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mirror of https://github.com/MariaDB/server.git synced 2025-10-22 19:52:58 +03:00

Manual merge of mysql-5.1-bugteam into mysql-trunk-merge.

This commit is contained in:
Alexey Kopytov
2009-12-11 19:40:58 +03:00
56 changed files with 1925 additions and 344 deletions

View File

@@ -1848,6 +1848,24 @@ select hex(_utf8 B'001111111111');
ERROR HY000: Invalid utf8 character string: 'FF'
select (_utf8 X'616263FF');
ERROR HY000: Invalid utf8 character string: 'FF'
#
# Bug#44131 Binary-mode "order by" returns records in incorrect order for UTF-8 strings
#
CREATE TABLE t1 (id int not null primary key, name varchar(10)) character set utf8;
INSERT INTO t1 VALUES
(2,'一二三01'),(3,'一二三09'),(4,'一二三02'),(5,'一二三08'),
(6,'一二三11'),(7,'一二三91'),(8,'一二三21'),(9,'一二三81');
SELECT * FROM t1 ORDER BY BINARY(name);
id name
2 一二三01
4 一二三02
5 一二三08
3 一二三09
6 一二三11
8 一二三21
9 一二三81
7 一二三91
DROP TABLE t1;
CREATE TABLE t1 (a INT NOT NULL, b INT NOT NULL);
INSERT INTO t1 VALUES (70000, 1092), (70001, 1085), (70002, 1065);
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b;

View File

@@ -2561,6 +2561,35 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 Using join buffer
2 DERIVED t1 ALL NULL NULL NULL NULL 2
drop table t1;
#
# Bug#49141: Encode function is significantly slower in 5.1 compared to 5.0
#
DROP TABLE IF EXISTS t1, t2;
CREATE TABLE t1 (a VARCHAR(20), b INT);
CREATE TABLE t2 (a VARCHAR(20), b INT);
INSERT INTO t1 VALUES ('ABC', 1);
INSERT INTO t2 VALUES ('ABC', 1);
SELECT DECODE((SELECT ENCODE('secret', t1.a) FROM t1,t2 WHERE t1.a = t2.a GROUP BY t1.b), t2.a)
FROM t1,t2 WHERE t1.b = t1.b > 0 GROUP BY t2.b;
DECODE((SELECT ENCODE('secret', t1.a) FROM t1,t2 WHERE t1.a = t2.a GROUP BY t1.b), t2.a)
secret
SELECT DECODE((SELECT ENCODE('secret', 'ABC') FROM t1,t2 WHERE t1.a = t2.a GROUP BY t1.b), t2.a)
FROM t1,t2 WHERE t1.b = t1.b > 0 GROUP BY t2.b;
DECODE((SELECT ENCODE('secret', 'ABC') FROM t1,t2 WHERE t1.a = t2.a GROUP BY t1.b), t2.a)
secret
SELECT DECODE((SELECT ENCODE('secret', t1.a) FROM t1,t2 WHERE t1.a = t2.a GROUP BY t1.b), 'ABC')
FROM t1,t2 WHERE t1.b = t1.b > 0 GROUP BY t2.b;
DECODE((SELECT ENCODE('secret', t1.a) FROM t1,t2 WHERE t1.a = t2.a GROUP BY t1.b), 'ABC')
secret
TRUNCATE TABLE t1;
TRUNCATE TABLE t2;
INSERT INTO t1 VALUES ('EDF', 3), ('BCD', 2), ('ABC', 1);
INSERT INTO t2 VALUES ('EDF', 3), ('BCD', 2), ('ABC', 1);
SELECT DECODE((SELECT ENCODE('secret', t1.a) FROM t1,t2 WHERE t1.a = t2.a GROUP BY t1.b LIMIT 1), t2.a)
FROM t2 WHERE t2.b = 1 GROUP BY t2.b;
DECODE((SELECT ENCODE('secret', t1.a) FROM t1,t2 WHERE t1.a = t2.a GROUP BY t1.b LIMIT 1), t2.a)
secret
DROP TABLE t1, t2;
Start of 5.4 tests
SELECT format(12345678901234567890.123, 3);
format(12345678901234567890.123, 3)

