初版

build/lib/mysql/mysql-test/include/deadlock.inc

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+# include/deadlock.inc
+#
+# The variable
+#     $engine_type       -- storage engine to be tested
+# has to be set before sourcing this script.
+#
+# Last update:
+# 2006-07-26 ML refactoring + print when connection is switched
+#               old name was t/innodb-deadlock.test
+#               main code went into include/deadlock.inc
+#
+
+--echo # Establish connection con1 (user=root)
+connect (con1,localhost,root,,);
+--echo # Establish connection con2 (user=root)
+connect (con2,localhost,root,,);
+
+--disable_warnings
+drop table if exists t1,t2;
+--enable_warnings
+
+#
+# Testing of FOR UPDATE
+#
+
+--echo # Switch to connection con1
+connection con1;
+eval create table t1 (id integer, x integer) engine = $engine_type;
+insert into t1 values(0, 0);
+set autocommit=0;
+SELECT * from t1 where id = 0 FOR UPDATE;
+
+--echo # Switch to connection con2
+connection con2;
+set autocommit=0;
+
+# The following query should hang because con1 is locking the record
+--send
+update t1 set x=2 where id = 0;
+--sleep 2
+
+--echo # Switch to connection con1
+connection con1;
+update t1 set x=1 where id = 0;
+select * from t1;
+commit;
+
+--echo # Switch to connection con2
+connection con2;
+reap;
+commit;
+
+--echo # Switch to connection con1
+connection con1;
+select * from t1;
+commit;
+
+drop table t1;
+#
+# Testing of FOR UPDATE
+#
+
+--echo # Switch to connection con1
+connection con1;
+eval create table t1 (id integer, x integer) engine = $engine_type;
+eval create table t2 (b integer, a integer) engine = $engine_type;
+insert into t1 values(0, 0), (300, 300);
+insert into t2 values(0, 10), (1, 20), (2, 30);
+commit;
+set autocommit=0;
+select * from t2;
+update t2 set a=100 where b=(SELECT x from t1 where id = b FOR UPDATE);
+select * from t2;
+select * from t1;
+
+--echo # Switch to connection con2
+connection con2;
+set autocommit=0;
+
+# The following query should hang because con1 is locking the record
+--send
+update t1 set x=2 where id = 0;
+--sleep 2
+
+--echo # Switch to connection con1
+connection con1;
+update t1 set x=1 where id = 0;
+select * from t1;
+commit;
+
+--echo # Switch to connection con2
+connection con2;
+reap;
+commit;
+
+--echo # Switch to connection con1
+connection con1;
+select * from t1;
+commit;
+
+drop table t1, t2;
+eval create table t1 (id integer, x integer) engine = $engine_type;
+eval create table t2 (b integer, a integer) engine = $engine_type;
+insert into t1 values(0, 0), (300, 300);
+insert into t2 values(0, 0), (1, 20), (2, 30);
+commit;
+
+--echo # Switch to connection con1
+connection con1;
+select a,b from t2 UNION SELECT id, x from t1 FOR UPDATE;
+select * from t2;
+select * from t1;
+
+--echo # Switch to connection con2
+connection con2;
+
+# The following query should hang because con1 is locking the record
+update t2 set a=2 where b = 0;
+select * from t2;
+--send
+update t1 set x=2 where id = 0;
+--sleep 2
+
+--echo # Switch to connection con1
+connection con1;
+update t1 set x=1 where id = 0;
+select * from t1;
+commit;
+
+--echo # Switch to connection con2
+connection con2;
+reap;
+commit;
+
+--echo # Switch to connection con1
+connection con1;
+select * from t1;
+commit;
+
+# Cleanup
+--echo # Switch to connection default + disconnect con1 and con2
+connection default;
+disconnect con1;
+disconnect con2;
+drop table t1, t2;
+
+--echo End of 4.1 tests
+
+#
+# Bug#25164 create table `a` as select * from `A` hangs
+#
+
+set storage_engine=innodb;
+
+--disable_warnings
+drop table if exists a;
+drop table if exists A;
+--enable_warnings
+
+create table A (c int);
+insert into A (c) values (0);
+--error 0,ER_LOCK_DEADLOCK,ER_UPDATE_TABLE_USED
+create table a as select * from A;
+drop table A;
+
+--disable_warnings
+drop table if exists a;
+--enable_warnings
+
+set storage_engine=default;
+
+--echo End of 5.0 tests.