149 lines
4.2 KiB
Plaintext
149 lines
4.2 KiB
Plaintext
--source include/not_threadpool.inc
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# Tests for PERFORMANCE_SCHEMA
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select connection_id() into @conid;
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select thread_id from performance_schema.threads
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where PROCESSLIST_ID = @conid
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into @tid;
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select thread_os_id from performance_schema.threads
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where PROCESSLIST_ID = @conid
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into @osid;
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# Debug
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# select @conid, @tid, @osid;
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# Test index on THREAD_ID
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explain select THREAD_ID, NAME from performance_schema.threads
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where thread_id = 1;
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explain select * from performance_schema.threads
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where thread_id > 1;
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explain select * from performance_schema.threads
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where thread_id < 1;
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select processlist_id = @conid, name, processlist_info
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from performance_schema.threads
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where thread_id = @tid;
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# Test index on PROCESSLIST_ID
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# The explain output depends on the value of @osid
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--disable_warnings
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explain select THREAD_ID, NAME from performance_schema.threads
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where processlist_id = @conid;
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--enable_warnings
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explain select * from performance_schema.threads
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where processlist_id > 99999;
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explain select * from performance_schema.threads
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where processlist_id < 99999;
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select thread_id = @tid, name, processlist_info
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from performance_schema.threads
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where processlist_id = @conid;
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# Test index on THREAD_OS_ID
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# The explain output depends on the value of @osid
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--disable_warnings
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explain select THREAD_ID, NAME from performance_schema.threads
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where thread_os_id = @osid;
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--enable_warnings
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explain select * from performance_schema.threads
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where thread_os_id > 99999;
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explain select * from performance_schema.threads
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where thread_os_id < 99999;
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select thread_id - @tid, name, processlist_info
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from performance_schema.threads
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where thread_os_id = @osid;
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# Test index on NAME
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explain select THREAD_ID from performance_schema.threads
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where NAME = "impossible";
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explain select THREAD_ID from performance_schema.threads
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where NAME = "thread/sql/main";
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explain select * from performance_schema.threads
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where NAME > "foo";
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explain select * from performance_schema.threads
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where NAME < "bar";
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explain select * from performance_schema.threads
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where NAME like "thread/sql/%";
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select thread_id, name, processlist_state, processlist_info
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from performance_schema.threads
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where NAME = "thread/sql/main";
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# Test index on PROCESSLIST_USER, PROCESSLIST_HOST
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explain select THREAD_ID from performance_schema.threads
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where PROCESSLIST_USER = "impossible";
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explain select THREAD_ID from performance_schema.threads
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where PROCESSLIST_USER = "root";
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explain select * from performance_schema.threads
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where PROCESSLIST_USER > "foo";
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explain select * from performance_schema.threads
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where PROCESSLIST_USER < "bar";
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explain select * from performance_schema.threads
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where PROCESSLIST_USER like "ro%";
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select thread_id = @tid, name, processlist_state, processlist_info
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from performance_schema.threads
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where PROCESSLIST_USER = "root";
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explain select THREAD_ID from performance_schema.threads
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where PROCESSLIST_USER = "impossible" and PROCESSLIST_HOST = "impossible";
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explain select THREAD_ID from performance_schema.threads
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where PROCESSLIST_USER = "root" and PROCESSLIST_HOST = "localhost";
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explain select * from performance_schema.threads
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where PROCESSLIST_USER = "foo" and PROCESSLIST_HOST < "foo";
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explain select * from performance_schema.threads
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where PROCESSLIST_USER = "foo" and PROCESSLIST_HOST > "bar";
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explain select * from performance_schema.threads
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where PROCESSLIST_USER = "foo" and PROCESSLIST_HOST like "bar%";
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select thread_id = @tid, name, processlist_state, processlist_info
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from performance_schema.threads
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where PROCESSLIST_USER = "root" and PROCESSLIST_HOST = "localhost";
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# Test index on PROCESSLIST_HOST
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explain select THREAD_ID from performance_schema.threads
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where PROCESSLIST_HOST = "impossible";
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explain select THREAD_ID from performance_schema.threads
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where PROCESSLIST_HOST = "localhost";
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explain select * from performance_schema.threads
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where PROCESSLIST_HOST > "foo";
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explain select * from performance_schema.threads
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where PROCESSLIST_HOST < "bar";
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explain select * from performance_schema.threads
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where PROCESSLIST_HOST like "local%";
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select thread_id = @tid, name, processlist_state, processlist_info
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from performance_schema.threads
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where PROCESSLIST_HOST = "localhost";
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