mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 20:12:31 +01:00
703 lines
17 KiB
Text
703 lines
17 KiB
Text
connect (con1,localhost,root,,);
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connect (con2,localhost,root,,);
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connection con1;
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--disable_warnings
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drop table if exists t1,t2;
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drop database if exists mysqltest;
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--enable_warnings
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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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let $1=100;
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disable_query_log;
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while ($1)
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{
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connection con1;
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send replace into t1 select n from t2;
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connection con2;
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send flush tables;
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connection con1;
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reap;
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connection con2;
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reap;
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dec $1;
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}
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enable_query_log;
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connection con1;
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select * from t1;
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connection con2;
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flush tables with read lock and disable checkpoint;
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--error 1223
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drop table t2;
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connection con1;
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send 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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reap;
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#test if drop database will wait until we release the global read lock
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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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send drop database mysqltest;
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connection con1;
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select * from mysqltest.t1;
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unlock tables;
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connection con2;
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reap;
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# test if dirty close releases global read lock
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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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dirty_close 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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drop table t1;
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#
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# Bug#9459 - deadlock with flush with lock, and lock table write
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#
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create table t1 (c1 int);
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lock table t1 write;
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# Cannot get the global read lock with write locked tables.
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--error ER_LOCK_OR_ACTIVE_TRANSACTION
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flush tables with read lock;
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lock table t1 read;
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# Cannot get the global read lock with read locked tables.
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--error ER_LOCK_OR_ACTIVE_TRANSACTION
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flush tables with read lock;
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unlock tables;
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flush tables with read lock;
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--error 1223
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lock table t1 write;
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lock table t1 read;
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--error 1223
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lock table t1 write;
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# Release all table locks and the global 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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# Cannot get the global read lock with write locked tables.
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--error ER_LOCK_OR_ACTIVE_TRANSACTION
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flush tables with read lock;
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lock table t1 read, t2 read, t3 read;
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# Cannot get the global read lock with read locked tables.
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--error ER_LOCK_OR_ACTIVE_TRANSACTION
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flush tables with read lock;
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unlock tables;
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drop table t1, t2, t3;
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# End of 4.1 tests
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#
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# Test of deadlock problem when doing FLUSH TABLE with read lock
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# (Bug was in NTPL threads in Linux when using different mutex while
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# waiting for a condtion variable)
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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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send flush tables with read lock;
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--sleep 1
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connection con3;
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send insert into t2 values(1);
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--sleep 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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reap;
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disconnect con2;
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connection con3;
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# It hangs here (insert into t2 does not end).
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reap;
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disconnect con3;
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connection default;
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drop table t1, t2;
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#
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# Bug#32528 Global read lock with a low priority write lock causes a server crash
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#
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--disable_warnings
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drop table if exists t1, t2;
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--enable_warnings
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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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--error ER_LOCK_OR_ACTIVE_TRANSACTION
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flush tables with read lock;
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unlock tables;
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lock tables t1 read, t2 write;
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--error ER_LOCK_OR_ACTIVE_TRANSACTION
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flush tables with read lock;
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unlock tables;
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lock tables t1 read;
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--error ER_LOCK_OR_ACTIVE_TRANSACTION
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flush tables with read lock;
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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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#
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# Bug #33334 mysqltest_embedded crashes when disconnecting before reap
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#
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connect (con1,localhost,root,,);
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send select benchmark(200, (select sin(1))) > 1000;
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disconnect con1;
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--source include/wait_until_disconnected.inc
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connection default;
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--echo End of 5.0 tests
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#
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# Bug #26380: LOCK TABLES + FLUSH LOGS causes deadlock
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#
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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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--echo End of 5.1 tests
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--echo #
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--echo # Additional test for bug #51136 "Crash in pthread_rwlock_rdlock
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--echo # on TEMPORARY + HANDLER + LOCK + SP".
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--echo # Also see the main test for this bug in include/handler.inc.
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--echo #
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--disable_warnings
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drop tables if exists t1, t2;
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--enable_warnings
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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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--echo # This commit should not release any MDL locks.
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commit;
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--echo # The below statement crashed before the bug fix as it
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--echo # has attempted to release global shared metadata lock
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--echo # which was already released by commit.
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unlock tables;
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drop tables t1, t2;
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--echo #
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--echo # Tests for WL#5000 FLUSH TABLES|TABLE table_list WITH READ LOCK
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--echo #
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--echo # I. Check the incompatible changes in the grammar.
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--echo #
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--error ER_PARSE_ERROR
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flush tables with read lock, hosts;
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--error ER_PARSE_ERROR
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flush privileges, tables;
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--error ER_PARSE_ERROR
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flush privileges, tables with read lock;
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--error ER_PARSE_ERROR
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flush privileges, tables;
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--error ER_PARSE_ERROR
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flush tables with read lock, tables;
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show tables;
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--echo #
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--echo # II. Check the allowed syntax.
