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Commit d53906e3 authored by Mattias Jonsson's avatar Mattias Jonsson
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Bug#11746819: 

Bug#28928: UNIX_TIMESTAMP() should be considered unary monotonic by partition pruning

Made UNIX_TIMESTAMP MONOTONIC_INCREASING when it have TIMESTAMP argument (only).
parent 378091e4
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mysql-test/r/partition.result
View file @ d53906e3
......@@ -76,6 +76,15 @@ a b
2007-07-30 17:35:48 p1
2009-07-14 17:35:55 pmax
2009-09-21 17:31:42 pmax
SELECT * FROM t1 where a between '2007-01-01' and '2007-08-01';
a b
2007-07-30 17:35:48 p1
EXPLAIN PARTITIONS SELECT * FROM t1 where a between '2007-01-01' and '2007-08-01';
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p1 system PRIMARY NULL NULL NULL 1
EXPLAIN PARTITIONS SELECT * FROM t1 where a = '2007-07-30 17:35:48';
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p1 system PRIMARY NULL NULL NULL 1
ALTER TABLE t1 REORGANIZE PARTITION pmax INTO (
PARTITION p3 VALUES LESS THAN (1247688000),
PARTITION pmax VALUES LESS THAN MAXVALUE);
......@@ -84,6 +93,15 @@ a b
2007-07-30 17:35:48 p1
2009-07-14 17:35:55 pmax
2009-09-21 17:31:42 pmax
SELECT * FROM t1 where a between '2007-01-01' and '2007-08-01';
a b
2007-07-30 17:35:48 p1
EXPLAIN PARTITIONS SELECT * FROM t1 where a between '2007-01-01' and '2007-08-01';
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p1 system PRIMARY NULL NULL NULL 1
EXPLAIN PARTITIONS SELECT * FROM t1 where a = '2007-07-30 17:35:48';
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p1 system PRIMARY NULL NULL NULL 1
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
......
mysql-test/r/partition_datatype.result
View file @ d53906e3
......@@ -336,3 +336,1003 @@ select hex(a) from t1 where a = 7;
hex(a)
7
drop table t1;
#
# Bug#28928: UNIX_TIMESTAMP() should be considered unary monotonic
# by partition pruning
SET @old_time_zone= @@session.time_zone;
SET @@session.time_zone = 'UTC';
# Using MyISAM to get stable values on TABLE_ROWS in I_S.PARTITIONS
CREATE TABLE t1
(a TIMESTAMP NULL,
tz varchar(16))
ENGINE = MyISAM;
CREATE TABLE t2 LIKE t1;
ALTER TABLE t2 PARTITION BY RANGE (UNIX_TIMESTAMP(a))
(PARTITION `p0` VALUES LESS THAN (0),
PARTITION `p-2000` VALUES LESS THAN (UNIX_TIMESTAMP('2000-01-01')),
PARTITION `p-2011-MSK` VALUES LESS THAN (UNIX_TIMESTAMP('2011-03-26 23:00:00')),
PARTITION `p-2011-MSD-1` VALUES LESS THAN (UNIX_TIMESTAMP('2011-10-29 22:00:00')),
PARTITION `p-2011-MSD-2` VALUES LESS THAN (UNIX_TIMESTAMP('2011-10-29 23:00:00')),
PARTITION `p-2012-MSK-1` VALUES LESS THAN (UNIX_TIMESTAMP('2011-10-30 00:00:00')),
