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drop table if exists t1,t2;
create table t1 (a int, b varchar(200), c text not null) checksum=1;
create table t2 (a int, b varchar(200), c text not null) checksum=0;
insert t1 values (1, "aaa", "bbb"), (NULL, "", "ccccc"), (0, NULL, "");
insert t2 select * from t1;
checksum table t1, t2;
Table Checksum
test.t1 2948697075
test.t2 2948697075
checksum table t1, t2 quick;
Table Checksum
test.t1 NULL
test.t2 NULL
checksum table t1, t2 extended;
Table Checksum
test.t1 2948697075
test.t2 2948697075
drop table t1,t2;
SHOW PROCESSLIST;
Id User Host db Command Time State Info
<Id> root <Host> test Query <Time> <State> SHOW PROCESSLIST
#
# MDEV-5372 Make "CAST(time_expr AS DATETIME)" compatible with the SQL Standard)
#
set @@old_mode=zero_date_time_cast;
SELECT CAST(TIME'-10:30:30' AS DATETIME);
CAST(TIME'-10:30:30' AS DATETIME)
NULL
Warnings:
Warning 1292 Truncated incorrect datetime value: '-10:30:30'
SELECT CAST(TIME'10:20:30' AS DATETIME);
CAST(TIME'10:20:30' AS DATETIME)
0000-00-00 10:20:30
SELECT CAST(TIME'830:20:30' AS DATETIME);
CAST(TIME'830:20:30' AS DATETIME)
0000-01-03 14:20:30
CREATE TABLE t1 (a DATETIME);
INSERT IGNORE INTO t1 VALUES (TIME'-10:20:30');
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
INSERT INTO t1 VALUES (TIME'10:20:30');
INSERT INTO t1 VALUES (TIME'830:20:30');
SELECT * FROM t1;
a
0000-00-00 00:00:00
0000-00-00 10:20:30
0000-01-03 14:20:30
DROP TABLE t1;
CREATE TABLE t1 (a TIMESTAMP);
INSERT IGNORE INTO t1 VALUES (TIME'-10:20:30');
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
INSERT IGNORE INTO t1 VALUES (TIME'10:20:30');
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
INSERT IGNORE INTO t1 VALUES (TIME'830:20:30');
Warnings:
Warning 1264 Out of range value for column 'a' at row 1
SELECT * FROM t1;
a
0000-00-00 00:00:00
0000-00-00 00:00:00
0000-00-00 00:00:00
DROP TABLE t1;
CREATE TABLE t1 (a TIME);
INSERT INTO t1 VALUES (TIME'-10:20:30');
INSERT INTO t1 VALUES (TIME'10:20:30');
INSERT INTO t1 VALUES (TIME'830:20:30');
SELECT a, CAST(a AS DATETIME), TO_DAYS(a) FROM t1;
a CAST(a AS DATETIME) TO_DAYS(a)
-10:20:30 NULL NULL
10:20:30 0000-00-00 10:20:30 NULL
830:20:30 0000-01-03 14:20:30 NULL
Warnings:
Warning 1292 Truncated incorrect datetime value: '-10:20:30'
Warning 1264 Out of range value for column 'a' at row 1
Warning 1264 Out of range value for column 'a' at row 2
Warning 1264 Out of range value for column 'a' at row 3
DROP TABLE t1;
SELECT TO_DAYS(TIME'-10:20:30');
TO_DAYS(TIME'-10:20:30')
NULL
Warnings:
Warning 1292 Truncated incorrect datetime value: '-10:20:30'
SELECT TO_DAYS(TIME'10:20:30');
TO_DAYS(TIME'10:20:30')
NULL
Warnings:
Warning 1292 Truncated incorrect datetime value: '10:20:30'
SELECT TO_DAYS(TIME'830:20:30');
TO_DAYS(TIME'830:20:30')
3
CREATE TABLE t1 (a DATETIME, b TIME);
INSERT INTO t1 VALUES (NULL, '00:20:12');
INSERT INTO t1 VALUES (NULL, '-00:20:12');
SELECT IF(1,ADDDATE(IFNULL(a,b),0),1) FROM t1;
IF(1,ADDDATE(IFNULL(a,b),0),1)
NULL
NULL
Warnings:
Warning 1292 Incorrect datetime value: '0000-00-00 00:20:12'
Warning 1292 Truncated incorrect datetime value: '-00:20:12'
DROP TABLE t1;
#
# MDEV-6649 Different warnings for TIME and TIME(N) when @@old_mode=zero_date_time_cast
#
SET @@global.mysql56_temporal_format=true;
SET @@old_mode=zero_date_time_cast;
CREATE TABLE t1 (a TIME,b TIME(1));
INSERT INTO t1 VALUES (TIME'830:20:30',TIME'830:20:30');
SELECT TO_DAYS(a), TO_DAYS(b) FROM t1;
TO_DAYS(a) TO_DAYS(b)
NULL NULL
Warnings:
Warning 1264 Out of range value for column 'a' at row 1
Warning 1264 Out of range value for column 'b' at row 1
DROP TABLE t1;
SET @@global.mysql56_temporal_format=false;
SET @@old_mode=zero_date_time_cast;
