mirror of
https://github.com/MariaDB/server.git
synced 2025-11-04 04:46:15 +01:00
662 lines
18 KiB
Text
662 lines
18 KiB
Text
connect con1,localhost,root,,;
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connect con2,localhost,root,,;
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connection con1;
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drop table if exists t1,t2;
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drop database if exists mysqltest;
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create temporary table t1(n int not null primary key);
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create table t2(n int);
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insert into t2 values(3);
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connection con1;
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select * from t1;
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n
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3
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connection con2;
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flush tables with read lock and disable checkpoint;
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drop table t2;
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ERROR HY000: Can't execute the query because you have a conflicting read lock
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connection con1;
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drop table t2;
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connection con2;
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unlock tables;
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connection con1;
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connection con1;
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create database mysqltest;
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create table mysqltest.t1(n int);
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insert into mysqltest.t1 values (23);
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flush tables with read lock;
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connection con2;
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drop database mysqltest;
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connection con1;
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select * from mysqltest.t1;
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n
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23
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unlock tables;
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connection con2;
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connection con1;
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create table t1 (n int);
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flush tables with read lock;
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disconnect con1;
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connection con2;
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insert into t1 values (345);
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select * from t1;
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n
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345
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drop table t1;
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create table t1 (c1 int);
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lock table t1 write;
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flush tables with read lock;
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ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
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lock table t1 read;
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flush tables with read lock;
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ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
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unlock tables;
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flush tables with read lock;
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lock table t1 write;
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ERROR HY000: Can't execute the query because you have a conflicting read lock
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lock table t1 read;
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lock table t1 write;
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ERROR HY000: Can't execute the query because you have a conflicting read lock
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unlock tables;
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create table t2 (c1 int);
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create table t3 (c1 int);
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lock table t1 read, t2 read, t3 write;
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flush tables with read lock;
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ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
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lock table t1 read, t2 read, t3 read;
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flush tables with read lock;
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ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
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unlock tables;
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drop table t1, t2, t3;
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create table t1 (c1 int);
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create table t2 (c1 int);
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connect con1,localhost,root,,;
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connect con3,localhost,root,,;
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connection con1;
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lock table t1 write;
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connection con2;
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flush tables with read lock;
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connection con3;
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insert into t2 values(1);
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connection con1;
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unlock tables;
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disconnect con1;
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connection con2;
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disconnect con2;
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connection con3;
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disconnect con3;
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connection default;
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drop table t1, t2;
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drop table if exists t1, t2;
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set session low_priority_updates=1;
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create table t1 (a int);
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create table t2 (b int);
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lock tables t1 write;
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flush tables with read lock;
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ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
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unlock tables;
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lock tables t1 read, t2 write;
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flush tables with read lock;
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ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
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unlock tables;
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lock tables t1 read;
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flush tables with read lock;
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ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
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unlock tables;
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drop table t1, t2;
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set session low_priority_updates=default;
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connect con1,localhost,root,,;
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select benchmark(200, (select sin(1))) > 1000;
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disconnect con1;
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connection default;
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End of 5.0 tests
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set @old_general_log= @@general_log;
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set @old_read_only= @@read_only;
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set global general_log= on;
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flush tables with read lock;
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flush logs;
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unlock tables;
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set global read_only=1;
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flush logs;
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unlock tables;
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flush tables with read lock;
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flush logs;
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unlock tables;
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set global general_log= @old_general_log;
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set global read_only= @old_read_only;
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End of 5.1 tests
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#
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# Additional test for bug #51136 "Crash in pthread_rwlock_rdlock
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# on TEMPORARY + HANDLER + LOCK + SP".
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# Also see the main test for this bug in include/handler.inc.
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#
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drop tables if exists t1, t2;
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create table t1 (i int);
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create temporary table t2 (j int);
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flush tables with read lock;
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lock table t2 read;
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# This commit should not release any MDL locks.
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commit;
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# The below statement crashed before the bug fix as it
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# has attempted to release global shared metadata lock
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# which was already released by commit.
