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4ddb48c619
Necessary code added to mysqltest.c. Disabled tests are available now. client/mysqltest.c: do_send_query function implemented, so now 'send' command will be run in separate thread for the embedded server. Mutex and condition added to the 'connection' struct for syncronisation purposes. Yes it'd be easier if we had pthread_join() command libmysql/libmysql.c: this isn't actually needed and causes problems in embedded server mysql-test/t/bdb-deadlock.test: test is available for the embedded server now mysql-test/t/flush.test: test is available for the embedded server now mysql-test/t/flush_block_commit.test: test is available for the embedded server now mysql-test/t/innodb-deadlock.test: test is available for the embedded server now mysql-test/t/innodb-lock.test: test is available for the embedded server now mysql-test/t/lock_multi.test: test is available for the embedded server now mysql-test/t/rename.test: test is available for the embedded server now mysql-test/t/show_check.test: test is available for the embedded server now mysql-test/t/status.test: test is available for the embedded server now
90 lines
1.7 KiB
Text
90 lines
1.7 KiB
Text
--disable_warnings
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drop table if exists t1,t2;
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--enable_warnings
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# Test to see if select will get the lock ahead of low priority update
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connect (locker,localhost,root,,);
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connect (reader,localhost,root,,);
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connect (writer,localhost,root,,);
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connection locker;
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create table t1(n int);
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insert into t1 values (1);
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lock tables t1 write;
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connection writer;
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send update low_priority t1 set n = 4;
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connection reader;
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--sleep 2
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send select n from t1;
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connection locker;
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--sleep 2
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unlock tables;
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connection writer;
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reap;
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connection reader;
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reap;
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drop table t1;
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connection locker;
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create table t1(n int);
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insert into t1 values (1);
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lock tables t1 read;
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connection writer;
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send update low_priority t1 set n = 4;
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connection reader;
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--sleep 2
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send select n from t1;
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connection locker;
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--sleep 2
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unlock tables;
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connection writer;
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reap;
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connection reader;
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reap;
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drop table t1;
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#
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# Test problem when using locks with multi-updates
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# It should not block when multi-update is reading on a read-locked table
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#
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connection locker;
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create table t1 (a int, b int);
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create table t2 (c int, d int);
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insert into t1 values(1,1);
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insert into t1 values(2,2);
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insert into t2 values(1,2);
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lock table t1 read;
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connection writer;
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--sleep 2
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send update t1,t2 set c=a where b=d;
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connection reader;
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--sleep 2
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select c from t2;
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connection writer;
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reap;
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connection locker;
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drop table t1;
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drop table t2;
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#
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# Test problem when using locks on many tables and droping a table that
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# is to-be-locked by another thread
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#
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connection locker;
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create table t1 (a int);
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create table t2 (a int);
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lock table t1 write, t2 write;
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connection reader;
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send insert t1 select * from t2;
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connection locker;
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drop table t2;
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connection reader;
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--error 1146
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reap;
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connection locker;
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drop table t1;
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# End of 4.1 tests
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