PARTITION `p-2012-MSK-2` VALUES LESS THAN (UNIX_TIMESTAMP('2012-03-24 23:00:00')),
PARTITION `pEnd` VALUES LESS THAN (UNIX_TIMESTAMP('2038-01-19 03:14:07')),
PARTITION `pMax` VALUES LESS THAN MAXVALUE);
# Test 'odd' values
INSERT INTO t1 VALUES (NULL, 'UTC');
INSERT INTO t1 VALUES ('0000-00-00 00:00:00', 'UTC');
# Test invalid values
INSERT INTO t1 VALUES ('1901-01-01 00:00:00', 'UTCI');
Warnings:
Warning 1264 Out of range value for column 'a' at row 1
INSERT INTO t1 VALUES ('1969-12-31 23:59:59', 'UTCI');
Warnings:
Warning 1264 Out of range value for column 'a' at row 1
INSERT INTO t1 VALUES ('2038-01-19 03:14:08', 'UTCI');
Warnings:
Warning 1264 Out of range value for column 'a' at row 1
INSERT INTO t1 VALUES ('1970-01-01 00:00:00', 'UTCI');
Warnings:
Warning 1264 Out of range value for column 'a' at row 1
# Test start range
INSERT INTO t1 VALUES ('1970-01-01 00:00:01', 'UTC');
INSERT INTO t1 VALUES ('1974-02-05 21:28:16', 'UTC');
# Test end range
INSERT INTO t1 VALUES ('2038-01-19 03:14:06', 'UTC');
INSERT INTO t1 VALUES ('2038-01-19 03:14:07', 'UTC');
# Test Daylight saving shift
INSERT INTO t1 VALUES ('2011-03-26 22:59:59', 'UTC');
INSERT INTO t1 VALUES ('2011-03-26 23:00:00', 'UTC');
INSERT INTO t1 VALUES ('2011-03-26 23:00:01', 'UTC');
INSERT INTO t1 VALUES ('2011-10-29 21:59:59', 'UTC');
INSERT INTO t1 VALUES ('2011-10-29 22:00:00', 'UTC');
INSERT INTO t1 VALUES ('2011-10-29 22:00:01', 'UTC');
INSERT INTO t1 VALUES ('2011-10-29 22:59:59', 'UTC');
INSERT INTO t1 VALUES ('2011-10-29 23:00:00', 'UTC');
INSERT INTO t1 VALUES ('2011-10-29 23:00:01', 'UTC');
INSERT INTO t1 VALUES ('2011-10-29 23:59:59', 'UTC');
INSERT INTO t1 VALUES ('2011-10-30 00:00:00', 'UTC');
INSERT INTO t1 VALUES ('2011-10-30 00:00:01', 'UTC');
SET @@session.time_zone = 'Europe/Moscow';
# Test 'odd' values
INSERT INTO t1 VALUES (NULL, 'Moscow');
INSERT INTO t1 VALUES ('0000-00-00 00:00:00', 'Moscow');
# Test invalid values
INSERT INTO t1 VALUES ('0000-00-00 03:00:00', 'MoscowI');
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
INSERT INTO t1 VALUES ('1901-01-01 00:00:00', 'MoscowI');
Warnings:
Warning 1264 Out of range value for column 'a' at row 1
INSERT INTO t1 VALUES ('1969-12-31 23:59:59', 'MoscowI');
Warnings:
Warning 1264 Out of range value for column 'a' at row 1
INSERT INTO t1 VALUES ('1970-01-01 02:29:29', 'MoscowI');
Warnings:
Warning 1264 Out of range value for column 'a' at row 1
INSERT INTO t1 VALUES ('2038-01-19 06:14:08', 'MoscowI');
Warnings:
Warning 1264 Out of range value for column 'a' at row 1
INSERT INTO t1 VALUES ('1970-01-01 03:00:00', 'MoscowI');
Warnings:
Warning 1264 Out of range value for column 'a' at row 1
# values truncated to 03:00:00 due to daylight saving shift
INSERT INTO t1 VALUES ('2011-03-27 02:00:00', 'MoscowI');
