mirror of
https://github.com/MariaDB/server.git
synced 2026-01-06 05:22:24 +03:00
Merge pilot.blaudden:/home/msvensson/mysql/mysql-5.0
into pilot.blaudden:/home/msvensson/mysql/mysql-5.0-maint client/mysql.cc: Auto merged sql/item_cmpfunc.cc: Auto merged sql/mysql_priv.h: Auto merged sql/mysqld.cc: Auto merged
This commit is contained in:
unknown
@@ -71,4 +71,18 @@ insert into t1 values (1, 2, 'a&b a<b a>b');
|
||||
<field name="NULL" xsi:nil="true" />
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</row>
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</resultset>
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<?xml version="1.0"?>
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<resultset statement="select 1 limit 0
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" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"></resultset>
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--------------
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select 1 limit 0
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--------------
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||||
|
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<?xml version="1.0"?>
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||||
|
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<resultset statement="select 1 limit 0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"></resultset>
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Empty set
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||||
|
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Bye
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drop table t1;
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|
||||
@@ -1480,6 +1480,49 @@ aa
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xxx
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yyy
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DROP TABLE t1;
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create table t1 (
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a varchar(26) not null
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||||
) default character set utf8;
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insert into t1 (a) values ('abcdefghijklmnopqrstuvwxyz');
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select * from t1;
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a
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abcdefghijklmnopqrstuvwxyz
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alter table t1 change a a varchar(20) character set utf8 not null;
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Warnings:
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Warning 1265 Data truncated for column 'a' at row 1
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select * from t1;
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a
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abcdefghijklmnopqrst
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alter table t1 change a a char(15) character set utf8 not null;
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Warnings:
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Warning 1265 Data truncated for column 'a' at row 1
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select * from t1;
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a
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abcdefghijklmno
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alter table t1 change a a char(10) character set utf8 not null;
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Warnings:
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Warning 1265 Data truncated for column 'a' at row 1
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select * from t1;
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a
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abcdefghij
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alter table t1 change a a varchar(5) character set utf8 not null;
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Warnings:
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Warning 1265 Data truncated for column 'a' at row 1
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select * from t1;
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a
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abcde
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drop table t1;
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create table t1 (
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a varchar(4000) not null
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) default character set utf8;
