test-example-projects/c++_projects/280w-mysql-8.0.18/mysql-test/t/locking_part.test

# Test of SKIP LOCKED and NOWAIT on partitioned tables.
# Must have same results as not partitioned tables.
--source include/count_sessions.inc

set @start_read_only= @@global.read_only;
set @start_autocommit= @@global.autocommit;
set @@global.autocommit= 0;
CREATE USER test@localhost;
grant CREATE, SELECT, UPDATE on *.* to test@localhost;
CREATE USER test2@localhost;
grant CREATE, SELECT, UPDATE on *.* to test2@localhost;
--enable_connect_log

connection default;

CREATE TABLE t1 (
a char(2) NOT NULL,
b char(2) NOT NULL,
c int(10) unsigned NOT NULL,
d varchar(255) DEFAULT NULL,
e varchar(1000) DEFAULT NULL,
PRIMARY KEY (a, b, c),
KEY (a),
KEY (a, b)
) charset latin1 PARTITION BY KEY (a) PARTITIONS 20;

INSERT INTO t1 (a, b, c, d, e) VALUES
('07', '03', 343, '1', '07_03_343'),
('01', '04', 343, '2', '01_04_343'),
('01', '06', 343, '3', '01_06_343'),
('01', '07', 343, '4', '01_07_343'),
('01', '08', 343, '5', '01_08_343'),
('01', '09', 343, '6', '01_09_343'),
('03', '03', 343, '7', '03_03_343'),
('03', '06', 343, '8', '03_06_343'),
('03', '07', 343, '9', '03_07_343'),
('04', '03', 343, '10', '04_03_343'),
('04', '06', 343, '11', '04_06_343'),
('05', '03', 343, '12', '05_03_343'),
('11', '03', 343, '13', '11_03_343'),
('11', '04', 343, '14', '11_04_343')
;

CREATE TABLE t2 (a int, name VARCHAR(50), purchased DATE)
PARTITION BY RANGE (a)
(PARTITION p0 VALUES LESS THAN (3),
 PARTITION p1 VALUES LESS THAN (7),
 PARTITION p2 VALUES LESS THAN (9),
 PARTITION p3 VALUES LESS THAN (11));
INSERT INTO t2 VALUES
(1, 'desk organiser', '2003-10-15'),
(2, 'CD player', '1993-11-05'),
(3, 'TV set', '1996-03-10'),
(4, 'bookcase', '1982-01-10'),
(5, 'exercise bike', '2004-05-09'),
(6, 'sofa', '1987-06-05'),
(7, 'popcorn maker', '2001-11-22'),
(8, 'acquarium', '1992-08-04'),
(9, 'study desk', '1984-09-16'),
(10, 'lava lamp', '1998-12-25');

CREATE TABLE t3 SELECT * FROM t1;
ALTER TABLE t3 ADD PRIMARY KEY (d);
ALTER TABLE t3 ADD KEY (a);
ALTER TABLE t3 ADD KEY (a, b);
#SELECT * FROM t3;

--echo ########################################################################
connect (con1,localhost,test,,test);
BEGIN;
SELECT d,a,b,c FROM t1 partition (p0);
SELECT d,a,b,c FROM t1 partition (p1);
SELECT d,a,b,c FROM t1 partition (p2);
SELECT d,a,b,c FROM t1 partition (p3);
SELECT d,a,b,c FROM t1 partition (p4);
SELECT d,a,b,c FROM t1 partition (p5);
SELECT d,a,b,c FROM t1 partition (p6);
SELECT d,a,b,c FROM t1 partition (p7);
SELECT d,a,b,c FROM t1 partition (p8);
SELECT d,a,b,c FROM t1 partition (p9);
SELECT d,a,b,c FROM t1 partition (p10);
SELECT d,a,b,c FROM t1 partition (p11);
SELECT d,a,b,c FROM t1 partition (p12);
SELECT d,a,b,c FROM t1 partition (p13);
SELECT d,a,b,c FROM t1 partition (p14);
SELECT d,a,b,c FROM t1 partition (p15);
SELECT d,a,b,c FROM t1 partition (p16);
SELECT d,a,b,c FROM t1 partition (p17);
SELECT d,a,b,c FROM t1 partition (p18);
SELECT d,a,b,c FROM t1 partition (p19);

SELECT * FROM t1 WHERE a='01' FOR UPDATE ;
SELECT * FROM t3 WHERE a='01' FOR UPDATE ;

connect (con2,localhost,test,,test);
BEGIN;
SET SESSION innodb_lock_wait_timeout=1;

--echo #
--echo #  SHARE ...
--error ER_LOCK_WAIT_TIMEOUT
SELECT * FROM t1 FOR SHARE;
--error ER_LOCK_NOWAIT
SELECT * FROM t1 FOR SHARE NOWAIT;
SELECT * FROM t1 ORDER BY d FOR SHARE SKIP LOCKED;
SELECT a,count(b) FROM t1 GROUP BY a ORDER BY a FOR SHARE SKIP LOCKED;
SELECT d,a,b,c FROM t1 partition (p1,p9,p11,p17) ORDER BY d 
   FOR SHARE SKIP LOCKED;
SELECT d,a,b,c FROM t1 ORDER BY d FOR SHARE SKIP LOCKED;
SELECT d,a,b,c FROM t3 ORDER BY d FOR SHARE SKIP LOCKED;
explain SELECT d,a,b,c FROM t3 ORDER BY d 
   FOR SHARE SKIP LOCKED;

