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into sunlight.local:/local_work/tmp_merge-5.1-opt-mysql mysql-test/r/auto_increment.result: Auto merged mysql-test/r/binlog_row_blackhole.result: Auto merged mysql-test/r/binlog_stm_blackhole.result: Auto merged mysql-test/r/date_formats.result: Auto merged mysql-test/r/func_compress.result: Auto merged mysql-test/r/func_gconcat.result: Auto merged mysql-test/r/func_group.result: Auto merged mysql-test/r/func_math.result: Auto merged mysql-test/r/func_str.result: Auto merged mysql-test/r/func_system.result: Auto merged mysql-test/r/func_time.result: Auto merged mysql-test/r/gis.result: Auto merged mysql-test/r/group_by.result: Auto merged mysql-test/r/group_min_max.result: Auto merged mysql-test/r/myisam.result: Auto merged mysql-test/r/olap.result: Auto merged mysql-test/r/partition_pruning.result: Auto merged mysql-test/r/query_cache.result: Auto merged mysql-test/r/rpl_get_lock.result: Auto merged mysql-test/r/rpl_master_pos_wait.result: Auto merged mysql-test/r/select.result: Auto merged mysql-test/r/subselect.result: Auto merged mysql-test/r/type_blob.result: Auto merged mysql-test/r/union.result: Auto merged mysql-test/r/variables.result: Auto merged mysql-test/r/view.result: Auto merged mysql-test/t/group_min_max.test: Auto merged mysql-test/t/partition_pruning.test: Auto merged sql/opt_range.cc: Auto merged sql/sql_class.cc: Auto merged sql/sql_select.cc: Auto merged sql/table.h: Auto merged
35 lines
983 B
Text
35 lines
983 B
Text
stop slave;
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drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
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reset master;
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reset slave;
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drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
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start slave;
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create table t1(n int);
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insert into t1 values(get_lock("lock",2));
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select get_lock("lock",2);
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get_lock("lock",2)
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1
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select release_lock("lock");
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release_lock("lock")
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1
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select get_lock("lock",3);
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get_lock("lock",3)
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1
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select * from t1;
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n
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1
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select is_free_lock("lock"), is_used_lock("lock") = connection_id();
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is_free_lock("lock") is_used_lock("lock") = connection_id()
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0 1
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explain extended select is_free_lock("lock"), is_used_lock("lock");
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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Warnings:
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Note 1003 select is_free_lock(_latin1'lock') AS `is_free_lock("lock")`,is_used_lock(_latin1'lock') AS `is_used_lock("lock")`
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select is_free_lock("lock2");
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is_free_lock("lock2")
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1
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select is_free_lock(NULL);
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is_free_lock(NULL)
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NULL
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drop table t1;
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