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unlock tables;
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drop tables t1, t2;
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#
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# Tests for WL#5000 FLUSH TABLES|TABLE table_list WITH READ LOCK
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#
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# I. Check the incompatible changes in the grammar.
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#
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flush tables with read lock, hosts;
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ' hosts' at line 1
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flush privileges, tables;
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'tables' at line 1
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flush privileges, tables with read lock;
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'tables with read lock' at line 1
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flush privileges, tables;
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'tables' at line 1
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flush tables with read lock, tables;
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ' tables' at line 1
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show tables;
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Tables_in_test
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#
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# II. Check the allowed syntax.
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#
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drop table if exists t1, t2, t3;
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create table t1 (a int);
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create table t2 (a int);
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create table t3 (a int);
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lock table t1 read, t2 read;
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flush tables with read lock;
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ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
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unlock tables;
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flush tables with read lock;
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flush tables t1, t2 with read lock;
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flush tables t1, t2 with read lock;
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ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
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flush tables with read lock;
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ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
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select * from t1;
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a
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select * from t2;
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a
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select * from t3;
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ERROR HY000: Table 't3' was not locked with LOCK TABLES
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insert into t1 (a) values (1);
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ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
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insert into t2 (a) values (1);
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ERROR HY000: Table 't2' was locked with a READ lock and can't be updated
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insert into t3 (a) values (1);
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ERROR HY000: Table 't3' was not locked with LOCK TABLES
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lock table no_such_table read;
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ERROR 42S02: Table 'test.no_such_table' doesn't exist
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#
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# We implicitly left the locked tables
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# mode but still have the read lock.
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#
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insert into t2 (a) values (1);
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ERROR HY000: Can't execute the query because you have a conflicting read lock
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unlock tables;
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insert into t1 (a) values (1);
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insert into t2 (a) values (1);
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flush table t1, t2 with read lock;
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select * from t1;
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a
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1
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select * from t2;
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a
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1
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select * from t3;
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ERROR HY000: Table 't3' was not locked with LOCK TABLES
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insert into t1 (a) values (2);
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ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
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insert into t2 (a) values (2);
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ERROR HY000: Table 't2' was locked with a READ lock and can't be updated
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insert into t3 (a) values (2);
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ERROR HY000: Table 't3' was not locked with LOCK TABLES
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lock table no_such_table read;
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ERROR 42S02: Table 'test.no_such_table' doesn't exist
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insert into t3 (a) values (2);
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#
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# III. Concurrent tests.
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#
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connect con1,localhost,root,,;
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#
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# Check that flush tables <list> with read lock
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# does not affect non-locked tables.
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connection default;
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#
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flush tables t1 with read lock;
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connection con1;
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select * from t1;
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a
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1
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select * from t2;
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a
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1
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insert into t2 (a) values (3);
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connection default;
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unlock tables;
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#
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# Check that "FLUSH TABLES <list> WITH READ LOCK" is
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# compatible with active "FLUSH TABLES WITH READ LOCK".
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# Vice versa it is not true, since tables read-locked by
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# "FLUSH TABLES <list> WITH READ LOCK" can't be flushed.
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flush tables with read lock;
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connection con1;
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flush table t1 with read lock;
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select * from t1;
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a
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1
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unlock tables;
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connection default;
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unlock tables;
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#
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# Check that FLUSH TABLES t1 WITH READ LOCK
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# does not conflict with an existing FLUSH TABLES t2
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# WITH READ LOCK.
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#
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flush table t1 with read lock;
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connection con1;
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flush table t2 with read lock;
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unlock tables;
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connection default;
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unlock tables;
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#
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# Check that FLUSH TABLES t1 WITH READ LOCK
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# does not conflict with SET GLOBAL read_only=1.
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#
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set global read_only=1;
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connection con1;
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flush table t1 with read lock;
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unlock tables;
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connection default;
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set global read_only=0;
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#
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# Check that it's possible to read-lock
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# tables locked with FLUSH TABLE <list> WITH READ LOCK.