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--echo #
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--disable_warnings
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drop table if exists t1, t2, t3;
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--enable_warnings
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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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--error ER_LOCK_OR_ACTIVE_TRANSACTION
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flush tables with read lock;
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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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--error ER_LOCK_OR_ACTIVE_TRANSACTION
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flush tables t1, t2 with read lock;
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--error ER_LOCK_OR_ACTIVE_TRANSACTION
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flush tables with read lock;
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select * from t1;
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select * from t2;
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--error ER_TABLE_NOT_LOCKED
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select * from t3;
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--error ER_TABLE_NOT_LOCKED_FOR_WRITE
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insert into t1 (a) values (1);
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--error ER_TABLE_NOT_LOCKED_FOR_WRITE
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insert into t2 (a) values (1);
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--error ER_TABLE_NOT_LOCKED
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insert into t3 (a) values (1);
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--error ER_NO_SUCH_TABLE
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lock table no_such_table read;
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--echo #
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--echo # We implicitly left the locked tables
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--echo # mode but still have the read lock.
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--echo #
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--error ER_CANT_UPDATE_WITH_READLOCK
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insert into t2 (a) values (1);
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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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select * from t2;
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--error ER_TABLE_NOT_LOCKED
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select * from t3;
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--error ER_TABLE_NOT_LOCKED_FOR_WRITE
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insert into t1 (a) values (2);
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--error ER_TABLE_NOT_LOCKED_FOR_WRITE
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insert into t2 (a) values (2);
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--error ER_TABLE_NOT_LOCKED
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insert into t3 (a) values (2);
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--error ER_NO_SUCH_TABLE
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lock table no_such_table read;
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insert into t3 (a) values (2);
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--echo #
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--echo # III. Concurrent tests.
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--echo #
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connect (con1,localhost,root,,);
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--echo # --> connection default
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--echo #
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--echo # Check that flush tables <list> with read lock
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--echo # does not affect non-locked tables.
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connection default;
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--echo #
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flush tables t1 with read lock;
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--echo # --> connection con1;
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connection con1;
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select * from t1;
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select * from t2;
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insert into t2 (a) values (3);
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--echo # --> connection default;
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connection default;
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unlock tables;
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--echo #
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--echo # Check that "FLUSH TABLES <list> WITH READ LOCK" is
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--echo # compatible with active "FLUSH TABLES WITH READ LOCK".
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--echo # Vice versa it is not true, since tables read-locked by
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--echo # "FLUSH TABLES <list> WITH READ LOCK" can't be flushed.
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flush tables with read lock;
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--echo # --> connection con1;
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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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unlock tables;
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--echo # --> connection default;
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connection default;
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unlock tables;
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--echo #
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--echo # Check that FLUSH TABLES t1 WITH READ LOCK
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--echo # does not conflict with an existing FLUSH TABLES t2
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--echo # WITH READ LOCK.
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--echo #
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flush table t1 with read lock;
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--echo # --> connection con1
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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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--echo # --> connection default
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connection default;
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unlock tables;
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--echo #
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--echo # Check that FLUSH TABLES t1 WITH READ LOCK
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--echo # does not conflict with SET GLOBAL read_only=1.
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--echo #
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set global read_only=1;
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--echo # connection con1
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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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--echo # connection default
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connection default;
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set global read_only=0;
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--echo #
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--echo # Check that it's possible to read-lock
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--echo # tables locked with FLUSH TABLE <list> WITH READ LOCK.
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--echo #
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flush tables t1, t2 with read lock;
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--echo # connection con1
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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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--echo # connection default
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connection default;
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unlock tables;
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--echo # --> connection con1
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connection con1;
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disconnect con1;
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--source include/wait_until_disconnected.inc
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connection default;
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drop table t1, t2, t3;
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--echo #
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--echo # Bug#51710 FLUSH TABLES <view> WITH READ LOCK kills the server
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--echo #
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--disable_warnings
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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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--enable_warnings
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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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--error ER_WRONG_OBJECT
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flush table v1, v2, v3 with read lock;
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--error ER_WRONG_OBJECT
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flush table v1 with read lock;
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--error ER_WRONG_OBJECT
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flush table v2 with read lock;
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--error ER_WRONG_OBJECT
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flush table v3 with read lock;
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create temporary table v1 (a int);
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--error ER_WRONG_OBJECT
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flush table v1 with read lock;
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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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--echo #
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--echo # FLUSH TABLES <list> WITH READ LOCK and HANDLER
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--echo #
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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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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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handler t1 read a next;
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flush tables t1 with read lock;
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--error ER_LOCK_OR_ACTIVE_TRANSACTION
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handler t1 read a next;
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unlock tables;
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--echo #
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--echo # Sic: lost handler position.
