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be269e56d2
SHOW STATUS are not anymore put in slow query log because of no index usage. Implemntation done by removing orig_sql_command and moving logic of SHOW STATUS to mysql_excute_command() This simplifies code and allows us to remove some if statements all over the code. Upgraded uc_update_queries[] to sql_command_flags and added more bitmaps to better categorize commands. This allowed some overall simplifaction when testing sql_command. Fixes bugs: Bug#10210: running SHOW STATUS increments counters it shouldn't Bug#19764: SHOW commands end up in the slow log as table scans
181 lines
5.2 KiB
Plaintext
181 lines
5.2 KiB
Plaintext
# This test doesn't work with the embedded version as this code
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# assumes that one query is running while we are doing queries on
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# a second connection.
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# This would work if mysqltest run would be threaded and handle each
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# connection in a separate thread.
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#
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--source include/not_embedded.inc
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# PS causes different statistics
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--disable_ps_protocol
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connect (con1,localhost,root,,);
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connect (con2,localhost,root,,);
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flush status;
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show status like 'Table_lock%';
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connection con1;
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SET SQL_LOG_BIN=0;
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--disable_warnings
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drop table if exists t1;
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--enable_warnings
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create table t1(n int) engine=myisam;
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insert into t1 values(1);
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connection con2;
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lock tables t1 read;
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unlock tables;
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lock tables t1 read;
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connection con1;
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--send
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update t1 set n = 3;
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connection con2;
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sleep 0.5;
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unlock tables;
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connection con1;
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reap;
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show status like 'Table_lock%';
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drop table t1;
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disconnect con2;
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disconnect con1;
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connection default;
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# End of 4.1 tests
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#
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# last_query_cost
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#
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select 1;
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show status like 'last_query_cost';
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create table t1 (a int);
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insert into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
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insert into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
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insert into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
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insert into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
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insert into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
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select * from t1 where a=6;
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show status like 'last_query_cost';
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# Ensure value dosn't change by second status call
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show status like 'last_query_cost';
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select 1;
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show status like 'last_query_cost';
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drop table t1;
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#
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# Test for Bug #15933 max_used_connections is wrong after FLUSH STATUS
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# if connections are cached
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#
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#
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# The first suggested fix from the bug report was chosen
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# (see http://bugs.mysql.com/bug.php?id=15933):
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#
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# a) On flushing the status, set max_used_connections to
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# threads_connected, not to 0.
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#
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# b) Check if it is necessary to increment max_used_connections when
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# taking a thread from the cache as well as when creating new threads
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#
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# Wait for at most $disconnect_timeout seconds for disconnects to finish.
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let $disconnect_timeout = 10;
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# Wait for any previous disconnects to finish.
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FLUSH STATUS;
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--disable_query_log
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--disable_result_log
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eval SET @wait_left = $disconnect_timeout;
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let $max_used_connections = `SHOW STATUS LIKE 'max_used_connections'`;
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eval SET @max_used_connections = SUBSTRING('$max_used_connections', 21)+0;
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let $wait_more = `SELECT @max_used_connections != 1 && @wait_left > 0`;
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while ($wait_more)
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{
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sleep 1;
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FLUSH STATUS;
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SET @wait_left = @wait_left - 1;
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let $max_used_connections = `SHOW STATUS LIKE 'max_used_connections'`;
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eval SET @max_used_connections = SUBSTRING('$max_used_connections', 21)+0;
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let $wait_more = `SELECT @max_used_connections != 1 && @wait_left > 0`;
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}
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--enable_query_log
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--enable_result_log
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# Prerequisite.
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SHOW STATUS LIKE 'max_used_connections';
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# Save original setting.
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SET @save_thread_cache_size=@@thread_cache_size;
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SET GLOBAL thread_cache_size=3;
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connect (con1,localhost,root,,);
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connect (con2,localhost,root,,);
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connection con1;
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disconnect con2;
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# Check that max_used_connections still reflects maximum value.
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SHOW STATUS LIKE 'max_used_connections';
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# Check that after flush max_used_connections equals to current number
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# of connections. First wait for previous disconnect to finish.
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FLUSH STATUS;
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--disable_query_log
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--disable_result_log
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eval SET @wait_left = $disconnect_timeout;
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let $max_used_connections = `SHOW STATUS LIKE 'max_used_connections'`;
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eval SET @max_used_connections = SUBSTRING('$max_used_connections', 21)+0;
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let $wait_more = `SELECT @max_used_connections != 2 && @wait_left > 0`;
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while ($wait_more)
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{
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sleep 1;
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FLUSH STATUS;
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SET @wait_left = @wait_left - 1;
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let $max_used_connections = `SHOW STATUS LIKE 'max_used_connections'`;
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eval SET @max_used_connections = SUBSTRING('$max_used_connections', 21)+0;
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let $wait_more = `SELECT @max_used_connections != 2 && @wait_left > 0`;
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}
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--enable_query_log
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--enable_result_log
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# Check that we don't count disconnected thread any longer.
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SHOW STATUS LIKE 'max_used_connections';
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# Check that max_used_connections is updated when cached thread is
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# reused...
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connect (con2,localhost,root,,);
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SHOW STATUS LIKE 'max_used_connections';
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# ...and when new thread is created.
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connect (con3,localhost,root,,);
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SHOW STATUS LIKE 'max_used_connections';
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# Restore original setting.
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connection default;
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SET GLOBAL thread_cache_size=@save_thread_cache_size;
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disconnect con3;
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disconnect con2;
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disconnect con1;
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# End of 5.0 tests
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#
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# Ensure that SHOW STATUS only changes global status variables
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#
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connect (con1,localhost,root,,);
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let $rnd_next = `show global status like 'handler_read_rnd_next'`;
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let $tmp_table = `show global status like 'Created_tmp_tables'`;
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show status like 'com_show_status';
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show status like 'hand%write%';
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show status like '%tmp%';
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show status like 'hand%write%';
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show status like '%tmp%';
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show status like 'com_show_status';
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let $rnd_next2 = `show global status like 'handler_read_rnd_next'`;
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let $tmp_table2 = `show global status like 'Created_tmp_tables'`;
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--disable_query_log
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eval select substring_index('$rnd_next2',0x9,-1)-substring_index('$rnd_next',0x9,-1) as rnd_diff, substring_index('$tmp_table2',0x9,-1)-substring_index('$tmp_table',0x9,-1) as tmp_table_diff;
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--enable_query_log
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# End of 5.1 tests
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