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Merge magare.gmz:/home/kgeorge/mysql/work/B30377-5.0-opt

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into  magare.gmz:/home/kgeorge/mysql/work/B30377-5.1-opt
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gkodinov/kgeorge@magare.gmz
2007-08-29 11:38:05 +03:00
parent 2df0485d93 cfaa0983c8
commit acf0ebe69f
4 changed files with 107 additions and 1 deletions
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48
mysql-test/r/status.result
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@@ -87,6 +87,54 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME LIKE 'max_us
VARIABLE_NAME VARIABLE_VALUE
MAX_USED_CONNECTIONS 4
SET GLOBAL thread_cache_size=@save_thread_cache_size;
CREATE TABLE t1 ( a INT );
INSERT INTO t1 VALUES (1), (2);
SELECT a FROM t1 LIMIT 1;
a
1
SHOW SESSION STATUS LIKE 'Last_query_cost';
Variable_name Value
Last_query_cost 2.402418
EXPLAIN SELECT a FROM t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2
SHOW SESSION STATUS LIKE 'Last_query_cost';
Variable_name Value
Last_query_cost 2.402418
SELECT a FROM t1 UNION SELECT a FROM t1 ORDER BY a;
a
1
2
SHOW SESSION STATUS LIKE 'Last_query_cost';
Variable_name Value
Last_query_cost 0.000000
EXPLAIN SELECT a FROM t1 UNION SELECT a FROM t1 ORDER BY a;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
2 UNION t1 ALL NULL NULL NULL NULL 2
NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL Using filesort
SHOW SESSION STATUS LIKE 'Last_query_cost';
Variable_name Value
Last_query_cost 0.000000
SELECT a IN (SELECT a FROM t1) FROM t1 LIMIT 1;
a IN (SELECT a FROM t1)
1
SHOW SESSION STATUS LIKE 'Last_query_cost';
Variable_name Value
Last_query_cost 0.000000
SELECT (SELECT a FROM t1 LIMIT 1) x FROM t1 LIMIT 1;
x
1
SHOW SESSION STATUS LIKE 'Last_query_cost';
Variable_name Value
Last_query_cost 0.000000
SELECT * FROM t1 a, t1 b LIMIT 1;
a a
1 1
SHOW SESSION STATUS LIKE 'Last_query_cost';
Variable_name Value
Last_query_cost 4.805836
DROP TABLE t1;
show status like 'com_show_status';
Variable_name Value
Com_show_status 3