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mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00

Merge gkodinov@bk-internal.mysql.com:/home/bk/mysql-5.0-opt

into  magare.gmz:/home/kgeorge/mysql/autopush/B31221-5.0-opt
This commit is contained in:
unknown
2007-10-18 15:32:48 +03:00
13 changed files with 94 additions and 15 deletions

View File

@ -326,7 +326,8 @@ id select_type table type possible_keys key key_len ref rows Extra
2 DERIVED t2 index PRIMARY PRIMARY 4 NULL 2 Using where; Using index
drop table t2;
CREATE TABLE `t1` ( `itemid` int(11) NOT NULL default '0', `grpid` varchar(15) NOT NULL default '', `vendor` int(11) NOT NULL default '0', `date_` date NOT NULL default '0000-00-00', `price` decimal(12,2) NOT NULL default '0.00', PRIMARY KEY (`itemid`,`grpid`,`vendor`,`date_`), KEY `itemid` (`itemid`,`vendor`), KEY `itemid_2` (`itemid`,`date_`));
insert into t1 values (128, 'rozn', 2, now(), 10),(128, 'rozn', 1, now(), 10);
insert into t1 values (128, 'rozn', 2, curdate(), 10),
(128, 'rozn', 1, curdate(), 10);
SELECT MIN(price) min, MAX(price) max, AVG(price) avg FROM (SELECT SUBSTRING( MAX(concat(date_,";",price)), 12) price FROM t1 WHERE itemid=128 AND grpid='rozn' GROUP BY itemid, grpid, vendor) lastprices;
min max avg
10.00 10.00 10

View File

@ -2973,11 +2973,13 @@ Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
@ -3011,7 +3013,6 @@ Warning 1265 Data truncated for column 'c15' at row 1
Warning 1264 Out of range value adjusted for column 'c16' at row 1
Warning 1264 Out of range value adjusted for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c15' at row 1
Warning 1264 Out of range value adjusted for column 'c16' at row 1
Warning 1264 Out of range value adjusted for column 'c17' at row 1

View File

@ -2956,11 +2956,13 @@ Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
@ -2994,7 +2996,6 @@ Warning 1265 Data truncated for column 'c15' at row 1
Warning 1264 Out of range value adjusted for column 'c16' at row 1
Warning 1264 Out of range value adjusted for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c15' at row 1
Warning 1264 Out of range value adjusted for column 'c16' at row 1
Warning 1264 Out of range value adjusted for column 'c17' at row 1

View File

@ -2957,11 +2957,13 @@ Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
@ -2995,7 +2997,6 @@ Warning 1265 Data truncated for column 'c15' at row 1
Warning 1264 Out of range value adjusted for column 'c16' at row 1
Warning 1264 Out of range value adjusted for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c15' at row 1
Warning 1264 Out of range value adjusted for column 'c16' at row 1
Warning 1264 Out of range value adjusted for column 'c17' at row 1

View File

@ -2893,11 +2893,13 @@ Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
@ -2931,7 +2933,6 @@ Warning 1265 Data truncated for column 'c15' at row 1
Warning 1264 Out of range value adjusted for column 'c16' at row 1
Warning 1264 Out of range value adjusted for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c15' at row 1
Warning 1264 Out of range value adjusted for column 'c16' at row 1
Warning 1264 Out of range value adjusted for column 'c17' at row 1
@ -5914,11 +5915,13 @@ Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
@ -5952,7 +5955,6 @@ Warning 1265 Data truncated for column 'c15' at row 1
Warning 1264 Out of range value adjusted for column 'c16' at row 1
Warning 1264 Out of range value adjusted for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c15' at row 1
Warning 1264 Out of range value adjusted for column 'c16' at row 1
Warning 1264 Out of range value adjusted for column 'c17' at row 1

View File

@ -2956,11 +2956,13 @@ Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
@ -2994,7 +2996,6 @@ Warning 1265 Data truncated for column 'c15' at row 1
Warning 1264 Out of range value adjusted for column 'c16' at row 1
Warning 1264 Out of range value adjusted for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c15' at row 1
Warning 1264 Out of range value adjusted for column 'c16' at row 1
Warning 1264 Out of range value adjusted for column 'c17' at row 1