Warnings:
Warning 1299 Invalid TIMESTAMP value in column 'a' at row 1
INSERT INTO t1 VALUES ('2011-03-27 02:00:01', 'MoscowI');
Warnings:
Warning 1299 Invalid TIMESTAMP value in column 'a' at row 1
INSERT INTO t1 VALUES ('2011-03-27 02:59:59', 'MoscowI');
Warnings:
Warning 1299 Invalid TIMESTAMP value in column 'a' at row 1
# Test start range
INSERT INTO t1 VALUES ('1970-01-01 03:00:01', 'Moscow');
INSERT INTO t1 VALUES ('1974-02-05 21:28:16', 'Moscow');
# Test end range
INSERT INTO t1 VALUES ('2038-01-19 06:14:06', 'Moscow');
INSERT INTO t1 VALUES ('2038-01-19 06:14:07', 'Moscow');
# Test Daylight saving shift
INSERT INTO t1 VALUES ('2011-03-27 01:59:59', 'Moscow');
INSERT INTO t1 VALUES ('2011-03-27 03:00:00', 'Moscow');
INSERT INTO t1 VALUES ('2011-03-27 03:00:01', 'Moscow');
INSERT INTO t1 VALUES ('2011-10-30 01:59:59', 'Moscow');
# All values between 02:00 and 02:59:59 will be interpretated as DST
INSERT INTO t1 VALUES ('2011-10-30 02:00:00', 'MoscowD');
INSERT INTO t1 VALUES ('2011-10-30 02:00:01', 'MoscowD');
INSERT INTO t1 VALUES ('2011-10-30 02:59:59', 'MoscowD');
INSERT INTO t1 VALUES ('2011-10-30 03:00:00', 'Moscow');
INSERT INTO t1 VALUES ('2011-10-30 03:00:01', 'Moscow');
SET @@session.time_zone = 'UTC';
INSERT INTO t2 SELECT * FROM t1;
SELECT PARTITION_NAME, TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS
WHERE TABLE_NAME = 't2';
PARTITION_NAME TABLE_ROWS
p0 2
p-2000 16
p-2011-MSK 2
p-2011-MSD-1 9
p-2011-MSD-2 6
p-2012-MSK-1 3
p-2012-MSK-2 4
pEnd 2
pMax 2
SELECT * FROM t1 ORDER BY a, tz;
a tz
NULL Moscow
NULL UTC
0000-00-00 00:00:00 Moscow
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 UTC
0000-00-00 00:00:00 UTCI
0000-00-00 00:00:00 UTCI
0000-00-00 00:00:00 UTCI
0000-00-00 00:00:00 UTCI
1970-01-01 00:00:01 Moscow
1970-01-01 00:00:01 UTC
1974-02-05 18:28:16 Moscow
1974-02-05 21:28:16 UTC
2011-03-26 22:59:59 Moscow
2011-03-26 22:59:59 UTC
2011-03-26 23:00:00 Moscow
2011-03-26 23:00:00 MoscowI
2011-03-26 23:00:00 MoscowI
2011-03-26 23:00:00 MoscowI
2011-03-26 23:00:00 UTC
2011-03-26 23:00:01 Moscow
2011-03-26 23:00:01 UTC
2011-10-29 21:59:59 Moscow
2011-10-29 21:59:59 UTC
2011-10-29 22:00:00 MoscowD
2011-10-29 22:00:00 UTC
2011-10-29 22:00:01 MoscowD
2011-10-29 22:00:01 UTC
2011-10-29 22:59:59 MoscowD
2011-10-29 22:59:59 UTC
2011-10-29 23:00:00 UTC
2011-10-29 23:00:01 UTC
2011-10-29 23:59:59 UTC
2011-10-30 00:00:00 Moscow
2011-10-30 00:00:00 UTC
2011-10-30 00:00:01 Moscow
2011-10-30 00:00:01 UTC
2038-01-19 03:14:06 Moscow
2038-01-19 03:14:06 UTC
2038-01-19 03:14:07 Moscow
2038-01-19 03:14:07 UTC
SELECT * FROM t2 ORDER BY a, tz;
a tz
NULL Moscow
NULL UTC
0000-00-00 00:00:00 Moscow
