELECT s)) FROM t t1;
|
|
ERROR 42S22: Reference 's' not supported (reference to group function)
|
|
SELECT (SELECT SUM(t1.a) s FROM t t2 HAVING (SELECT s > 5)) FROM t t1;
|
|
ERROR 42S22: Reference 's' not supported (reference to group function)
|
|
SELECT 1 FROM t t1 HAVING (SELECT SUM(t1.a) s FROM t t2 HAVING (SELECT s) < 0);
|
|
ERROR 42S22: Reference 's' not supported (reference to group function)
|
|
SELECT 1 FROM t t1 HAVING (SELECT SUM(t1.a) s FROM t t2 GROUP BY (SELECT s));
|
|
ERROR 42S22: Reference 's' not supported (reference to group function)
|
|
SELECT 1 FROM t t1 HAVING (SELECT SUM(t1.a) s FROM t t2 HAVING (SELECT -s) > 0);
|
|
ERROR 42S22: Reference 's' not supported (reference to group function)
|
|
SELECT 1 FROM t t1 HAVING (SELECT SUM(t1.a) s FROM t t2 GROUP BY (SELECT -s));
|
|
ERROR 42S22: Reference 's' not supported (reference to group function)
|
|
DROP TABLE t;
|
|
#
|
|
# Bug#25407964 GROUP BY DESC GIVES WRONG RESULT WHEN GROUPS ON DECIMAL AND SEES A NULL
|
|
#
|
|
CREATE TABLE t(d DATE, i INT);
|
|
INSERT INTO t VALUES(NULL,1),('2017-01-14',3);
|
|
SELECT WEEK(d)/10, GROUP_CONCAT(i) FROM t GROUP BY WEEK(d)/10;
|
|
WEEK(d)/10 GROUP_CONCAT(i)
|
|
NULL 1
|
|
0.2000 3
|
|
SELECT WEEK(d)/10, GROUP_CONCAT(i) FROM t GROUP BY WEEK(d)/10 ORDER BY WEEK(d)/10 DESC;
|
|
WEEK(d)/10 GROUP_CONCAT(i)
|
|
0.2000 3
|
|
NULL 1
|
|
DROP TABLE t;
|
|
#
|
|
# Bug#21974696 WRONG RESULT WHEN GROUPING ON VALUE FROM SUBQUERY
|
|
# AND USING COUNT DISTINCT
|
|
#
|
|
CREATE TABLE t(a TEXT, b INT);
|
|
INSERT INTO t VALUES ('1', 10), ('1', 11), ('2', 20), ('2', 20), ('3', 30);
|
|
SELECT (SELECT a) AS col1, COUNT(DISTINCT b) FROM t GROUP BY -col1;
|
|
col1 COUNT(DISTINCT b)
|
|
1 2
|
|
2 1
|
|
3 1
|
|
SELECT (SELECT a) AS col1, COUNT(b) FROM t GROUP BY -col1;
|
|
col1 COUNT(b)
|
|
1 2
|
|
2 2
|
|
3 1
|
|
SELECT SQL_BIG_RESULT (SELECT a) AS col1, COUNT(b) FROM t GROUP BY -col1;
|
|
col1 COUNT(b)
|
|
1 2
|
|
2 2
|
|
3 1
|
|
SELECT (SELECT a) AS col1, COUNT(b) FROM t GROUP BY -col1 WITH ROLLUP;
|
|
col1 COUNT(b)
|
|
1 2
|
|
1 5
|
|
2 2
|
|
3 1
|
|
DROP TABLE t;
|
|
CREATE TABLE t(a JSON, b INT);
|
|
INSERT INTO t VALUES ('1', 10), ('1', 11), ('2', 20), ('2', 20), ('3', 30);
|
|
SELECT (SELECT a) AS col1, COUNT(DISTINCT b) FROM t GROUP BY -col1;
|
|
col1 COUNT(DISTINCT b)
|
|
1 2
|
|
2 1
|
|
3 1
|
|
SELECT (SELECT a) AS col1, COUNT(b) FROM t GROUP BY -col1;
|
|
col1 COUNT(b)
|
|
1 2
|
|
2 2
|
|
3 1
|
|
SELECT SQL_BIG_RESULT (SELECT a) AS col1, COUNT(b) FROM t GROUP BY -col1;
|
|
col1 COUNT(b)
|
|
1 2
|
|
2 2
|
|
3 1
|
|
SELECT (SELECT a) AS col1, COUNT(b) FROM t GROUP BY -col1 WITH ROLLUP;
|
|
col1 COUNT(b)
|
|
1 2
|
|
1 5
|
|
2 2
|
|
3 1
|
|
DROP TABLE t;
|
|
#
|
|
# WL#8963: REMOVAL OF NON STANDARD GROUP BY ASC/DESC
|
|
#
|
|
CREATE TABLE t1 (i INTEGER NOT NULL, j INTEGER NOT NULL, key(i,j));
|
|
INSERT INTO t1 VALUES (1,2),(1,4),(1,3),(2,5),(5,3),(2,6),(6,2);
|
|
SELECT i, SUM(j) FROM t1 GROUP BY i ASC;
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'ASC' at line 1
|
|
SELECT i, SUM(j) FROM t1 GROUP BY i DESC;
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'DESC' at line 1
|
|
EXPLAIN SELECT i, SUM(j) FROM t1 GROUP BY i;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index i i 8 NULL # # Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`i` AS `i`,sum(`test`.`t1`.`j`) AS `SUM(j)` from `test`.`t1` group by `test`.`t1`.`i`