View File

@ -2956,11 +2956,13 @@ Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
@ -2994,7 +2996,6 @@ Warning 1265 Data truncated for column 'c15' at row 1
Warning 1264 Out of range value adjusted for column 'c16' at row 1
Warning 1264 Out of range value adjusted for column 'c17' at row 1
Warnings:
Note 1265 Data truncated for column 'c13' at row 1
Warning 1265 Data truncated for column 'c15' at row 1
Warning 1264 Out of range value adjusted for column 'c16' at row 1
Warning 1264 Out of range value adjusted for column 'c17' at row 1

View File

@ -146,3 +146,33 @@ str_to_date( '', a )
0000-00-00 00:00:00
NULL
DROP TABLE t1;
CREATE TABLE t1 (a DATE, b int, PRIMARY KEY (a,b));
INSERT INTO t1 VALUES (DATE(NOW()), 1);
SELECT COUNT(*) FROM t1 WHERE a = NOW();
COUNT(*)
0
EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW();
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
INSERT INTO t1 VALUES (DATE(NOW()), 2);
SELECT COUNT(*) FROM t1 WHERE a = NOW();
COUNT(*)
0
EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW();
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
SELECT COUNT(*) FROM t1 WHERE a = NOW() AND b = 1;
COUNT(*)
0
EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW() AND b = 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
ALTER TABLE t1 DROP PRIMARY KEY;
SELECT COUNT(*) FROM t1 WHERE a = NOW();
COUNT(*)
0
EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW();
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where
DROP TABLE t1;
End of 5.0 tests

View File

@ -59,6 +59,8 @@ t
drop table t1;
CREATE TABLE t1 (a timestamp, b date, c time, d datetime);
insert into t1 (b,c,d) values(now(),curtime(),now());
Warnings:
Note 1265 Data truncated for column 'b' at row 1
select date_format(a,"%Y-%m-%d")=b,right(a+0,6)=c+0,a=d+0 from t1;
date_format(a,"%Y-%m-%d")=b right(a+0,6)=c+0 a=d+0
1 1 1

View File

@ -211,7 +211,8 @@ drop table t2;
# select list counter
#
CREATE TABLE `t1` ( `itemid` int(11) NOT NULL default '0', `grpid` varchar(15) NOT NULL default '', `vendor` int(11) NOT NULL default '0', `date_` date NOT NULL default '0000-00-00', `price` decimal(12,2) NOT NULL default '0.00', PRIMARY KEY (`itemid`,`grpid`,`vendor`,`date_`), KEY `itemid` (`itemid`,`vendor`), KEY `itemid_2` (`itemid`,`date_`));
insert into t1 values (128, 'rozn', 2, now(), 10),(128, 'rozn', 1, now(), 10);
insert into t1 values (128, 'rozn', 2, curdate(), 10),
(128, 'rozn', 1, curdate(), 10);
SELECT MIN(price) min, MAX(price) max, AVG(price) avg FROM (SELECT SUBSTRING( MAX(concat(date_,";",price)), 12) price FROM t1 WHERE itemid=128 AND grpid='rozn' GROUP BY itemid, grpid, vendor) lastprices;
DROP TABLE t1;

View File

@ -149,3 +149,25 @@ INSERT INTO t1 VALUES (NULL);
SELECT str_to_date( '', a ) FROM t1;
DROP TABLE t1;
#
# Bug #31221: Optimizer incorrectly identifies impossible WHERE clause
#
CREATE TABLE t1 (a DATE, b int, PRIMARY KEY (a,b));
INSERT INTO t1 VALUES (DATE(NOW()), 1);
SELECT COUNT(*) FROM t1 WHERE a = NOW();
EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW();
INSERT INTO t1 VALUES (DATE(NOW()), 2);
SELECT COUNT(*) FROM t1 WHERE a = NOW();
EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW();
SELECT COUNT(*) FROM t1 WHERE a = NOW() AND b = 1;
EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW() AND b = 1;
ALTER TABLE t1 DROP PRIMARY KEY;
SELECT COUNT(*) FROM t1 WHERE a = NOW();
EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW();
DROP TABLE t1;
--echo End of 5.0 tests