database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2026-01-06 05:22:24 +03:00
Code Activity

Fixes for binary protocol (complement to last push)

Browse Source 
Changed timestamp to return string in YYYY-MM-DD HH:MM:SS format.
DATE_ADD() and related functions now returns correct DATE/DATETIME type depending on argument types.
Now all tests passes, still some work left to remove warnings in log files from mysql-test-run
This commit is contained in:
monty@mashka.mysql.fi
2002-12-14 17:43:01 +02:00
parent a241d9a0f7
commit d49167bae5
42 changed files with 399 additions and 263 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
mysql-test/r/subselect.result
View File

@@ -20,8 +20,8 @@ Reference 'a' not supported (forward reference in item list)
EXPLAIN SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> system NULL NULL NULL NULL 1
3 DEPENDENT SUBSELECT No tables used
2 DERIVED No tables used
3 DEPENDENT SUBSELECT NULL NULL NULL NULL NULL NULL NULL No tables used
2 DERIVED NULL NULL NULL NULL NULL NULL NULL No tables used
SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
1
1
@@ -280,7 +280,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL PRIMARY 41 NULL 2 Using where; Using index
EXPLAIN SELECT (SELECT DISTINCT date FROM t1 WHERE date='2002-08-03');
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY No tables used
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBSELECT t1 index NULL PRIMARY 41 NULL 2 Using where; Using index
SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
date
@@ -298,8 +298,8 @@ Subselect returns more than 1 record
EXPLAIN SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index NULL topic 3 NULL 2 Using index
2 SUBSELECT No tables used
3 UNION No tables used
2 SUBSELECT NULL NULL NULL NULL NULL NULL NULL No tables used
3 UNION NULL NULL NULL NULL NULL NULL NULL No tables used
drop table t1;
CREATE TABLE `t1` (
`numeropost` mediumint(8) unsigned NOT NULL auto_increment,
@@ -394,11 +394,11 @@ EXPLAIN SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1
Subselect returns more than 1 record
EXPLAIN SELECT MAX(numreponse) FROM t1 WHERE numeropost='1';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE Select tables optimized away
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
EXPLAIN SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT MAX(numreponse) FROM t1 WHERE numeropost='1');
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1
2 SUBSELECT Select tables optimized away
2 SUBSELECT NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
drop table t1;
CREATE TABLE t1 (a int(1));
INSERT INTO t1 VALUES (1);
@@ -574,14 +574,14 @@ id
EXPLAIN SELECT * FROM t WHERE id IN (SELECT 1+(select 1));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t ref id id 5 const 1 Using where; Using index
3 SUBSELECT No tables used
3 SUBSELECT NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1247 Select 2 was reduced during optimisation
EXPLAIN SELECT * FROM t WHERE id IN (SELECT 1 UNION SELECT 3);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t index NULL id 5 NULL 2 Using where; Using index
2 DEPENDENT SUBSELECT No tables used
3 UNION No tables used
2 DEPENDENT SUBSELECT NULL NULL NULL NULL NULL NULL NULL No tables used
3 UNION NULL NULL NULL NULL NULL NULL NULL No tables used
SELECT * FROM t WHERE id IN (SELECT 5 UNION SELECT 3);
id
SELECT * FROM t WHERE id IN (SELECT 5 UNION SELECT 2);