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#
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flush tables t1, t2 with read lock;
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connection con1;
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lock table t1 read, t2 read;
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unlock tables;
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connection default;
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unlock tables;
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connection con1;
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disconnect con1;
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connection default;
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drop table t1, t2, t3;
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#
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# Bug#51710 FLUSH TABLES <view> WITH READ LOCK kills the server
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#
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drop view if exists v1, v2, v3;
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drop table if exists t1, v1;
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create table t1 (a int);
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create view v1 as select 1;
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create view v2 as select * from t1;
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create view v3 as select * from v2;
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flush table v1, v2, v3 with read lock;
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unlock tables;
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flush table v1 with read lock;
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unlock tables;
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flush table v2 with read lock;
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unlock tables;
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flush table v3 with read lock;
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unlock tables;
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create temporary table v1 (a int);
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flush table v1 with read lock;
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unlock tables;
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drop view v1;
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create table v1 (a int);
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flush table v1 with read lock;
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drop temporary table v1;
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unlock tables;
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drop view v2, v3;
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drop table t1, v1;
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#
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# FLUSH TABLES <list> WITH READ LOCK and HANDLER
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#
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drop table if exists t1;
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create table t1 (a int, key a (a));
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insert into t1 (a) values (1), (2), (3);
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handler t1 open;
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handler t1 read a next;
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a
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1
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handler t1 read a next;
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a
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2
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flush tables t1 with read lock;
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handler t1 read a next;
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ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
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unlock tables;
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handler t1 read a next;
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a
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3
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handler t1 close;
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drop table t1;
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#
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# Bug#52117 Pending FLUSH TALBES <list> aborts
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# transactions unnecessarily.
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#
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drop table if exists t1;
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connect con1,localhost,root,,;
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connect con2,localhost,root,,;
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connection default;
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create table t1 (a int);
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begin;
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select * from t1;
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a
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connection con1;
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#
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# Issue a LOCK TABLE t1 READ. We could use HANDLER t1 OPEN
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# or a long-running select -- anything that
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# prevents FLUSH TABLE t1 from immediate completion would do.
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#
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lock table t1 read;
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connection con2;
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#
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# FLUSH TABLE expels the table definition from the cache.
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# Sending 'flush table t1'...
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flush table t1;
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connection default;
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# Let flush table sync in.
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select * from t1;
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a
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connection con1;
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select * from t1;
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a
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unlock tables;
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connection default;
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select count(*) from information_schema.processlist where state = "Waiting for table metadata lock";
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count(*)
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1
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commit;
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connection con2;
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# Reaping 'flush table t1'...
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connection default;
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#
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# Repeat the same test but with FLUSH TABLES
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#
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begin;
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select * from t1;
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a
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connection con1;
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#
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# Issue a LOCK TABLE t1 READ.
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#
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lock table t1 read;
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connection con2;
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flush tables;
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connection default;
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select * from t1;
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a
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connection con1;
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select * from t1;
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a
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unlock tables;
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connection con2;
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# Reaping 'flush tables'...
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connection default;
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commit;
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# Cleanup
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connection con1;
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disconnect con1;
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connection con2;
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disconnect con2;
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connection default;
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drop table t1;
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#
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# Test for bug #55273 "FLUSH TABLE tm WITH READ LOCK for Merge table
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# causes assert failure".
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#
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drop table if exists t1, t2, tm;
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create table t1 (i int);
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create table t2 (i int);
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create table tm (i int) engine=merge union=(t1, t2);
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insert into t1 values (1), (2);
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insert into t2 values (3), (4);
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# The below statement should succeed and lock merge
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# table for read. Only merge table gets flushed and
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# not underlying tables.
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flush tables tm with read lock;
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select * from tm;
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i
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1
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2
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3
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4
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# Check that underlying tables are locked.
