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Bug#31700: thd->examined_row_count not incremented for 'const' type queries

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add 5.1-specific test showing that 'const' access increments 'examined'
counter in slow query log.
This commit is contained in:
tnurnberg@mysql.com/white.intern.koehntopp.de
2007-11-10 21:51:47 +01:00
parent 82e112bd5e
commit 7908e3b6c2
2 changed files with 59 additions and 0 deletions
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28
mysql-test/r/log_tables.result
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@ -820,3 +820,31 @@ Execute select '000 001 002 003 004 005 006 007 008 009010 011 012 013 014 015 0
Query set global general_log = off
deallocate prepare long_query;
set global general_log = @old_general_log_state;
SET @old_slow_log_state = @@global.slow_query_log;
SET SESSION long_query_time = 0;
SET GLOBAL slow_query_log = ON;
FLUSH LOGS;
TRUNCATE TABLE mysql.slow_log;
CREATE TABLE t1 (f1 SERIAL,f2 INT, f3 INT, PRIMARY KEY(f1), KEY(f2));
INSERT INTO t1 VALUES (1,1,1);
INSERT INTO t1 VALUES (2,2,2);
INSERT INTO t1 VALUES (3,3,3);
INSERT INTO t1 VALUES (4,4,4);
SELECT SQL_NO_CACHE 'Bug#31700 - SCAN',f1,f2,f3 FROM t1 WHERE f3=4;
Bug#31700 - SCAN f1 f2 f3
Bug#31700 - SCAN 4 4 4
SELECT SQL_NO_CACHE 'Bug#31700 - KEY', f1,f2,f3 FROM t1 WHERE f2=3;
Bug#31700 - KEY f1 f2 f3
Bug#31700 - KEY 3 3 3
SELECT SQL_NO_CACHE 'Bug#31700 - PK', f1,f2,f3 FROM t1 WHERE f1=2;
Bug#31700 - PK f1 f2 f3
Bug#31700 - PK 2 2 2
SELECT start_time, rows_examined, rows_sent, sql_text FROM mysql.slow_log WHERE sql_text LIKE '%Bug#31700%' ORDER BY start_time;
start_time rows_examined rows_sent sql_text
TIMESTAMP 4 1 SELECT SQL_NO_CACHE 'Bug#31700 - SCAN',f1,f2,f3 FROM t1 WHERE f3=4
TIMESTAMP 1 1 SELECT SQL_NO_CACHE 'Bug#31700 - KEY', f1,f2,f3 FROM t1 WHERE f2=3
TIMESTAMP 1 1 SELECT SQL_NO_CACHE 'Bug#31700 - PK', f1,f2,f3 FROM t1 WHERE f1=2
DROP TABLE t1;
TRUNCATE TABLE mysql.slow_log;
SET GLOBAL slow_query_log = @old_slow_log_state;
SET SESSION long_query_time =@old_long_query_time;