CREATE TABLE t1 (a TIME,b TIME(1));
INSERT INTO t1 VALUES (TIME'830:20:30',TIME'830:20:30');
SELECT TO_DAYS(a), TO_DAYS(b) FROM t1;
TO_DAYS(a) TO_DAYS(b)
NULL NULL
Warnings:
Warning 1264 Out of range value for column 'a' at row 1
Warning 1264 Out of range value for column 'b' at row 1
DROP TABLE t1;
SET @@global.mysql56_temporal_format=DEFAULT;
set time_zone='Europe/Moscow';
set global mysql56_temporal_format=false;
create table t1 (a timestamp);
set timestamp=1288477526;
insert t1 values (null);
insert t1 values ();
set timestamp=1288481126;
insert t1 values (null);
insert t1 values ();
select a, unix_timestamp(a) from t1;
a unix_timestamp(a)
2010-10-31 02:25:26 1288477526
2010-10-31 02:25:26 1288477526
2010-10-31 02:25:26 1288481126
2010-10-31 02:25:26 1288481126
set global mysql56_temporal_format=true;
select a, unix_timestamp(a) from t1;
a unix_timestamp(a)
2010-10-31 02:25:26 1288477526
2010-10-31 02:25:26 1288477526
2010-10-31 02:25:26 1288481126
2010-10-31 02:25:26 1288481126
alter table t1 modify a timestamp;
select a, unix_timestamp(a) from t1;
a unix_timestamp(a)
2010-10-31 02:25:26 1288477526
2010-10-31 02:25:26 1288477526
2010-10-31 02:25:26 1288481126
2010-10-31 02:25:26 1288481126
drop table t1;
set global mysql56_temporal_format=false;
create table t1 (a timestamp);
set timestamp=1288477526;
insert t1 values (null);
set timestamp=1288481126;
insert t1 values (null);
select a, unix_timestamp(a) from t1;
a unix_timestamp(a)
2010-10-31 02:25:26 1288477526
2010-10-31 02:25:26 1288481126
set global mysql56_temporal_format=true;
select a, unix_timestamp(a) from t1;
a unix_timestamp(a)
2010-10-31 02:25:26 1288477526
2010-10-31 02:25:26 1288481126
create table t2 (a timestamp);
insert t2 select a from t1;
select a, unix_timestamp(a) from t2;
a unix_timestamp(a)
2010-10-31 02:25:26 1288477526
2010-10-31 02:25:26 1288481126
drop table t1, t2;
set time_zone=DEFAULT;
#
# MDEV-13995 MAX(timestamp) returns a wrong result near DST change
#
SET global mysql56_temporal_format=false;
SET time_zone='+00:00';
CREATE TABLE t1 (a TIMESTAMP(0));
INSERT INTO t1 VALUES (FROM_UNIXTIME(1288477526) /*summer time in Moscow*/);
INSERT INTO t1 VALUES (FROM_UNIXTIME(1288477526+3599) /*winter time in Moscow*/);
SET time_zone='Europe/Moscow';
SELECT a, COALESCE(a), UNIX_TIMESTAMP(a) FROM t1;
a COALESCE(a) UNIX_TIMESTAMP(a)
2010-10-31 02:25:26 2010-10-31 02:25:26 1288477526
2010-10-31 02:25:25 2010-10-31 02:25:25 1288481125
SELECT MIN(a), UNIX_TIMESTAMP(MIN(a)) AS a FROM t1;
MIN(a) a
2010-10-31 02:25:26 1288477526
SELECT MAX(a), UNIX_TIMESTAMP(MAX(a)) AS a FROM t1;
MAX(a) a
2010-10-31 02:25:25 1288481125
SELECT t1.a, UNIX_TIMESTAMP(t1.a), t2.a, UNIX_TIMESTAMP(t2.a) FROM t1 t1, t1 t2 WHERE t1.a=t2.a;
a UNIX_TIMESTAMP(t1.a) a UNIX_TIMESTAMP(t2.a)
2010-10-31 02:25:26 1288477526 2010-10-31 02:25:26 1288477526
2010-10-31 02:25:25 1288481125 2010-10-31 02:25:25 1288481125
ALTER TABLE t1 MODIFY a TIMESTAMP(1);
SELECT a, COALESCE(a), UNIX_TIMESTAMP(a) FROM t1;
a COALESCE(a) UNIX_TIMESTAMP(a)
2010-10-31 02:25:26.0 2010-10-31 02:25:26.0 1288477526.0
2010-10-31 02:25:25.0 2010-10-31 02:25:25.0 1288481125.0
SELECT MIN(a), UNIX_TIMESTAMP(MIN(a)) AS a FROM t1;
MIN(a) a
2010-10-31 02:25:26.0 1288477526.0
SELECT MAX(a), UNIX_TIMESTAMP(MAX(a)) AS a FROM t1;
MAX(a) a
2010-10-31 02:25:25.0 1288481125.0
SELECT t1.a, UNIX_TIMESTAMP(t1.a), t2.a, UNIX_TIMESTAMP(t2.a) FROM t1 t1, t1 t2 WHERE t1.a=t2.a;
a UNIX_TIMESTAMP(t1.a) a UNIX_TIMESTAMP(t2.a)
2010-10-31 02:25:26.0 1288477526.0 2010-10-31 02:25:26.0 1288477526.0
2010-10-31 02:25:25.0 1288481125.0 2010-10-31 02:25:25.0 1288481125.0
DROP TABLE t1;
SET time_zone=DEFAULT;
SET global mysql56_temporal_format=true;
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