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--echo #
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handler t1 read a next;
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handler t1 close;
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drop table t1;
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--echo #
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--echo # Bug#52117 Pending FLUSH TALBES <list> aborts
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--echo # transactions unnecessarily.
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--echo #
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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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connect (con1,localhost,root,,);
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connect (con2,localhost,root,,);
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--echo # --> conection default
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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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--echo # --> connection con1
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connection con1;
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--echo #
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--echo # Issue a LOCK TABLE t1 READ. We could use HANDLER t1 OPEN
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--echo # or a long-running select -- anything that
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--echo # prevents FLUSH TABLE t1 from immediate completion would do.
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--echo #
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lock table t1 read;
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--echo # --> connection con2
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connection con2;
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--echo #
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--echo # FLUSH TABLE expels the table definition from the cache.
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--echo # Sending 'flush table t1'...
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send flush table t1;
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--echo # --> connection default
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connection default;
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--echo # Let flush table sync in.
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let $wait_condition=
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select count(*) = 1 from information_schema.processlist
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where state = "Waiting for table flush"
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and info = "flush table t1";
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--source include/wait_condition.inc
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send select * from t1;
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--echo # --> connection con1
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connection con1;
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let $wait_condition=
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select count(*) = 1 from information_schema.processlist
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where state = "Waiting for table flush"
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and info = "select * from t1";
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select * from t1;
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unlock tables;
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--echo # --> connection con2
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connection con2;
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--echo # Reaping 'flush table t1'...
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reap;
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--echo # --> connection default
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connection default;
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--echo # Reaping 'select * from t1'...
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reap;
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commit;
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--echo #
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--echo # Repeat the same test but with FLUSH TABLES
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--echo #
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begin;
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select * from t1;
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--echo # --> connection con1
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connection con1;
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--echo #
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--echo # Issue a LOCK TABLE t1 READ.
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--echo #
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lock table t1 read;
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--echo # --> connection con2
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connection con2;
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--echo #
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--echo # FLUSH TABLES expels the table definition from the cache.
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--echo # Sending 'flush tables'...
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send flush tables;
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--echo # --> connection default
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connection default;
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--echo # Let flush table sync in.
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let $wait_condition=
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select count(*) = 1 from information_schema.processlist
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where state = "Waiting for table flush"
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and info = "flush tables";
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--source include/wait_condition.inc
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send select * from t1;
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--echo # --> connection con1
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connection con1;
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let $wait_condition=
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select count(*) = 1 from information_schema.processlist
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where state = "Waiting for table flush"
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and info = "select * from t1";
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select * from t1;
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unlock tables;
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--echo # --> connection con2
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connection con2;
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--echo # Reaping 'flush tables'...
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reap;
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--echo # --> connection default
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connection default;
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--echo # Reaping 'select * from t1'...
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reap;
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commit;
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--echo # Cleanup
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--echo # --> connection con1
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connection con1;
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disconnect con1;
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--source include/wait_until_disconnected.inc
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--echo # --> connection con2
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connection con2;
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disconnect con2;
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--source include/wait_until_disconnected.inc
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--echo # --> connection default
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connection default;
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drop table t1;
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--echo #
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--echo # Test for bug #55273 "FLUSH TABLE tm WITH READ LOCK for Merge table
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--echo # causes assert failure".
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--echo #
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--disable_warnings
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drop table if exists t1, t2, tm;
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--enable_warnings
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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);
|
|
--echo # The below statement should succeed and lock merge
|
|
--echo # table for read. Only merge table gets flushed and
|
|
--echo # not underlying tables.
|
|
flush tables tm with read lock;
|
|
select * from tm;
|
|
--echo # Check that underlying tables are locked.
|
|
select * from t1;
|
|
select * from t2;
|
|
unlock tables;
|
|
--echo # This statement should succeed as well and flush
|
|
--echo # all tables in the list.
|
|
flush tables tm, t1, t2 with read lock;
|
|
select * from tm;
|
|
--echo # Naturally, underlying tables should be locked in this case too.
|
|
select * from t1;
|
|
select * from t2;
|
|
unlock tables;
|
|
drop tables tm, t1, t2;
|
|
|
|
|
|
--echo #
|
|
--echo # Test for bug #57006 "Deadlock between HANDLER and
|
|
--echo # FLUSH TABLES WITH READ LOCK".
|
|
--echo #
|
|
--disable_warnings
|
|
drop table if exists t1, t2;
|
|
--enable_warnings
|
|
connect (con1,localhost,root,,);
|
|
connect (con2,localhost,root,,);
|
|
connection default;
|
|
create table t1 (i int);
|
|
create table t2 (i int);
|
|
handler t1 open;
|
|
|
|
--echo # Switching to connection 'con1'.
|
|
connection con1;
|
|
--echo # Sending:
|
|
--send flush tables with read lock
|
|
|
|
--echo # Switching to connection 'con2'.
|
|
connection con2;
|
|
--echo # Wait until FTWRL starts waiting for 't1' to be closed.