View File

@@ -127,4 +127,46 @@ mysql.time_zone_transition OK
mysql.time_zone_transition_type OK
mysql.user OK
set GLOBAL sql_mode=default;
#
# Bug #41569 mysql_upgrade (ver 5.1) add 3 fields to mysql.proc table
# but does not set values.
#
CREATE PROCEDURE testproc() BEGIN END;
UPDATE mysql.proc SET character_set_client = NULL WHERE name LIKE 'testproc';
UPDATE mysql.proc SET collation_connection = NULL WHERE name LIKE 'testproc';
UPDATE mysql.proc SET db_collation = NULL WHERE name LIKE 'testproc';
mtr.global_suppressions OK
mtr.test_suppressions OK
mysql.columns_priv OK
mysql.db OK
mysql.event OK
mysql.func OK
mysql.general_log
Error : You can't use locks with log tables.
status : OK
mysql.help_category OK
mysql.help_keyword OK
mysql.help_relation OK
mysql.help_topic OK
mysql.host OK
mysql.ndb_binlog_index OK
mysql.plugin OK
mysql.proc OK
mysql.procs_priv OK
mysql.servers OK
mysql.slow_log
Error : You can't use locks with log tables.
status : OK
mysql.tables_priv OK
mysql.time_zone OK
mysql.time_zone_leap_second OK
mysql.time_zone_name OK
mysql.time_zone_transition OK
mysql.time_zone_transition_type OK
mysql.user OK
CALL testproc();
DROP PROCEDURE testproc;
WARNING: NULL values of the 'character_set_client' column ('mysql.proc' table) have been updated with a default value (latin1). Please verify if necessary.
WARNING: NULL values of the 'collation_connection' column ('mysql.proc' table) have been updated with a default value (latin1_swedish_ci). Please verify if necessary.
WARNING: NULL values of the 'db_collation' column ('mysql.proc' table) have been updated with default values. Please verify if necessary.
The --upgrade-system-tables option was used, databases won't be touched.

View File

@@ -1463,6 +1463,15 @@ id select_type table type possible_keys key key_len ref rows Extra
SELECT 1 AS col FROM t1 WHERE a=2 AND (c=10 OR c IS NULL) ORDER BY c;
col
1
# Must use ref-or-null on the a_c index
EXPLAIN
SELECT 1 AS col FROM t1 WHERE a=2 AND (c=10 OR c IS NULL) ORDER BY c DESC;
id select_type table type possible_keys key key_len ref rows Extra
x x x ref_or_null a_c,a x x x x x
# Must return 1 row
SELECT 1 AS col FROM t1 WHERE a=2 AND (c=10 OR c IS NULL) ORDER BY c DESC;
col
1
DROP TABLE t1;
End of 5.0 tests
CREATE TABLE t2 (a varchar(32), b int(11), c float, d double,

View File

@@ -1917,6 +1917,31 @@ execute stmt using @arg;
?
-12345.5432100000
deallocate prepare stmt;
#
# Bug#48508: Crash on prepared statement re-execution.
#
create table t1(b int);
insert into t1 values (0);
create view v1 AS select 1 as a from t1 where b;
prepare stmt from "select * from v1 where a";
execute stmt;
a
execute stmt;
a
deallocate prepare stmt;
drop table t1;
drop view v1;
create table t1(a bigint);
create table t2(b tinyint);
insert into t2 values (null);
prepare stmt from "select 1 from t1 join t2 on a xor b where b > 1 and a =1";
execute stmt;
1
execute stmt;
1
deallocate prepare stmt;
drop table t1,t2;
#
End of 5.0 tests.
create procedure proc_1() reset query cache;
call proc_1();
@@ -2926,6 +2951,25 @@ execute stmt;
Db Name Definer Time zone Type Execute at Interval value Interval field Starts Ends Status Originator character_set_client collation_connection Database Collation
drop table t1;
deallocate prepare stmt;
#
# Bug#49141: Encode function is significantly slower in 5.1 compared to 5.0
#
prepare encode from "select encode(?, ?) into @ciphertext";
prepare decode from "select decode(?, ?) into @plaintext";
set @str="abc", @key="cba";
execute encode using @str, @key;
execute decode using @ciphertext, @key;
select @plaintext;
@plaintext
abc
set @str="bcd", @key="dcb";
execute encode using @str, @key;
execute decode using @ciphertext, @key;
select @plaintext;
@plaintext
bcd
deallocate prepare encode;
deallocate prepare decode;
End of 5.1 tests.