--echo #
--echo #  UPDATE ...
--error ER_LOCK_WAIT_TIMEOUT
SELECT * FROM t1 FOR UPDATE;
--error ER_LOCK_NOWAIT
SELECT * FROM t1 FOR UPDATE NOWAIT;
SELECT * FROM t1 ORDER BY a FOR UPDATE SKIP LOCKED;
SELECT a,count(b) FROM t1 GROUP BY a ORDER BY a FOR UPDATE SKIP LOCKED;
SELECT d,a,b,c FROM t1 partition (p1,p9,p11,p17) ORDER BY d 
   FOR UPDATE SKIP LOCKED;
SELECT d,a,b,c FROM t1 ORDER BY d FOR UPDATE SKIP LOCKED;
SELECT d,a,b,c FROM t3 ORDER BY d FOR UPDATE SKIP LOCKED;

--echo #
--echo #  Dual locking clauses
--error ER_LOCK_WAIT_TIMEOUT
SELECT * FROM t1, t2 FOR SHARE OF t1 FOR UPDATE OF t2;
--error ER_LOCK_WAIT_TIMEOUT
SELECT * FROM t1, t2 FOR SHARE OF t1 FOR SHARE OF t2;
--error ER_LOCK_NOWAIT
SELECT * FROM t1 FOR SHARE OF t1 NOWAIT;
SELECT * FROM t1 FOR SHARE OF t1 SKIP LOCKED;
--error ER_LOCK_NOWAIT
SELECT * FROM t1, t2 FOR SHARE OF t1 NOWAIT FOR SHARE OF t2 NOWAIT;
COMMIT;

connection con1;
COMMIT;

connection con1;
BEGIN;
SELECT * FROM t1 WHERE a='01' FOR SHARE ;
SELECT * FROM t3 WHERE a='01' FOR SHARE ;

connection con2;
BEGIN;
SET SESSION innodb_lock_wait_timeout=1;

--echo #
--echo #  SHARE ...
SELECT * FROM t1 FOR SHARE;
SELECT * FROM t1 FOR SHARE NOWAIT;
SELECT * FROM t1 ORDER BY d FOR SHARE SKIP LOCKED;
SELECT a,count(b) FROM t1 GROUP BY a ORDER BY a FOR SHARE SKIP LOCKED;
SELECT d,a,b,c FROM t1 partition (p1,p9,p11,p17) ORDER BY d 
   FOR SHARE SKIP LOCKED;
SELECT d,a,b,c FROM t1 ORDER BY d FOR SHARE SKIP LOCKED;
SELECT d,a,b,c FROM t3 ORDER BY d FOR SHARE SKIP LOCKED;
explain SELECT d,a,b,c FROM t3 ORDER BY d 
   FOR SHARE SKIP LOCKED;

--echo #
--echo #  UPDATE ...
--error ER_LOCK_WAIT_TIMEOUT
SELECT * FROM t1 FOR UPDATE;
--error ER_LOCK_NOWAIT
SELECT * FROM t1 FOR UPDATE NOWAIT;
SELECT * FROM t1 ORDER BY a FOR UPDATE SKIP LOCKED;
SELECT a,count(b) FROM t1 GROUP BY a ORDER BY a FOR UPDATE SKIP LOCKED;
SELECT d,a,b,c FROM t1 partition (p1,p9,p11,p17) ORDER BY d 
   FOR UPDATE SKIP LOCKED;
SELECT d,a,b,c FROM t1 ORDER BY d FOR UPDATE SKIP LOCKED;
SELECT d,a,b,c FROM t3 ORDER BY d FOR UPDATE SKIP LOCKED;

--echo #
--echo #  Dual locking clauses
--sorted_result
SELECT * FROM t1, t2 FOR SHARE OF t1 FOR UPDATE OF t2;
--sorted_result
SELECT * FROM t1, t2 FOR SHARE OF t1 FOR SHARE OF t2;
SELECT * FROM t1 FOR SHARE OF t1 NOWAIT;
SELECT * FROM t1 FOR SHARE OF t1 SKIP LOCKED;
--sorted_result
SELECT * FROM t1, t2 FOR SHARE OF t1 NOWAIT FOR SHARE OF t2 NOWAIT;
COMMIT;

connection con1;
COMMIT;

connection default;
disconnect con1;
disconnect con2;

DROP TABLE t1, t2, t3;

--disable_connect_log

DROP USER test@localhost;
DROP USER test2@localhost;
set @@global.read_only= @start_read_only;
set @@global.autocommit= @start_autocommit;
--source include/wait_until_count_sessions.inc