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Waiting for table flush"
|
|
and info = "flush tables with read lock";
|
|
--source include/wait_condition.inc
|
|
|
|
--echo # Switching to connection 'default'.
|
|
connection default;
|
|
--echo # The below statement should not cause deadlock.
|
|
--echo # Sending:
|
|
--send insert into t2 values (1)
|
|
|
|
--echo # Switching to connection 'con2'.
|
|
connection con2;
|
|
--echo # Wait until INSERT starts to wait for FTWRL to go away.
|
|
let $wait_condition=
|
|
select count(*) = 1 from information_schema.processlist
|
|
where state = "Waiting for global read lock"
|
|
and info = "insert into t2 values (1)";
|
|
--source include/wait_condition.inc
|
|
|
|
--echo # Switching to connection 'con1'.
|
|
connection con1;
|
|
--echo # FTWRL should be able to continue now.
|
|
--echo # Reap FTWRL.
|
|
--reap
|
|
unlock tables;
|
|
|
|
--echo # Switching to connection 'default'.
|
|
connection default;
|
|
--echo # Reap INSERT.
|
|
--reap
|
|
handler t1 close;
|
|
|
|
--echo # Cleanup.
|
|
connection con1;
|
|
disconnect con1;
|
|
--source include/wait_until_disconnected.inc
|
|
connection con2;
|
|
disconnect con2;
|
|
--source include/wait_until_disconnected.inc
|
|
connection default;
|
|
drop tables t1, t2;
|
|
|
|
|
|
--echo #
|
|
--echo # Bug#57649 FLUSH TABLES under FLUSH TABLES <list> WITH READ LOCK leads
|
|
--echo # to assert failure.
|
|
--echo #
|
|
|
|
--disable_warnings
|
|
DROP TABLE IF EXISTS t1;
|
|
--enable_warnings
|
|
|
|
CREATE TABLE t1 (a INT);
|
|
FLUSH TABLES t1 WITH READ LOCK;
|
|
|
|
# All these triggered the assertion
|
|
--error ER_TABLE_NOT_LOCKED_FOR_WRITE
|
|
FLUSH TABLES;
|
|
--error ER_TABLE_NOT_LOCKED_FOR_WRITE
|
|
CREATE TRIGGER t1_bi BEFORE INSERT ON t1 FOR EACH ROW SET @a= 1;
|
|
--error ER_TABLE_NOT_LOCKED_FOR_WRITE
|
|
ALTER TABLE t1 COMMENT 'test';
|
|
|
|
UNLOCK TABLES;
|
|
DROP TABLE t1;
|
|
|
|
|
|
--echo #
|
|
--echo # Test for bug #12641342 - "61401: UPDATE PERFORMANCE DEGRADES
|
|
--echo # GRADUALLY IF A TRIGGER EXISTS".
|
|
--echo #
|
|
--echo # One of side-effects of this bug was that a transaction which
|
|
--echo # involved DML statements requiring prelocking blocked concurrent
|
|
--echo # FLUSH TABLES WITH READ LOCK for the whole its duration, while
|
|
--echo # correct behavior in this case is to block FTWRL only for duration
|
|
--echo # of individual DML statements.
|
|
--disable_warnings
|
|
DROP TABLE IF EXISTS t1;
|
|
--enable_warnings
|
|
CREATE TABLE t1 (id INT PRIMARY KEY, value INT);
|
|
INSERT INTO t1 VALUES (1, 1);
|
|
CREATE TRIGGER t1_au AFTER UPDATE ON t1 FOR EACH ROW SET @var = "a";
|
|
BEGIN;
|
|
UPDATE t1 SET value= value + 1 WHERE id = 1;
|
|
|
|
--echo # Switching to connection 'con1'.
|
|
connect(con1, localhost, root);
|
|
--echo # The below FLUSH TABLES WITH READ LOCK should succeed and
|
|
--echo # should not be blocked by the transaction in default connection.
|
|
FLUSH TABLES WITH READ LOCK;
|
|
UNLOCK TABLES;
|
|
disconnect con1;
|
|
--source include/wait_until_disconnected.inc
|
|
|
|
--echo # Switching to connection 'default'.
|
|
connection default;
|
|
COMMIT;
|
|
DROP TABLE t1;
|