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merge

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This commit is contained in:
Patrick Crews
2009-03-16 12:35:32 -04:00
parent 386ae7db17 15baa13f84
commit 16d13fe521
10 changed files with 119 additions and 22 deletions
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28
mysql-test/r/select.result
View File

@ -4416,4 +4416,32 @@ date_nokey
Warnings:
Warning 1292 Incorrect date value: '10:41:7' for column 'date_nokey' at row 1
DROP TABLE A,C;
CREATE TABLE t1 (a INT NOT NULL, b INT);
INSERT INTO t1 VALUES (1, 1);
EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND a=a) OR b > 2;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 system NULL NULL NULL NULL 1 100.00
Warnings:
Note 1003 select '1' AS `a`,'1' AS `b` from `test`.`t1` where 1
SELECT * FROM t1 WHERE (a=a AND a=a) OR b > 2;
a b
1 1
DROP TABLE t1;
CREATE TABLE t1 (a INT NOT NULL, b INT NOT NULL, c INT NOT NULL);
EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND b=b AND c=c) OR b > 20;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select '0' AS `a`,'0' AS `b`,'0' AS `c` from `test`.`t1` where 1
EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND a=a AND b=b) OR b > 20;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select '0' AS `a`,'0' AS `b`,'0' AS `c` from `test`.`t1` where 1
EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND b=b AND a=a) OR b > 20;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings:
Note 1003 select '0' AS `a`,'0' AS `b`,'0' AS `c` from `test`.`t1` where 1
DROP TABLE t1;
End of 5.1 tests

16
mysql-test/t/select.test
View File

@ -3769,4 +3769,20 @@ SELECT date_nokey FROM C
DROP TABLE A,C;
#
# Bug #42957: no results from
# select where .. (col=col and col=col) or ... (false expression)
#
CREATE TABLE t1 (a INT NOT NULL, b INT);
INSERT INTO t1 VALUES (1, 1);
EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND a=a) OR b > 2;
SELECT * FROM t1 WHERE (a=a AND a=a) OR b > 2;
DROP TABLE t1;
CREATE TABLE t1 (a INT NOT NULL, b INT NOT NULL, c INT NOT NULL);
EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND b=b AND c=c) OR b > 20;
EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND a=a AND b=b) OR b > 20;
EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND b=b AND a=a) OR b > 20;
DROP TABLE t1;
--echo End of 5.1 tests