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select * from t1;
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i
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1
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2
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select * from t2;
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i
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3
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4
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unlock tables;
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# This statement should succeed as well and flush
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# all tables in the list.
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flush tables tm, t1, t2 with read lock;
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select * from tm;
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i
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1
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2
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3
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4
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# Naturally, underlying tables should be locked in this case too.
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select * from t1;
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i
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1
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2
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select * from t2;
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i
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3
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4
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unlock tables;
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drop tables tm, t1, t2;
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#
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# Test for bug #57006 "Deadlock between HANDLER and
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# FLUSH TABLES WITH READ LOCK".
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#
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drop table if exists t1, t2;
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connect con1,localhost,root,,;
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connect con2,localhost,root,,;
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connection default;
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create table t1 (i int);
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create table t2 (i int);
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handler t1 open;
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connection con1;
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flush tables with read lock;
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connection default;
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# The below statement should not cause deadlock.
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# Sending:
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insert into t2 values (1);
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connection con2;
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# Wait until INSERT starts to wait for FTWRL to go away.
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connection con1;
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unlock tables;
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connection default;
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# Reap INSERT.
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handler t1 close;
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# Cleanup.
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connection con1;
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disconnect con1;
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connection con2;
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disconnect con2;
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connection default;
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drop tables t1, t2;
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#
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# Bug#57649 FLUSH TABLES under FLUSH TABLES <list> WITH READ LOCK leads
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# to assert failure.
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#
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (a INT);
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FLUSH TABLES t1 WITH READ LOCK;
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FLUSH TABLES;
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ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
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CREATE TRIGGER t1_bi BEFORE INSERT ON t1 FOR EACH ROW SET @a= 1;
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ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
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ALTER TABLE t1 COMMENT 'test';
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ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
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UNLOCK TABLES;
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DROP TABLE t1;
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#
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# Test for bug #12641342 - "61401: UPDATE PERFORMANCE DEGRADES
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# GRADUALLY IF A TRIGGER EXISTS".
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#
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# One of side-effects of this bug was that a transaction which
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# involved DML statements requiring prelocking blocked concurrent
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# FLUSH TABLES WITH READ LOCK for the whole its duration, while
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# correct behavior in this case is to block FTWRL only for duration
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# of individual DML statements.
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (id INT PRIMARY KEY, value INT);
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INSERT INTO t1 VALUES (1, 1);
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CREATE TRIGGER t1_au AFTER UPDATE ON t1 FOR EACH ROW SET @var = "a";
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BEGIN;
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UPDATE t1 SET value= value + 1 WHERE id = 1;
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connect con1, localhost, root;
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# The below FLUSH TABLES WITH READ LOCK should succeed and
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# should not be blocked by the transaction in default connection.
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FLUSH TABLES WITH READ LOCK;
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UNLOCK TABLES;
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disconnect con1;
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connection default;
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COMMIT;
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DROP TABLE t1;
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#
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# Test flushing slave or relay logs twice
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#
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flush relay logs,relay logs;
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ERROR HY000: Incorrect usage of FLUSH and RELAY LOGS
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flush slave,slave;
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ERROR HY000: Incorrect usage of FLUSH and SLAVE
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#
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# MDEV-15890 Strange error message if you try to
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# FLUSH TABLES <view> after LOCK TABLES <view>.
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#
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CREATE TABLE t1 (qty INT, price INT);
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CREATE VIEW v1 AS SELECT qty, price, qty*price AS value FROM t1;
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LOCK TABLES v1 READ;
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FLUSH TABLES v1;
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ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
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UNLOCK TABLES;
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LOCK TABLES v1 WRITE;
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FLUSH TABLES v1;
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|
UNLOCK TABLES;
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|
LOCK TABLES v1 READ;
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FLUSH TABLES t1;
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ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
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|
UNLOCK TABLES;
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|
LOCK TABLES t1 READ;
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FLUSH TABLES v1;
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ERROR HY000: Table 'v1' was not locked with LOCK TABLES
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|
UNLOCK TABLES;
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|
DROP VIEW v1;
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|
DROP TABLE t1;
