52 lines
1.6 KiB
Plaintext
52 lines
1.6 KiB
Plaintext
# Tests for PERFORMANCE_SCHEMA
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--source ../include/start_server_common.inc
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#############################
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# Setup database and tables.
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#############################
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--disable_warnings
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drop table if exists db1.t1;
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drop database if exists db1;
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--enable_warnings
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create database db1;
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create table db1.t1 (a int, b char(10) default 'default');
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#######################
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# Execute few queries.
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#######################
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insert into db1.t1 values('1', 'abc');
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insert into db1.t1 values('2', 'abc');
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select * from db1.t1 where a='1';
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#####################################################
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# Run few queries on Performance Schema stats tables.
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#####################################################
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# There should be 3 entries in following table. 2 for insert and 1 for select.
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# This is because lock stats are still in the table handles
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select COUNT_STAR from performance_schema.table_lock_waits_summary_by_table
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where OBJECT_SCHEMA='db1' and OBJECT_NAME='t1';
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# Now force aggregation by closing table handles
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FLUSH TABLES;
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select COUNT_STAR from performance_schema.table_lock_waits_summary_by_table
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where OBJECT_SCHEMA='db1' and OBJECT_NAME='t1';
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# Expect TABLE_LOCK_STAT lost
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--disable_warnings
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select variable_value > 0 from performance_schema.global_status
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where variable_name like 'PERFORMANCE_SCHEMA_TABLE_LOCK_STAT_LOST';
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# While at it, check that FLUSH STATUS Resets the lost counter
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FLUSH STATUS;
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select variable_value from performance_schema.global_status
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where variable_name like 'PERFORMANCE_SCHEMA_TABLE_LOCK_STAT_LOST';
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--enable_warnings
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###########
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# Cleanup.
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###########
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drop database db1;
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