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insert into t1 values (repeat('a',4000));
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alter table t1 change a a varchar(3000) character set utf8 not null;
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Warnings:
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Warning 1265 Data truncated for column 'a' at row 1
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select length(a) from t1;
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length(a)
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3000
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drop table t1;
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set names utf8;
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select hex(char(1 using utf8));
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hex(char(1 using utf8))
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|
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@@ -1992,4 +1992,73 @@ abc
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SELECT INSERT('abc', 6, 3, '1234');
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INSERT('abc', 6, 3, '1234')
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abc
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CREATE TABLE t1 (a INT);
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CREATE VIEW v1 AS SELECT CRC32(a) AS C FROM t1;
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INSERT INTO t1 VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
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SELECT CRC32(a), COUNT(*) FROM t1 GROUP BY 1;
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CRC32(a) COUNT(*)
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450215437 1
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498629140 1
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1790921346 1
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1842515611 1
|
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2212294583 1
|
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2226203566 1
|
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2366072709 1
|
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2707236321 1
|
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4088798008 1
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4194326291 1
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SELECT CRC32(a), COUNT(*) FROM t1 GROUP BY 1 ORDER BY 1;
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CRC32(a) COUNT(*)
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450215437 1
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498629140 1
|
||||
1790921346 1
|
||||
1842515611 1
|
||||
2212294583 1
|
||||
2226203566 1
|
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2366072709 1
|
||||
2707236321 1
|
||||
4088798008 1
|
||||
4194326291 1
|
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SELECT * FROM (SELECT CRC32(a) FROM t1) t2;
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CRC32(a)
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2212294583
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450215437
|
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1842515611
|
||||
4088798008
|
||||
2226203566
|
||||
498629140
|
||||
1790921346
|
||||
4194326291
|
||||
2366072709
|
||||
2707236321
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CREATE TABLE t2 SELECT CRC32(a) FROM t1;
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desc t2;
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Field Type Null Key Default Extra
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CRC32(a) int(10) unsigned YES NULL
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SELECT * FROM v1;
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C
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||||
2212294583
|
||||
450215437
|
||||
1842515611
|
||||
4088798008
|
||||
2226203566
|
||||
498629140
|
||||
1790921346
|
||||
4194326291
|
||||
2366072709
|
||||
2707236321
|
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SELECT * FROM (SELECT * FROM v1) x;
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C
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2212294583
|
||||
450215437
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||||
1842515611
|
||||
4088798008
|
||||
2226203566
|
||||
498629140
|
||||
1790921346
|
||||
4194326291
|
||||
2366072709
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||||
2707236321
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DROP TABLE t1, t2;
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DROP VIEW v1;