View File

@@ -4441,6 +4441,91 @@ 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 `test`.`t1` 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 `test`.`t1` 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 `test`.`t1` 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 `test`.`t1` 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 `test`.`t1` 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 `test`.`t1` 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 `test`.`t1` `x` join `test`.`t1` `y` join `test`.`t1` `z` 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);
@@ -4609,4 +4694,14 @@ 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

View File

@@ -1453,4 +1453,10 @@ GRANT PROCESS ON *.* TO test_u@localhost;
SHOW ENGINE MYISAM MUTEX;
SHOW ENGINE MYISAM STATUS;
DROP USER test_u@localhost;
#
# Bug #48985: show create table crashes if previous access to the table
# was killed
#
SHOW CREATE TABLE non_existent;
ERROR 70100: Query execution was interrupted
End of 5.1 tests

View File

@@ -12,3 +12,29 @@ a
foo string
drop function bug17615|
drop table t3|
SET NAMES utf8;
DROP FUNCTION IF EXISTS bug48766;
CREATE FUNCTION bug48766 ()
RETURNS ENUM( 'w' ) CHARACTER SET ucs2
RETURN 0;
SHOW CREATE FUNCTION bug48766;
Function sql_mode Create Function character_set_client collation_connection Database Collation
bug48766 CREATE DEFINER=`root`@`localhost` FUNCTION `bug48766`() RETURNS enum('w') CHARSET ucs2
RETURN 0 utf8 utf8_general_ci latin1_swedish_ci
SELECT DTD_IDENTIFIER FROM INFORMATION_SCHEMA.ROUTINES
WHERE ROUTINE_NAME='bug48766';
DTD_IDENTIFIER
enum('w') CHARSET ucs2
DROP FUNCTION bug48766;
CREATE FUNCTION bug48766 ()
RETURNS ENUM('а','б','в','г') CHARACTER SET ucs2
RETURN 0;
SHOW CREATE FUNCTION bug48766;
Function sql_mode Create Function character_set_client collation_connection Database Collation
bug48766 CREATE DEFINER=`root`@`localhost` FUNCTION `bug48766`() RETURNS enum('а','б','в','г') CHARSET ucs2
RETURN 0 utf8 utf8_general_ci latin1_swedish_ci
SELECT DTD_IDENTIFIER FROM INFORMATION_SCHEMA.ROUTINES
WHERE ROUTINE_NAME='bug48766';
DTD_IDENTIFIER
enum('а','б','в','г') CHARSET ucs2
DROP FUNCTION bug48766;