|
|
SELECT i, SUM(j) FROM t1 GROUP BY i;
|
|
i SUM(j)
|
|
1 9
|
|
2 11
|
|
5 3
|
|
6 2
|
|
EXPLAIN SELECT i, SUM(j) FROM t1 GROUP BY i ORDER BY i;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index i i 8 NULL # # Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`i` AS `i`,sum(`test`.`t1`.`j`) AS `SUM(j)` from `test`.`t1` group by `test`.`t1`.`i` order by `test`.`t1`.`i`
|
|
SELECT i, SUM(j) FROM t1 GROUP BY i ORDER BY i;
|
|
i SUM(j)
|
|
1 9
|
|
2 11
|
|
5 3
|
|
6 2
|
|
EXPLAIN SELECT i, SUM(j) FROM t1 GROUP BY i ORDER BY SUM(j);
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index i i 8 NULL # # Using index; Using temporary; Using filesort
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`i` AS `i`,sum(`test`.`t1`.`j`) AS `SUM(j)` from `test`.`t1` group by `test`.`t1`.`i` order by sum(`test`.`t1`.`j`)
|
|
SELECT i, SUM(j) FROM t1 GROUP BY i ORDER BY SUM(j);
|
|
i SUM(j)
|
|
6 2
|
|
5 3
|
|
1 9
|
|
2 11
|
|
ALTER TABLE t1 ADD UNIQUE INDEX (i,j);
|
|
EXPLAIN SELECT i FROM t1 GROUP BY j,i ORDER BY i,j;
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 NULL index i_2,i i_2 8 NULL 7 100.00 Using index
|
|
Warnings:
|
|
Note 1003 /* select#1 */ select `test`.`t1`.`i` AS `i` from `test`.`t1` group by `test`.`t1`.`j`,`test`.`t1`.`i` order by `test`.`t1`.`i`,`test`.`t1`.`j`
|
|
SELECT i, SUM(j) FROM t1 GROUP BY j,i ORDER BY i,j;
|
|
i SUM(j)
|
|
1 2
|
|
1 3
|
|
1 4
|
|
2 5
|
|
2 6
|
|
5 3
|
|
6 2
|
|
DROP TABLE t1;
|
|
# End of tests for WL#8693
|
|
#
|
|
# Bug #29214970: WRONG RESULTS FOR GROUP EXPRESSIONS WITH THE ITERATOR EXECUTOR
|
|
#
|
|
CREATE TABLE t1 (
|
|
f1 INTEGER,
|
|
f2 INTEGER,
|
|
KEY k1 ( f1 )
|
|
);
|
|
INSERT INTO t1 VALUES ( 1, 1 );
|
|
INSERT INTO t1 VALUES ( 1, 2 );
|
|
INSERT INTO t1 VALUES ( 1, 3 );
|
|
INSERT INTO t1 VALUES ( 2, 1 );
|
|
INSERT INTO t1 VALUES ( 2, 2 );
|
|
INSERT INTO t1 VALUES ( 3, 5 );
|
|
EXPLAIN FORMAT=tree SELECT f1, f1 + 1, COUNT(DISTINCT f2) AS x FROM t1 GROUP BY f1 ORDER BY x;
|
|
EXPLAIN
|
|
-> Sort: <temporary>.x
|
|
-> Stream results
|
|
-> Group aggregate: count(distinct t1.f2)
|
|
-> Index scan on t1 using k1 (cost=0.85 rows=6)
|
|
|
|
SELECT f1, f1 + 1, COUNT(DISTINCT f2) AS x FROM t1 GROUP BY f1 ORDER BY x;
|
|
f1 f1 + 1 x
|
|
3 4 1
|
|
2 3 2
|
|
1 2 3
|
|
DROP TABLE t1;
|
|
# Bug#29240516: Count on nullable expression may return wrong result
|
|
CREATE TABLE t1 (
|
|
vc varchar(255) DEFAULT NULL,
|
|
b tinyint DEFAULT NULL
|
|
);
|
|
INSERT INTO t1 (vc, b) VALUES (1, true), (2, false), (3, true), (4, false);
|
|
INSERT INTO t1 (vc) VALUES (5), (6), (7), (8), (9), (10);
|
|
SELECT COUNT(b), COUNT(*)
|
|
FROM t1;
|
|
COUNT(b) COUNT(*)
|
|
4 10
|
|
SELECT COUNT(b)
|
|
FROM t1
|
|
HAVING COUNT(1) > 0;
|
|
COUNT(b)
|
|
4
|
|
DROP TABLE t1;
|
|
# Bug#28857990: Different result for COUNT with EXISTS subquery
|
|
CREATE TABLE d (pk INT PRIMARY KEY);
|
|
INSERT INTO d VALUES (1),(2),(3),(4),(5);
|
|
CREATE TABLE c (col_varchar VARCHAR(1));
|
|
INSERT INTO c VALUES ('a'),('b'),('c'),('d'),('e');
|
|
SELECT COUNT(pk) FROM d WHERE EXISTS (SELECT col_varchar FROM c);
|
|
COUNT(pk)
|
|
5
|
|
DROP TABLE c, d;
|
|
#
|
|
# Bug #29396628: SIG 6 AT LIST<ITEM>::END | SQL_LIST.H
|
|
#
|
|
CREATE TABLE t1 (
|
|
f1 integer,
|
|
f2 integer,
|
|
f3 integer
|
|
);
|
|
SELECT * FROM t1 GROUP BY f3,f2,f1 WITH ROLLUP;
|
|
f1 f2 f3
|
|
DROP TABLE t1;
|
|
|