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End of 5.0 tests
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@@ -414,3 +414,44 @@ a int(11) NO PRI
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b varchar(20) NO MUL
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c varchar(20) NO
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drop table t1;
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CREATE TABLE t1 (
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||||
a INTEGER auto_increment PRIMARY KEY,
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b INTEGER NOT NULL,
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c INTEGER NOT NULL,
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d CHAR(64)
|
||||
);
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CREATE TABLE t2 (
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a INTEGER auto_increment PRIMARY KEY,
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b INTEGER NOT NULL,
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c SMALLINT NOT NULL,
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d DATETIME NOT NULL,
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e SMALLINT NOT NULL,
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f INTEGER NOT NULL,
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g INTEGER NOT NULL,
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h SMALLINT NOT NULL,
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i INTEGER NOT NULL,
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j INTEGER NOT NULL,
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UNIQUE INDEX (b),
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INDEX (b, d, e, f, g, h, i, j, c),
|
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INDEX (c)
|
||||
);
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INSERT INTO t2 VALUES
|
||||
(NULL, 1, 254, '1000-01-01 00:00:00', 257, 0, 0, 0, 0, 0),
|
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(NULL, 2, 1, '2004-11-30 12:00:00', 1, 0, 0, 0, 0, 0),
|
||||
(NULL, 3, 1, '2004-11-30 12:00:00', 1, 0, 0, 2, -21600, 0),
|
||||
(NULL, 4, 1, '2004-11-30 12:00:00', 1, 0, 0, 2, -10800, 0),
|
||||
(NULL, 5, 1, '2004-11-30 12:00:00', 1, 0, 0, 5, -10800, 0),
|
||||
(NULL, 6, 1, '2004-11-30 12:00:00', 102, 0, 0, 0, 0, 0),
|
||||
(NULL, 7, 1, '2004-11-30 12:00:00', 105, 2, 0, 0, 0, 0),
|
||||
(NULL, 8, 1, '2004-11-30 12:00:00', 105, 10, 0, 0, 0, 0);
|
||||
INSERT INTO t1 (b, c, d) VALUES
|
||||
(3388000, -553000, NULL),
|
||||
(3388000, -553000, NULL);
|
||||
SELECT *
|
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FROM t2 c JOIN t1 pa ON c.b = pa.a
|
||||
WHERE c.c = 1
|
||||
ORDER BY c.b, c.d
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||||
;
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||||
a b c d e f g h i j a b c d
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||||
2 2 1 2004-11-30 12:00:00 1 0 0 0 0 0 2 3388000 -553000 NULL
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||||
DROP TABLE t1, t2;
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||||
|
||||
@@ -193,6 +193,103 @@ SELECT ROW(2,1) IN (ROW(21,2),ROW(ROW(1,1,3),0));
|
||||
ERROR 21000: Operand should contain 1 column(s)
|
||||
SELECT ROW(2,1) IN (ROW(ROW(1,1,3),0),ROW(21,2));
|
||||
ERROR 21000: Operand should contain 1 column(s)
|
||||
CREATE TABLE t1(a int, b int, c int);
|
||||
INSERT INTO t1 VALUES (1, 2, 3),
|
||||
(NULL, 2, 3 ), (1, NULL, 3 ), (1, 2, NULL),
|
||||
(NULL, 2, 3+1), (1, NULL, 3+1), (1, 2+1, NULL),
|
||||
(NULL, 2, 3-1), (1, NULL, 3-1), (1, 2-1, NULL);
|
||||
SELECT (1,2,3) = (1, NULL, 3);
|
||||
(1,2,3) = (1, NULL, 3)
|
||||
NULL
|
||||
SELECT (1,2,3) = (1+1, NULL, 3);
|
||||
(1,2,3) = (1+1, NULL, 3)
|
||||
0
|
||||
SELECT (1,2,3) = (1, NULL, 3+1);
|
||||
(1,2,3) = (1, NULL, 3+1)
|
||||
0
|
||||
SELECT * FROM t1 WHERE (a,b,c) = (1,2,3);
|
||||
a b c
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||||
1 2 3
|
||||
SELECT (1,2,3) <> (1, NULL, 3);
|
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(1,2,3) <> (1, NULL, 3)
|
||||
NULL
|
||||
SELECT (1,2,3) <> (1+1, NULL, 3);
|
||||
(1,2,3) <> (1+1, NULL, 3)
|
||||
1
|
||||
SELECT (1,2,3) <> (1, NULL, 3+1);
|
||||
(1,2,3) <> (1, NULL, 3+1)
|
||||
1
|
||||
SELECT * FROM t1 WHERE (a,b,c) <> (1,2,3);
|
||||
a b c
|
||||
NULL 2 4
|
||||
1 NULL 4
|
||||
1 3 NULL
|
||||
NULL 2 2
|
||||
1 NULL 2
|
||||
1 1 NULL
|
||||
SELECT (1,2,3) < (NULL, 2, 3);
|
||||
(1,2,3) < (NULL, 2, 3)
|
||||
NULL
|
||||
SELECT (1,2,3) < (1, NULL, 3);
|
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(1,2,3) < (1, NULL, 3)
|
||||
NULL
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||||
SELECT (1,2,3) < (1-1, NULL, 3);
|
||||