View File

@@ -46,3 +46,267 @@ a
2001
drop table t1;
End of 5.0 tests
#
# Bug #49480: WHERE using YEAR columns returns unexpected results
#
CREATE TABLE t2(yy YEAR(2), c2 CHAR(4));
CREATE TABLE t4(yyyy YEAR(4), c4 CHAR(4));
INSERT INTO t2 (c2) VALUES (NULL),(1970),(1999),(2000),(2001),(2069);
INSERT INTO t4 (c4) SELECT c2 FROM t2;
UPDATE t2 SET yy = c2;
UPDATE t4 SET yyyy = c4;
SELECT * FROM t2;
yy c2
NULL NULL
70 1970
99 1999
00 2000
01 2001
69 2069
SELECT * FROM t4;
yyyy c4
NULL NULL
1970 1970
1999 1999
2000 2000
2001 2001
2069 2069
# Comparison of YEAR(2) with YEAR(4)
SELECT * FROM t2, t4 WHERE yy = yyyy;
yy c2 yyyy c4
70 1970 1970 1970
99 1999 1999 1999
00 2000 2000 2000
01 2001 2001 2001
69 2069 2069 2069
SELECT * FROM t2, t4 WHERE yy <=> yyyy;
yy c2 yyyy c4
NULL NULL NULL NULL
70 1970 1970 1970
99 1999 1999 1999
00 2000 2000 2000
01 2001 2001 2001
69 2069 2069 2069
SELECT * FROM t2, t4 WHERE yy < yyyy;
yy c2 yyyy c4
70 1970 1999 1999
70 1970 2000 2000
99 1999 2000 2000
70 1970 2001 2001
99 1999 2001 2001
00 2000 2001 2001
70 1970 2069 2069
99 1999 2069 2069
00 2000 2069 2069
01 2001 2069 2069
SELECT * FROM t2, t4 WHERE yy > yyyy;
yy c2 yyyy c4
99 1999 1970 1970
00 2000 1970 1970
01 2001 1970 1970
69 2069 1970 1970
00 2000 1999 1999
01 2001 1999 1999
69 2069 1999 1999
01 2001 2000 2000
69 2069 2000 2000
69 2069 2001 2001
# Comparison of YEAR(2) with YEAR(2)
SELECT * FROM t2 a, t2 b WHERE a.yy = b.yy;
yy c2 yy c2
70 1970 70 1970
99 1999 99 1999
00 2000 00 2000
01 2001 01 2001
69 2069 69 2069
SELECT * FROM t2 a, t2 b WHERE a.yy <=> b.yy;
yy c2 yy c2
NULL NULL NULL NULL
70 1970 70 1970
99 1999 99 1999
00 2000 00 2000
01 2001 01 2001
69 2069 69 2069
SELECT * FROM t2 a, t2 b WHERE a.yy < b.yy;
yy c2 yy c2
70 1970 99 1999
70 1970 00 2000
99 1999 00 2000
70 1970 01 2001
99 1999 01 2001
00 2000 01 2001
70 1970 69 2069
99 1999 69 2069
00 2000 69 2069
01 2001 69 2069
# Comparison of YEAR(4) with YEAR(4)
SELECT * FROM t4 a, t4 b WHERE a.yyyy = b.yyyy;
yyyy c4 yyyy c4
1970 1970 1970 1970
1999 1999 1999 1999
2000 2000 2000 2000
2001 2001 2001 2001
2069 2069 2069 2069
SELECT * FROM t4 a, t4 b WHERE a.yyyy <=> b.yyyy;
yyyy c4 yyyy c4
NULL NULL NULL NULL
1970 1970 1970 1970
1999 1999 1999 1999
2000 2000 2000 2000
2001 2001 2001 2001
2069 2069 2069 2069
SELECT * FROM t4 a, t4 b WHERE a.yyyy < b.yyyy;
yyyy c4 yyyy c4
1970 1970 1999 1999
1970 1970 2000 2000
1999 1999 2000 2000
1970 1970 2001 2001
1999 1999 2001 2001
2000 2000 2001 2001
1970 1970 2069 2069
1999 1999 2069 2069
2000 2000 2069 2069
2001 2001 2069 2069
# Comparison with constants:
SELECT * FROM t2 WHERE yy = NULL;