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|
#
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|
# MDEV-15888 Implement FLUSH TABLES tbl_name [, tbl_name] ... WITH READ LOCK for views.
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|
#
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|
create table t1 (a int);
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|
insert into t1 values (1), (2), (3);
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|
create view v1 as select * from t1;
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|
create view v2 as select * from v1;
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|
flush table v1 with read lock;
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|
connect con1, localhost, root;
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|
insert into v1 values (4);
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|
connection default;
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|
# Wait until INSERT starts to wait for FTWRL to go away.
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|
select * from t1;
|
|
a
|
|
1
|
|
2
|
|
3
|
|
unlock tables;
|
|
connection con1;
|
|
connection default;
|
|
select * from t1;
|
|
a
|
|
1
|
|
2
|
|
3
|
|
4
|
|
flush table v2 with read lock;
|
|
connection con1;
|
|
insert into t1 values (5);
|
|
connection default;
|
|
# Wait until INSERT starts to wait for FTWRL to go away.
|
|
select * from t1;
|
|
a
|
|
1
|
|
2
|
|
3
|
|
4
|
|
unlock tables;
|
|
connection con1;
|
|
connection default;
|
|
select * from t1;
|
|
a
|
|
1
|
|
2
|
|
3
|
|
4
|
|
5
|
|
drop view v1, v2;
|
|
drop table t1;
|
|
disconnect con1;
|
|
#
|
|
# MDEV-25837 Assertion `thd->locked_tables_mode == LTM_NONE' failed in Locked_tables_list::init_locked_tables.
|
|
#
|
|
CREATE FUNCTION f() RETURNS INTEGER RETURN 1;
|
|
CREATE TABLE t (a INT);
|
|
CREATE VIEW v AS SELECT 2 FROM t WHERE f() < 3;
|
|
FLUSH TABLE v WITH READ LOCK;
|
|
UNLOCK TABLES;
|
|
DROP VIEW v;
|
|
DROP FUNCTION f;
|
|
DROP TABLE t;
|
|
#
|
|
# Test FLUSH THREADS
|
|
#
|
|
set @save_thread_cache_size=@@global.thread_cache_size;
|
|
set @@global.thread_cache_size=0;
|
|
flush threads;
|
|
show status like "Threads_cached";
|
|
Variable_name Value
|
|
Threads_cached 0
|
|
set @@global.thread_cache_size=@save_thread_cache_size;
|
|
#
|
|
# MDEV-25906: SIGSEGV in flush_tables_with_read_lock on FTWRL or FTFE | SIGSEGV in ha_maria::extra
|
|
#
|
|
CREATE VIEW v0 AS SELECT 1;
|
|
CREATE VIEW v1 AS SELECT 1 FROM (SELECT 1) AS d;
|
|
CREATE VIEW v2 AS SELECT * FROM v1;
|
|
FLUSH TABLE v0 WITH READ LOCK;
|
|
DROP VIEW v0;
|
|
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
|
|
UNLOCK TABLES;
|
|
FLUSH TABLE v1 WITH READ LOCK;
|
|
DROP VIEW v1;
|
|
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
|
|
UNLOCK TABLES;
|
|
FLUSH TABLE v2 WITH READ LOCK;
|
|
DROP VIEW v2;
|
|
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
|
|
UNLOCK TABLES;
|
|
FLUSH TABLE v0 FOR EXPORT;
|
|
DROP VIEW v0;
|
|
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
|
|
UNLOCK TABLES;
|
|
FLUSH TABLE v1 FOR EXPORT;
|
|
DROP VIEW v1;
|
|
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
|
|
UNLOCK TABLES;
|
|
FLUSH TABLE v2 FOR EXPORT;
|
|
DROP VIEW v2;
|
|
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
|
|
UNLOCK TABLES;
|
|
DROP VIEW v2, v1, v0;
|
|
#
|
|
# End of 10.6 tests
|
|
#
|