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276 lines
6.9 KiB
276 lines
6.9 KiB
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#
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# Init section
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#
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--disable_warnings
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drop table if exists t1;
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--enable_warnings
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#
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# Simple IF tests
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#
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select IF(0,"ERROR","this"),IF(1,"is","ERROR"),IF(NULL,"ERROR","a"),IF(1,2,3)|0,IF(1,2.0,3.0)+0 ;
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#
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# Test of IF and case-sensitiveness
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#
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CREATE TABLE t1 (st varchar(255) NOT NULL, u int(11) NOT NULL);
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INSERT INTO t1 VALUES ('a',1),('A',1),('aa',1),('AA',1),('a',1),('aaa',0),('BBB',0);
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select if(1,st,st) s from t1 order by s;
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select if(u=1,st,st) s from t1 order by s;
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select if(u=1,binary st,st) s from t1 order by s;
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select if(u=1,st,binary st) s from t1 where st like "%a%" order by s;
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analyze table t1;
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explain select if(u=1,st,binary st) s from t1 where st like "%a%" order by s;
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#
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# NULLIF test
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#
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select nullif(u, 1) from t1;
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explain select nullif(u, 1) from t1;
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drop table t1;
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select nullif(1,'test');
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#
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# Bug 2629
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#
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select NULLIF(NULL,NULL), NULLIF(NULL,1), NULLIF(NULL,1.0), NULLIF(NULL,"test");
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select NULLIF(1,NULL), NULLIF(1.0, NULL), NULLIF("test", NULL);
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#
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# Problem with IF()
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#
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create table t1 (num double(12,2));
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insert into t1 values (144.54);
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select sum(if(num is null,0.00,num)) from t1;
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drop table t1;
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create table t1 (x int, y int);
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insert into t1 values (0,6),(10,16),(20,26),(30,10),(40,46),(50,56);
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select min(if(y -x > 5,y,NULL)), max(if(y - x > 5,y,NULL)) from t1;
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drop table t1;
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#
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# BUG#3987
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#
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create table t1 (a int);
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insert t1 values (1),(2);
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--source include/turn_off_only_full_group_by.inc
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select if(1>2,a,avg(a)) from t1;
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--source include/restore_sql_mode_after_turn_off_only_full_group_by.inc
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drop table t1;
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#
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# Bug #5595 NULLIF() IS NULL returns false if NULLIF() returns NULL
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#
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SELECT NULLIF(5,5) IS NULL, NULLIF(5,5) IS NOT NULL;
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#
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# Bug #9669 Ordering on IF function with FROM_UNIXTIME function fails
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#
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CREATE TABLE `t1` (
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`id` int(11) NOT NULL ,
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`date` int(10) default NULL,
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`text` varchar(32) NOT NULL
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);
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INSERT INTO t1 VALUES (1,1110000000,'Day 1'),(2,1111000000,'Day 2'),(3,1112000000,'Day 3');
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SELECT id, IF(date IS NULL, '-', FROM_UNIXTIME(date, '%d-%m-%Y')) AS date_ord, text FROM t1 ORDER BY date_ord ASC;
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SELECT id, IF(date IS NULL, '-', FROM_UNIXTIME(date, '%d-%m-%Y')) AS date_ord, text FROM t1 ORDER BY date_ord DESC;
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DROP TABLE t1;
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#
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# Test for bug #11142: evaluation of NULLIF when the first argument is NULL
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#
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CREATE TABLE t1 (a CHAR(10));
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INSERT INTO t1 VALUES ('aaa'), (NULL), (''), ('bbb');
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SELECT a, NULLIF(a,'') FROM t1;
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SELECT a, NULLIF(a,'') FROM t1 WHERE NULLIF(a,'') IS NULL;
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DROP TABLE t1;
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# End of 4.1 tests
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#
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# Bug #16272 IF function with decimal args can produce wrong result
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#
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create table t1 (f1 int, f2 int);
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insert into t1 values(1,1),(0,0);
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--source include/turn_off_only_full_group_by.inc
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select f1, f2, if(f1, 40.0, 5.00) from t1 group by f1 order by f2;
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--source include/restore_sql_mode_after_turn_off_only_full_group_by.inc
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drop table t1;
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#
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# Bug#24532 (The return data type of IS TRUE is different from similar
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# operations)
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#
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# IF(x, unsigned, unsigned) should be unsigned.
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#
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select if(0, 18446744073709551610, 18446744073709551610);
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#
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# Bug #37662: nested if() inside sum() is parsed in exponential time
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#
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CREATE TABLE t1(a DECIMAL(10,3));
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# check : should be fast. more than few secs means failure.
