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Manual merge from mysql-trunk-merge.

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Conflicts:
  - include/my_no_pthread.h
  - mysql-test/r/sp-ucs2.result
  - sql/log.cc
  - sql/sql_acl.cc
  - sql/sql_yacc.yy
This commit is contained in:
Alexander Nozdrin
2009-12-16 21:02:21 +03:00
parent f0ae3168a3 efe6195858
commit 09942fe8e8
108 changed files with 3406 additions and 1159 deletions
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95
mysql-test/r/select.result
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@ -4446,6 +4446,91 @@ SELECT 1 FROM t2 JOIN t1 ON 1=1
WHERE a != '1' AND NOT a >= b OR NOT ROW(b,a )<> ROW(a,a);
1
DROP TABLE t1,t2;
#
# Bug #49199: Optimizer handles incorrectly:
# field='const1' AND field='const2' in some cases
CREATE TABLE t1(a DATETIME NOT NULL);
INSERT INTO t1 VALUES('2001-01-01');
SELECT * FROM t1 WHERE a='2001-01-01' AND a='2001-01-01 00:00:00';
a
2001-01-01 00:00:00
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='2001-01-01' AND a='2001-01-01 00:00:00';
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 '2001-01-01 00:00:00' AS `a` from dual where 1
DROP TABLE t1;
CREATE TABLE t1(a DATE NOT NULL);
INSERT INTO t1 VALUES('2001-01-01');
SELECT * FROM t1 WHERE a='2001-01-01' AND a='2001-01-01 00:00:00';
a
2001-01-01
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='2001-01-01' AND a='2001-01-01 00:00:00';
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 '2001-01-01' AS `a` from dual where 1
DROP TABLE t1;
CREATE TABLE t1(a TIMESTAMP NOT NULL);
INSERT INTO t1 VALUES('2001-01-01');
SELECT * FROM t1 WHERE a='2001-01-01' AND a='2001-01-01 00:00:00';
a
2001-01-01 00:00:00
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='2001-01-01' AND a='2001-01-01 00:00:00';
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 '2001-01-01 00:00:00' AS `a` from dual where 1
DROP TABLE t1;
CREATE TABLE t1(a DATETIME NOT NULL, b DATE NOT NULL);
INSERT INTO t1 VALUES('2001-01-01', '2001-01-01');
SELECT * FROM t1 WHERE a='2001-01-01' AND a=b AND b='2001-01-01 00:00:00';
a b
2001-01-01 00:00:00 2001-01-01
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='2001-01-01' AND a=b AND b='2001-01-01 00:00:00';
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 '2001-01-01 00:00:00' AS `a`,'2001-01-01' AS `b` from dual where 1
DROP TABLE t1;
CREATE TABLE t1(a DATETIME NOT NULL, b VARCHAR(20) NOT NULL);
INSERT INTO t1 VALUES('2001-01-01', '2001-01-01');
SELECT * FROM t1 WHERE a='2001-01-01' AND a=b AND b='2001-01-01 00:00:00';
a b
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='2001-01-01' AND a=b AND b='2001-01-01 00:00:00';
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings:
Note 1003 select '2001-01-01 00:00:00' AS `a`,'2001-01-01' AS `b` from dual where 0
SELECT * FROM t1 WHERE a='2001-01-01 00:00:00' AND a=b AND b='2001-01-01';
a b
2001-01-01 00:00:00 2001-01-01
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='2001-01-01 00:00:00' AND a=b AND b='2001-01-01';
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 '2001-01-01 00:00:00' AS `a`,'2001-01-01' AS `b` from dual where 1
DROP TABLE t1;
CREATE TABLE t1(a DATETIME NOT NULL, b DATE NOT NULL);
INSERT INTO t1 VALUES('2001-01-01', '2001-01-01');
SELECT x.a, y.a, z.a FROM t1 x
JOIN t1 y ON x.a=y.a
JOIN t1 z ON y.a=z.a
WHERE x.a='2001-01-01' AND z.a='2001-01-01 00:00:00';
a a a
2001-01-01 00:00:00 2001-01-01 00:00:00 2001-01-01 00:00:00
EXPLAIN EXTENDED SELECT x.a, y.a, z.a FROM t1 x
JOIN t1 y ON x.a=y.a
JOIN t1 z ON y.a=z.a
WHERE x.a='2001-01-01' AND z.a='2001-01-01 00:00:00';
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE x system NULL NULL NULL NULL 1 100.00
1 SIMPLE y system NULL NULL NULL NULL 1 100.00
1 SIMPLE z system NULL NULL NULL NULL 1 100.00
Warnings:
Note 1003 select '2001-01-01 00:00:00' AS `a`,'2001-01-01 00:00:00' AS `a`,'2001-01-01 00:00:00' AS `a` from dual where 1
DROP TABLE t1;
End of 5.0 tests
create table t1(a INT, KEY (a));
INSERT INTO t1 VALUES (1),(2),(3),(4),(5);
@ -4680,4 +4765,14 @@ HAVING v <= 't'
ORDER BY pk;
v
DROP TABLE t1;
#
# Bug#49489 Uninitialized cache led to a wrong result.
#
CREATE TABLE t1(c1 DOUBLE(5,4));
INSERT INTO t1 VALUES (9.1234);
SELECT * FROM t1 WHERE c1 < 9.12345;
c1
9.1234
DROP TABLE t1;
# End of test for bug#49489.
End of 5.1 tests