1
1
# This test requires that --log-output includes 'table', and the general
4
# PS causes different statistics
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connect (con1,localhost,root,,);
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connect (con2,localhost,root,,);
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# Logging to the general query log table (--log-output=table --log) increments
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# Table_locks_immediate with each query, so here Immediate becomes 1
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show status like 'Table_lock%';
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select * from information_schema.session_status where variable_name like 'Table_lock%';
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set @old_general_log = @@global.general_log;
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set global general_log = 'OFF';
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drop table if exists t1;
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create table t1(n int) engine=myisam;
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insert into t1 values(1);
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let $ID= `select connection_id()`;
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# ++Immediate = 14 (Not +2, because this increments Table_locks_waited)
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# wait for the other query to start executing
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let $wait_condition= select 1 from INFORMATION_SCHEMA.PROCESSLIST where ID = $ID and STATE = "Table lock";
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# Immediate = 14 + $wait_condition_reps ($wait_timeout is 0, so no extra select
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# is done inside wait_condition.inc)
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--source include/wait_condition.inc
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# ++Immediate = 15 + $wait_condition_reps
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# ++Immediate = 16 + $wait_condition_reps
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show status like 'Table_locks_waited';
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set global general_log = @old_general_log;
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13
show status like 'last_query_cost';
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create table t1 (a int);
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create table t1 (a int) engine=myisam;
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15
insert into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
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16
insert into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
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17
insert into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
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50
eval SET @wait_left = $disconnect_timeout;
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let $max_used_connections = `SHOW STATUS LIKE 'max_used_connections'`;
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52
eval SET @max_used_connections = SUBSTRING('$max_used_connections', 21)+0;
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let $wait_more = `SELECT @max_used_connections != 1 && @wait_left > 0`;
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let $max_used = `SELECT @max_used_connections`;
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let $wait_left= `SELECT @wait_left`;
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while ($max_used != 1 && $wait_left > 0)
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59
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 $wait_more = `SELECT @max_used_connections != 1 && @wait_left > 0`;
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SET @max_used_connections = SUBSTRING('$max_used_connections', 21)+0;
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let $max_used = `SELECT @max_used_connections`;
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let $wait_left= `SELECT @wait_left`;
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65
--enable_query_log
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66
--enable_result_log
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70
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME LIKE 'max_used_connections';
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72
# 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;
136
73
connect (con1,localhost,root,,);
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74
connect (con2,localhost,root,,);
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81
# Check that max_used_connections still reflects maximum value.
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82
SHOW STATUS LIKE 'max_used_connections';
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83
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME LIKE 'max_used_connections';
146
# 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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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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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 $wait_more = `SELECT @max_used_connections != 2 && @wait_left > 0`;
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# Check that we don't count disconnected thread any longer.
167
SHOW STATUS LIKE 'max_used_connections';
168
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME LIKE 'max_used_connections';
170
# Check that max_used_connections is updated when cached thread is
172
connect (con2,localhost,root,,);
173
SHOW STATUS LIKE 'max_used_connections';
174
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME LIKE 'max_used_connections';
176
# ...and when new thread is created.
177
connect (con3,localhost,root,,);
178
SHOW STATUS LIKE 'max_used_connections';
179
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME LIKE 'max_used_connections';
181
# Restore original setting.
183
SET GLOBAL thread_cache_size=@save_thread_cache_size;
191
86
# Bug #30377: EXPLAIN loses last_query_cost when used with UNION
194
CREATE TABLE t1 ( a INT );
89
CREATE TABLE t1 ( a INT ) ENGINE=MyISAM;
195
90
INSERT INTO t1 VALUES (1), (2);
197
92
SELECT a FROM t1 LIMIT 1;
239
134
eval select substring_index('$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;
240
135
--enable_query_log
243
# Bug#30252 Com_create_function is not incremented.
245
show global status like 'Com%function%';
248
create function f1 (x INTEGER) returns integer
258
show global status like 'Com%function%';
261
138
# End of 5.1 tests