222 lines
5.6 KiB
Plaintext
222 lines
5.6 KiB
Plaintext
--echo # Test of SKIP LOCKED and NOWAIT on read only database.
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--source include/count_sessions.inc
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set @start_read_only= @@global.read_only;
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set @start_autocommit= @@global.autocommit;
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set @@global.autocommit= 0;
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CREATE USER test@localhost;
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grant CREATE, SELECT, UPDATE on *.* to test@localhost;
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CREATE USER test2@localhost;
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grant CREATE, SELECT, UPDATE on *.* to test2@localhost;
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--enable_connect_log
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connection default;
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CREATE TABLE t1 ( a INT, b INT) ENGINE=InnoDB;
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INSERT INTO t1 VALUES (1, 1);
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INSERT INTO t1 VALUES (2, 2);
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INSERT INTO t1 VALUES (3, 3);
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CREATE VIEW v1 AS SELECT * FROM t1;
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CREATE TABLE t2 ( a INT) ENGINE=InnoDB;
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INSERT INTO t2 VALUES (10);
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INSERT INTO t2 VALUES (20);
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INSERT INTO t2 VALUES (30);
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ALTER TABLE t1 ADD PRIMARY KEY (a);
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--echo ########################################################################
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--echo # SELECT ... FOR UPDATE is only locking row with a=2
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connect (con1,localhost,test,,test);
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BEGIN;
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SELECT * FROM t1 WHERE a=2 FOR UPDATE ;
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connect (con2,localhost,test2,,test);
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BEGIN;
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SET SESSION innodb_lock_wait_timeout=1;
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--echo #
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--echo # UPDATE ...
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--error ER_LOCK_WAIT_TIMEOUT
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SELECT * FROM t1 FOR UPDATE;
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--error ER_LOCK_NOWAIT
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SELECT * FROM t1 FOR UPDATE NOWAIT;
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SELECT * FROM t1 FOR UPDATE SKIP LOCKED;
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--echo #
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--echo # SHARE ...
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--error ER_LOCK_WAIT_TIMEOUT
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SELECT * FROM t1 FOR SHARE;
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--error ER_LOCK_NOWAIT
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SELECT * FROM t1 FOR SHARE NOWAIT;
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SELECT * FROM t1 FOR SHARE SKIP LOCKED;
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--echo #
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--echo # Dual locking clauses
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--error ER_LOCK_WAIT_TIMEOUT
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SELECT * FROM t1, t2 FOR SHARE OF t1 FOR UPDATE OF t2;
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--error ER_LOCK_WAIT_TIMEOUT
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SELECT * FROM t1, t2 FOR SHARE OF t1 FOR SHARE OF t2;
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--error ER_LOCK_NOWAIT
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SELECT * FROM t1 FOR SHARE OF t1 NOWAIT;
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SELECT * FROM t1 FOR SHARE OF t1 SKIP LOCKED;
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--error ER_LOCK_NOWAIT
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SELECT * FROM t1, t2 FOR SHARE OF t1 NOWAIT FOR SHARE OF t2 NOWAIT;
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COMMIT;
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connection default;
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set global read_only=ON;
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--echo ########################################################################
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--echo # SELECT ... FOR UPDATE on a readonly db (with key)
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connection con2;
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BEGIN;
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--echo #
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--echo # UPDATE ...
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--error ER_OPTION_PREVENTS_STATEMENT
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SELECT * FROM t1 FOR UPDATE;
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--error ER_OPTION_PREVENTS_STATEMENT
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SELECT * FROM t1 FOR UPDATE NOWAIT;
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--error ER_OPTION_PREVENTS_STATEMENT
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SELECT * FROM t1 FOR UPDATE SKIP LOCKED;
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--echo #
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--echo # SHARE ...
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--error ER_LOCK_WAIT_TIMEOUT
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SELECT * FROM t1 FOR SHARE;
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--error ER_LOCK_NOWAIT
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SELECT * FROM t1 FOR SHARE NOWAIT;
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SELECT * FROM t1 FOR SHARE SKIP LOCKED;
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--echo #
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--echo # Dual locking clauses
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--error ER_OPTION_PREVENTS_STATEMENT
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SELECT * FROM t1, t2 FOR SHARE OF t1 FOR UPDATE OF t2;
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--error ER_LOCK_WAIT_TIMEOUT
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SELECT * FROM t1, t2 FOR SHARE OF t1 FOR SHARE OF t2;
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--error ER_LOCK_NOWAIT
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SELECT * FROM t1 FOR SHARE OF t1 NOWAIT;
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SELECT * FROM t1 FOR SHARE OF t1 SKIP LOCKED;
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--error ER_LOCK_NOWAIT
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SELECT * FROM t1, t2 FOR SHARE OF t1 NOWAIT FOR SHARE OF t2 NOWAIT;
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COMMIT;
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connection con1;
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COMMIT;
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connection default;
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set global read_only=OFF;
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connection con1;
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--echo ########################################################################
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--echo # SELECT ... FOR SHARE is locking (with key)
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connection con1;
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BEGIN;
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SELECT * FROM t1 WHERE a=2 FOR SHARE ;
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connection default;
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set global read_only=ON;
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connection con2;
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BEGIN;
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SET SESSION innodb_lock_wait_timeout=1;
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--echo #
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--echo # UPDATE ...