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SELECT t1.a,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,
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IF((ROUND(t1.a,2)=1), 2,0)))))))))))))))))))))))))))))) + 1
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FROM t1;
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DROP TABLE t1;
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#
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# Bug #40761: Assert on sum func on IF(..., CAST(longtext AS UNSIGNED), signed)
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# (was: LEFT JOIN on inline view crashes server)
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#
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CREATE TABLE t1 (c LONGTEXT);
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INSERT INTO t1 VALUES(1), (2), (3), (4), ('12345678901234567890');
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SELECT * FROM (SELECT MAX(IF(1, CAST(c AS UNSIGNED), 0)) FROM t1) AS te;
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SELECT * FROM (SELECT MAX(IFNULL(CAST(c AS UNSIGNED), 0)) FROM t1) AS te;
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DROP TABLE t1;
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--echo End of 5.0 tests
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--echo #
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--echo # Bug#55077: Assertion failed: width > 0 && to != ((void *)0), file .\dtoa.c
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--echo #
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CREATE TABLE t1 (a LONGBLOB, b DOUBLE);
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INSERT INTO t1 VALUES (NULL, 0), (NULL, 1);
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SELECT IF(b, (SELECT a FROM t1 LIMIT 1), b) c FROM t1 GROUP BY c;
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DROP TABLE t1;
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--echo #
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--echo # Bug#12620084
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--echo # ASSERTION WHEN CHECKING FIELD_TYPES[FIELD_POS] AND IT'S MYSQL_TYPE_NULL
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--echo #
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SELECT if(0, (SELECT min('hello')), NULL);
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SELECT if(1, (SELECT min('hello')), NULL);
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SELECT if(0, NULL, (SELECT min('hello')));
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SELECT if(1, NULL, (SELECT min('hello')));
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--echo #
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--echo # Bug#12532830
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--echo # SIGFPE OR ASSERTION (PRECISION <= ((9 * 9) - 8*2)) && (DEC <= 30)
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--echo #
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let $nines= 9999999999999999999999999999999999999;
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eval select
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sum(distinct(if('a',
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(select adddate(elt(convert($nines,decimal(64,0)),count(*)),
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interval 1 day))
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, .1))) as foo;
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--echo #
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--echo # Bug#22148586 IF(BOOL, DATE STR, DATE STR) THROWS ERROR IN UPDATE
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--echo #
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CREATE TABLE t1(c1 INT);
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INSERT INTO t1 VALUES(1);
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UPDATE t1 SET c1 = 2 WHERE IF(true, '2015-01-01', '2015-01-01') IS NOT NULL;
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DROP TABLE t1;
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--echo #
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--echo # Bug#24492965 ERROR RESULTS FROM CALCULATION
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--echo #
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CREATE TABLE test_grids_1 (
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unq_id int(11) NOT NULL DEFAULT '0',
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var_fld int(11) DEFAULT '0'
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);
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INSERT INTO test_grids_1 VALUES
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(1,4500),
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(2,6000);
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CREATE TABLE test_grid_dtl_1 (
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dtl_id int(11) NOT NULL DEFAULT '0',
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unq_id int(11) DEFAULT '0'
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);
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INSERT INTO test_grid_dtl_1 VALUES
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(1,1),
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(2,1),
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(3,2);
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SELECT g.calc_var, g.if_var, g.case_var
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FROM
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(
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SELECT unq_id,
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IF ( var_fld > 5000, ( 1 / var_fld ) , 5000 ) calc_var,
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IF ( var_fld > 5000, ( 00001 / var_fld ) , 5000 ) if_var,
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CASE var_fld > 5000 WHEN TRUE THEN ( 1 / var_fld ) ELSE 5000 END case_var
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FROM
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test_grids_1
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) g
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JOIN
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test_grid_dtl_1 d USING (unq_id)
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ORDER BY 1
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;
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DROP TABLE test_grids_1, test_grid_dtl_1;
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--echo # Bug#25669606: regression: assertion failed: !is_temporal()
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DO NULLIF(CAST(DATABASE() AS TIME), 1);
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DO NULLIF(CAST(DATABASE() AS DATE), 1);
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DO NULLIF(CAST(DATABASE() AS DATETIME), 1);
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--echo #
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--echo # Bug#28007237 NULLIF returns boolean in context of JSON_ARRAYAGG and JSON_OBJECTAGG's value
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--echo #
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SELECT NULLIF(1,2);
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SELECT JSON_ARRAYAGG(NULLIF(1,2));
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SELECT JSON_ARRAYAGG(CASE WHEN 1 = 2 THEN NULL ELSE 1 END);
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SELECT NULLIF(true,false);
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SELECT JSON_ARRAYAGG(NULLIF(true,false));
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SELECT JSON_ARRAYAGG(CASE WHEN true = false THEN NULL ELSE true END);
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