(1,2,3) < (1-1, NULL, 3)
|
||||
0
|
||||
SELECT (1,2,3) < (1+1, NULL, 3);
|
||||
(1,2,3) < (1+1, NULL, 3)
|
||||
1
|
||||
SELECT * FROM t1 WHERE (a,b,c) < (1,2,3);
|
||||
a b c
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1 1 NULL
|
||||
SELECT (1,2,3) <= (NULL, 2, 3);
|
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(1,2,3) <= (NULL, 2, 3)
|
||||
NULL
|
||||
SELECT (1,2,3) <= (1, NULL, 3);
|
||||
(1,2,3) <= (1, NULL, 3)
|
||||
NULL
|
||||
SELECT (1,2,3) <= (1-1, NULL, 3);
|
||||
(1,2,3) <= (1-1, NULL, 3)
|
||||
0
|
||||
SELECT (1,2,3) <= (1+1, NULL, 3);
|
||||
(1,2,3) <= (1+1, NULL, 3)
|
||||
1
|
||||
SELECT * FROM t1 WHERE (a,b,c) <= (1,2,3);
|
||||
a b c
|
||||
1 2 3
|
||||
1 1 NULL
|
||||
SELECT (1,2,3) > (NULL, 2, 3);
|
||||
(1,2,3) > (NULL, 2, 3)
|
||||
NULL
|
||||
SELECT (1,2,3) > (1, NULL, 3);
|
||||
(1,2,3) > (1, NULL, 3)
|
||||
NULL
|
||||
SELECT (1,2,3) > (1-1, NULL, 3);
|
||||
(1,2,3) > (1-1, NULL, 3)
|
||||
1
|
||||
SELECT (1,2,3) > (1+1, NULL, 3);
|
||||
(1,2,3) > (1+1, NULL, 3)
|
||||
0
|
||||
SELECT * FROM t1 WHERE (a,b,c) > (1,2,3);
|
||||
a b c
|
||||
1 3 NULL
|
||||
SELECT (1,2,3) >= (NULL, 2, 3);
|
||||
(1,2,3) >= (NULL, 2, 3)
|
||||
NULL
|
||||
SELECT (1,2,3) >= (1, NULL, 3);
|
||||
(1,2,3) >= (1, NULL, 3)
|
||||
NULL
|
||||
SELECT (1,2,3) >= (1-1, NULL, 3);
|
||||
(1,2,3) >= (1-1, NULL, 3)
|
||||
1
|
||||
SELECT (1,2,3) >= (1+1, NULL, 3);
|
||||
(1,2,3) >= (1+1, NULL, 3)
|
||||
0
|
||||
SELECT * FROM t1 WHERE (a,b,c) >= (1,2,3);
|
||||
a b c
|
||||
1 2 3
|
||||
1 3 NULL
|
||||
DROP TABLE t1;
|
||||
SELECT ROW(1,1,1) = ROW(1,1,1) as `1`, ROW(1,1,1) = ROW(1,2,1) as `0`, ROW(1,NULL,1) = ROW(2,2,1) as `0`, ROW(1,NULL,1) = ROW(1,2,2) as `0`, ROW(1,NULL,1) = ROW(1,2,1) as `null` ;
|
||||
1 0 0 0 null
|
||||
1 0 0 0 NULL
|
||||
|
||||
1
mysql-test/r/rpl_critical_errors.result
Normal file
1
mysql-test/r/rpl_critical_errors.result
Normal file
@@ -0,0 +1 @@
|
||||
Turn on parsing to run this test
|
||||
56
mysql-test/r/rpl_critical_errors.result.txt
Normal file
56
mysql-test/r/rpl_critical_errors.result.txt
Normal file
@@ -0,0 +1,56 @@
|
||||
stop slave;
|
||||
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
|
||||
reset master;
|
||||
reset slave;
|
||||
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
|
||||
start slave;
|
||||
CREATE TABLE t1 (data LONGBLOB) ENGINE=MYISAM;
|
||||
CREATE TABLE t2 (data LONGBLOB) ENGINE=MYISAM;
|
||||
INSERT INTO t1 (data) VALUES (repeat('a',1024*1024));
|
||||
INSERT INTO t1 SELECT * FROM t1;
|
||||
INSERT INTO t1 SELECT * FROM t1;
|
||||
INSERT INTO t1 SELECT * FROM t1;
|
||||
INSERT INTO t1 SELECT * FROM t1;
|
||||
INSERT INTO t1 SELECT * FROM t1;
|
||||
INSERT INTO t1 SELECT * FROM t1;
|
||||
INSERT INTO t1 SELECT * FROM t1;
|
||||
INSERT INTO t1 SELECT * FROM t1;
|
||||
INSERT INTO t2 SELECT * FROM t1;
|
||||
KILL QUERY 2;
|
||||
SELECT COUNT(*) FROM t2;
|
||||
COUNT(*)
|
||||
0
|
||||
SHOW SLAVE STATUS;
|
||||
Slave_IO_State #
|
||||
Master_Host 127.0.0.1
|
||||
Master_User root
|
||||
Master_Port MASTER_PORT
|
||||
Connect_Retry 1
|
||||
Master_Log_File master-bin.000001
|
||||
Read_Master_Log_Pos #
|
||||
Relay_Log_File #
|
||||
Relay_Log_Pos #
|
||||
Relay_Master_Log_File master-bin.000001
|
||||
Slave_IO_Running Yes
|
||||
Slave_SQL_Running No
|
||||
Replicate_Do_DB
|
||||
Replicate_Ignore_DB
|
||||
Replicate_Do_Table
|
||||
Replicate_Ignore_Table
|
||||
Replicate_Wild_Do_Table
|
||||
Replicate_Wild_Ignore_Table
|
||||
Last_Errno 1317
|
||||
Last_Error #
|
||||
Skip_Counter 0
|
||||
Exec_Master_Log_Pos #
|
||||
Relay_Log_Space #
|
||||
Until_Condition None
|
||||
Until_Log_File
|
||||
Until_Log_Pos 0
|
||||
Master_SSL_Allowed No
|
||||
Master_SSL_CA_File
|
||||
Master_SSL_CA_Path
|
||||
Master_SSL_Cert
|
||||
Master_SSL_Cipher
|
||||
Master_SSL_Key
|
||||
Seconds_Behind_Master #
|
||||
@@ -6068,6 +6068,56 @@ select bug20777(18446744073709551613)+1;
|
||||
bug20777(18446744073709551613)+1
|
||||
18446744073709551614
|
||||
drop function bug20777;
|
||||
DROP FUNCTION IF EXISTS bug5274_f1|
|
||||
DROP FUNCTION IF EXISTS bug5274_f2|
|
||||
CREATE FUNCTION bug5274_f1(p1 CHAR) RETURNS CHAR
|
||||
RETURN CONCAT(p1, p1)|
|
||||
CREATE FUNCTION bug5274_f2() RETURNS CHAR
|
||||
BEGIN
|
||||
DECLARE v1 INT DEFAULT 0;
|
||||
DECLARE v2 CHAR DEFAULT 'x';
|
||||
WHILE v1 < 30 DO
|
||||
SET v1 = v1 + 1;
|
||||
SET v2 = bug5274_f1(v2);
|
||||
END WHILE;
|
||||
RETURN v2;
|
||||
END|
|
||||
SELECT bug5274_f2()|
|
||||
bug5274_f2()
|
||||
x
|
||||
Warnings:
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
Warning 1265 Data truncated for column 'bug5274_f1' at row 1
|
||||
DROP FUNCTION bug5274_f1|
|
||||
DROP FUNCTION bug5274_f2|
|
||||
End of 5.0 tests.