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--error ER_OPTION_PREVENTS_STATEMENT
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SELECT * FROM t1 FOR UPDATE;
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--error ER_OPTION_PREVENTS_STATEMENT
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SELECT * FROM t1 FOR UPDATE NOWAIT;
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--error ER_OPTION_PREVENTS_STATEMENT
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SELECT * FROM t1 FOR UPDATE SKIP LOCKED;
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--echo #
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--echo # SHARE ...
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SELECT * FROM t1 FOR SHARE;
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SELECT * FROM t1 FOR SHARE NOWAIT;
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SELECT * FROM t1 FOR SHARE SKIP LOCKED;
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--echo #
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--echo # Dual locking clauses
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--error ER_OPTION_PREVENTS_STATEMENT
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SELECT * FROM t1, t2 FOR SHARE OF t1 FOR UPDATE OF t2;
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--sorted_result
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SELECT * FROM t1, t2 FOR SHARE OF t1 FOR SHARE OF t2;
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SELECT * FROM t1 FOR SHARE OF t1 NOWAIT;
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SELECT * FROM t1 FOR SHARE OF t1 SKIP LOCKED;
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--sorted_result
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SELECT * FROM t1, t2 FOR SHARE OF t1 NOWAIT FOR SHARE OF t2 NOWAIT;
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COMMIT;
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connection con1;
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COMMIT;
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connection default;
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set global read_only=OFF;
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--echo ########################################################################
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--echo # SELECT ... FOR SHARE OF ... FOR UPDATE OF ...
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connection con1;
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BEGIN;
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--sorted_result
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SELECT * FROM t1, t2 FOR UPDATE OF t1 FOR SHARE OF t2;
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connection default;
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set global read_only=ON;
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connection con2;
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BEGIN;
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SET SESSION innodb_lock_wait_timeout=1;
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--echo #
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--echo # UPDATE ...
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--error ER_OPTION_PREVENTS_STATEMENT
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SELECT * FROM t1 FOR UPDATE;
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--error ER_OPTION_PREVENTS_STATEMENT
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SELECT * FROM t1 FOR UPDATE NOWAIT;
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--error ER_OPTION_PREVENTS_STATEMENT
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SELECT * FROM t1 FOR UPDATE SKIP LOCKED;
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--echo #
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--echo # SHARE ...
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--error ER_LOCK_WAIT_TIMEOUT
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SELECT * FROM t1 FOR SHARE;
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--error ER_LOCK_NOWAIT
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SELECT * FROM t1 FOR SHARE NOWAIT;
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SELECT * FROM t1 FOR SHARE SKIP LOCKED;
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--echo #
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--echo # Dual locking clauses
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--error ER_OPTION_PREVENTS_STATEMENT
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SELECT * FROM t1, t2 FOR SHARE OF t1 FOR UPDATE OF t2;
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--error ER_LOCK_WAIT_TIMEOUT
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SELECT * FROM t1, t2 FOR SHARE OF t1 FOR SHARE OF t2;
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--error ER_LOCK_NOWAIT
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SELECT * FROM t1 FOR SHARE OF t1 NOWAIT;
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SELECT * FROM t1 FOR SHARE OF t1 SKIP LOCKED;
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--error ER_LOCK_NOWAIT
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SELECT * FROM t1, t2 FOR SHARE OF t1 NOWAIT FOR SHARE OF t2 NOWAIT;
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COMMIT;
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connection con1;
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COMMIT;
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connection default;
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set global read_only=OFF;
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connection default;
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disconnect con1;
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disconnect con2;
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DROP VIEW v1;
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DROP TABLE t1, t2;
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--disable_connect_log
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DROP USER test@localhost;
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DROP USER test2@localhost;
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set @@global.read_only= @start_read_only;
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set @@global.autocommit= @start_autocommit;
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--source include/wait_until_count_sessions.inc
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