yy c2
SELECT * FROM t4 WHERE yyyy = NULL;
yyyy c4
SELECT * FROM t2 WHERE yy <=> NULL;
yy c2
NULL NULL
SELECT * FROM t4 WHERE yyyy <=> NULL;
yyyy c4
NULL NULL
SELECT * FROM t2 WHERE yy < NULL;
yy c2
SELECT * FROM t2 WHERE yy > NULL;
yy c2
SELECT * FROM t2 WHERE yy = NOW();
yy c2
SELECT * FROM t4 WHERE yyyy = NOW();
yyyy c4
SELECT * FROM t2 WHERE yy = 99;
yy c2
99 1999
SELECT * FROM t2 WHERE 99 = yy;
yy c2
99 1999
SELECT * FROM t4 WHERE yyyy = 99;
yyyy c4
1999 1999
SELECT * FROM t2 WHERE yy = 'test';
yy c2
00 2000
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: 'test'
SELECT * FROM t4 WHERE yyyy = 'test';
yyyy c4
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: 'test'
SELECT * FROM t2 WHERE yy = '1999';
yy c2
99 1999
SELECT * FROM t4 WHERE yyyy = '1999';
yyyy c4
1999 1999
SELECT * FROM t2 WHERE yy = 1999;
yy c2
99 1999
SELECT * FROM t4 WHERE yyyy = 1999;
yyyy c4
1999 1999
SELECT * FROM t2 WHERE yy = 1999.1;
yy c2
99 1999
SELECT * FROM t4 WHERE yyyy = 1999.1;
yyyy c4
1999 1999
SELECT * FROM t2 WHERE yy = 1998.9;
yy c2
99 1999
SELECT * FROM t4 WHERE yyyy = 1998.9;
yyyy c4
1999 1999
# Coverage tests for YEAR with zero/2000 constants:
SELECT * FROM t2 WHERE yy = 0;
yy c2
00 2000
SELECT * FROM t2 WHERE yy = '0';
yy c2
00 2000
SELECT * FROM t2 WHERE yy = '0000';
yy c2
00 2000
SELECT * FROM t2 WHERE yy = '2000';
yy c2
00 2000
SELECT * FROM t2 WHERE yy = 2000;
yy c2
00 2000
SELECT * FROM t4 WHERE yyyy = 0;
yyyy c4
SELECT * FROM t4 WHERE yyyy = '0';
yyyy c4
2000 2000
SELECT * FROM t4 WHERE yyyy = '0000';
yyyy c4
SELECT * FROM t4 WHERE yyyy = '2000';
yyyy c4
2000 2000
SELECT * FROM t4 WHERE yyyy = 2000;
yyyy c4
2000 2000
# Comparison with constants those are out of YEAR range
# (coverage test for backward compatibility)
SELECT COUNT(yy) FROM t2;
COUNT(yy)
5
SELECT COUNT(yyyy) FROM t4;
COUNT(yyyy)
5
SELECT COUNT(*) FROM t2 WHERE yy = -1;
COUNT(*)
0
SELECT COUNT(*) FROM t4 WHERE yyyy > -1;
COUNT(*)
5
SELECT COUNT(*) FROM t2 WHERE yy > -1000000000000000000;
COUNT(*)
5
SELECT COUNT(*) FROM t4 WHERE yyyy > -1000000000000000000;
COUNT(*)
5
SELECT COUNT(*) FROM t2 WHERE yy < 2156;
COUNT(*)
5
SELECT COUNT(*) FROM t4 WHERE yyyy < 2156;
COUNT(*)
5
SELECT COUNT(*) FROM t2 WHERE yy < 1000000000000000000;
COUNT(*)
5
SELECT COUNT(*) FROM t4 WHERE yyyy < 1000000000000000000;
COUNT(*)
5
SELECT * FROM t2 WHERE yy < 123;
yy c2
70 1970
99 1999
00 2000
01 2001
69 2069
SELECT * FROM t2 WHERE yy > 123;
yy c2
SELECT * FROM t4 WHERE yyyy < 123;
yyyy c4
SELECT * FROM t4 WHERE yyyy > 123;
yyyy c4
1970 1970
1999 1999
2000 2000
2001 2001
2069 2069
DROP TABLE t2, t4;
#
End of 5.1 tests