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merge: 5.1 -> 5.1-rpl
conflicts: Text conflict in client/mysqltest.cc Text conflict in mysql-test/include/wait_until_connected_again.inc Text conflict in mysql-test/lib/mtr_report.pm Text conflict in mysql-test/mysql-test-run.pl Text conflict in mysql-test/r/events_bugs.result Text conflict in mysql-test/r/log_state.result Text conflict in mysql-test/r/myisam_data_pointer_size_func.result Text conflict in mysql-test/r/mysqlcheck.result Text conflict in mysql-test/r/query_cache.result Text conflict in mysql-test/r/status.result Text conflict in mysql-test/suite/binlog/r/binlog_index.result Text conflict in mysql-test/suite/binlog/r/binlog_innodb.result Text conflict in mysql-test/suite/rpl/r/rpl_packet.result Text conflict in mysql-test/suite/rpl/t/rpl_packet.test Text conflict in mysql-test/t/disabled.def Text conflict in mysql-test/t/events_bugs.test Text conflict in mysql-test/t/log_state.test Text conflict in mysql-test/t/myisam_data_pointer_size_func.test Text conflict in mysql-test/t/mysqlcheck.test Text conflict in mysql-test/t/query_cache.test Text conflict in mysql-test/t/rpl_init_slave_func.test Text conflict in mysql-test/t/status.test
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@ -1616,41 +1616,6 @@ id
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DROP PROCEDURE proc29856;
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DROP TABLE t1;
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SET GLOBAL query_cache_size= default;
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Bug#28249 Query Cache returns wrong result with concurrent insert/ certain lock
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set GLOBAL query_cache_type=1;
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set GLOBAL query_cache_limit=10000;
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set GLOBAL query_cache_min_res_unit=0;
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set GLOBAL query_cache_size= 100000;
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flush tables;
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drop table if exists t1, t2;
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create table t1 (a int);
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create table t2 (a int);
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insert into t1 values (1),(2),(3);
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Locking table T2 with a write lock.
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lock table t2 write;
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Select blocked by write lock.
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select *, (select count(*) from t2) from t1;;
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Sleeing is ok, because selecting should be done very fast.
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Inserting into table T1.
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insert into t1 values (4);
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Unlocking the tables.
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unlock tables;
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Collecting result from previously blocked select.
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Next select should contain 4 rows, as the insert is long finished.
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select *, (select count(*) from t2) from t1;
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a (select count(*) from t2)
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1 0
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2 0
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3 0
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4 0
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reset query cache;
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select *, (select count(*) from t2) from t1;
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a (select count(*) from t2)
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1 0
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2 0
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3 0
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4 0
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drop table t1,t2;
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#
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# Bug#25132 disabled query cache: Qcache_free_blocks = 1
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#
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