|
||||
drop table t1,t2;
|
||||
CREATE TABLE t1 (a int auto_increment primary key) engine=MyISAM;
|
||||
|
||||
@@ -692,3 +692,22 @@ a MAX(b) test
|
||||
2 3 h
|
||||
3 4 i
|
||||
DROP TABLE t1, t2;
|
||||
CREATE TABLE t1 (a int);
|
||||
CREATE TABLE t2 (b int, PRIMARY KEY(b));
|
||||
INSERT INTO t1 VALUES (1), (NULL), (4);
|
||||
INSERT INTO t2 VALUES (3), (1),(2), (5), (4), (7), (6);
|
||||
EXPLAIN EXTENDED
|
||||
SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1));
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 Using where
|
||||
1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 Using index
|
||||
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 3 Using where
|
||||
Warnings:
|
||||
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`b` = `test`.`t1`.`a`) and (not(<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t1` where ((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`)) having <is_not_null_test>(`test`.`t1`.`a`))))))
|
||||
SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1));
|
||||
a
|
||||
SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1 WHERE a > 4));
|
||||
a
|
||||
1
|
||||
4
|
||||
DROP TABLE t1,t2;
|
||||
|
||||
@@ -637,6 +637,37 @@ set lc_time_names=0;
|
||||
select @@lc_time_names;
|
||||
@@lc_time_names
|
||||
en_US
|
||||
select @@global.lc_time_names, @@lc_time_names;
|
||||
@@global.lc_time_names @@lc_time_names
|
||||
en_US en_US
|
||||
set @@global.lc_time_names=fr_FR;
|
||||
select @@global.lc_time_names, @@lc_time_names;
|
||||
@@global.lc_time_names @@lc_time_names
|
||||
fr_FR en_US
|
||||
New connection
|
||||
select @@global.lc_time_names, @@lc_time_names;
|
||||
@@global.lc_time_names @@lc_time_names
|
||||
fr_FR fr_FR
|
||||
set @@lc_time_names=ru_RU;
|
||||
select @@global.lc_time_names, @@lc_time_names;
|
||||
@@global.lc_time_names @@lc_time_names
|
||||
fr_FR ru_RU
|
||||
Returnung to default connection
|
||||
select @@global.lc_time_names, @@lc_time_names;
|
||||
@@global.lc_time_names @@lc_time_names
|
||||
fr_FR en_US
|
||||
set lc_time_names=default;
|
||||
select @@global.lc_time_names, @@lc_time_names;
|
||||
@@global.lc_time_names @@lc_time_names
|
||||
fr_FR fr_FR
|
||||
set @@global.lc_time_names=default;
|
||||
select @@global.lc_time_names, @@lc_time_names;
|
||||
@@global.lc_time_names @@lc_time_names
|
||||
en_US fr_FR
|
||||
set @@lc_time_names=default;
|
||||
select @@global.lc_time_names, @@lc_time_names;
|
||||
@@global.lc_time_names @@lc_time_names
|
||||
en_US en_US
|
||||
set @test = @@query_prealloc_size;
|
||||
set @@query_prealloc_size = @test;
|
||||
select @@query_prealloc_size = @test;
|
||||
|
||||
@@ -3319,4 +3319,39 @@ lgid clid
|
||||
2 YES
|
||||
DROP VIEW v1;
|
||||
DROP table t1,t2;
|
||||
CREATE TABLE t1 (a INT);
|
||||
INSERT INTO t1 VALUES (1),(2),(3);
|
||||
CREATE VIEW v1 AS SELECT a FROM t1 ORDER BY a;
|
||||
SELECT * FROM t1 UNION SELECT * FROM v1;
|
||||
a
|
||||
1
|
||||
2
|
||||
3
|
||||
EXPLAIN SELECT * FROM t1 UNION SELECT * FROM v1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 ALL NULL NULL NULL NULL 3
|
||||
2 UNION t1 ALL NULL NULL NULL NULL 3
|
||||
NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL
|
||||
SELECT * FROM v1 UNION SELECT * FROM t1;
|
||||
a
|
||||
1
|
||||
2
|
||||
3
|
||||
EXPLAIN SELECT * FROM v1 UNION SELECT * FROM t1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 ALL NULL NULL NULL NULL 3
|
||||
2 UNION t1 ALL NULL NULL NULL NULL 3
|
||||
NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL
|
||||
SELECT * FROM t1 UNION SELECT * FROM v1 ORDER BY a;
|
||||
a
|
||||
1
|
||||
2
|
||||
3
|
||||
EXPLAIN SELECT * FROM t1 UNION SELECT * FROM v1 ORDER BY a;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 ALL NULL NULL NULL NULL 3
|
||||
2 UNION t1 ALL NULL NULL NULL NULL 3
|
||||
NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL Using filesort
|
||||
DROP VIEW v1;
|
||||
DROP TABLE t1;
|
||||
End of 5.0 tests.
|
||||
|
||||
Reference in New Issue
Block a user