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 UTC
0000-00-00 00:00:00 UTCI
0000-00-00 00:00:00 UTCI
0000-00-00 00:00:00 UTCI
0000-00-00 00:00:00 UTCI
1970-01-01 00:00:01 Moscow
1970-01-01 00:00:01 UTC
1974-02-05 18:28:16 Moscow
1974-02-05 21:28:16 UTC
2011-03-26 22:59:59 Moscow
2011-03-26 22:59:59 UTC
2011-03-26 23:00:00 Moscow
2011-03-26 23:00:00 MoscowI
2011-03-26 23:00:00 MoscowI
2011-03-26 23:00:00 MoscowI
2011-03-26 23:00:00 UTC
2011-03-26 23:00:01 Moscow
2011-03-26 23:00:01 UTC
2011-10-29 21:59:59 Moscow
2011-10-29 21:59:59 UTC
2011-10-29 22:00:00 MoscowD
2011-10-29 22:00:00 UTC
2011-10-29 22:00:01 MoscowD
2011-10-29 22:00:01 UTC
2011-10-29 22:59:59 MoscowD
2011-10-29 22:59:59 UTC
2011-10-29 23:00:00 UTC
2011-10-29 23:00:01 UTC
2011-10-29 23:59:59 UTC
2011-10-30 00:00:00 Moscow
2011-10-30 00:00:00 UTC
2011-10-30 00:00:01 Moscow
2011-10-30 00:00:01 UTC
2038-01-19 03:14:06 Moscow
2038-01-19 03:14:06 UTC
2038-01-19 03:14:07 Moscow
2038-01-19 03:14:07 UTC
SELECT * FROM t2
WHERE a BETWEEN '2011-03-01 00:00:00' and '2011-03-26 23:00:00' ORDER BY a, tz;
a tz
2011-03-26 22:59:59 Moscow
2011-03-26 22:59:59 UTC
2011-03-26 23:00:00 Moscow
2011-03-26 23:00:00 MoscowI
2011-03-26 23:00:00 MoscowI
2011-03-26 23:00:00 MoscowI
2011-03-26 23:00:00 UTC
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-03-01 00:00:00' and '2011-03-26 23:00:00' ORDER BY a, tz;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t2 p-2011-MSK,p-2011-MSD-1 ALL NULL NULL NULL NULL 11 Using where; Using filesort
SELECT * FROM t2
WHERE a BETWEEN '2011-03-01 00:00:00' and '2011-03-26 22:59:59' ORDER BY a, tz;
a tz
2011-03-26 22:59:59 Moscow
2011-03-26 22:59:59 UTC
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-03-01 00:00:00' and '2011-03-26 22:59:59' ORDER BY a, tz;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t2 p-2011-MSK ALL NULL NULL NULL NULL 2 Using where; Using filesort
SELECT * FROM t2
WHERE a BETWEEN '2011-03-26 22:59:59' and '2011-03-28 00:00:00' ORDER BY a, tz;
a tz
2011-03-26 22:59:59 Moscow
2011-03-26 22:59:59 UTC
2011-03-26 23:00:00 Moscow
2011-03-26 23:00:00 MoscowI
2011-03-26 23:00:00 MoscowI
2011-03-26 23:00:00 MoscowI
2011-03-26 23:00:00 UTC
2011-03-26 23:00:01 Moscow
2011-03-26 23:00:01 UTC
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-03-26 22:59:59' and '2011-03-28 00:00:00' ORDER BY a, tz;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t2 p-2011-MSK,p-2011-MSD-1 ALL NULL NULL NULL NULL 11 Using where; Using filesort
SELECT * FROM t2
WHERE a BETWEEN '2011-03-26 23:00:00' and '2011-03-28 00:00:00' ORDER BY a, tz;
a tz
2011-03-26 23:00:00 Moscow
2011-03-26 23:00:00 MoscowI
2011-03-26 23:00:00 MoscowI
2011-03-26 23:00:00 MoscowI
2011-03-26 23:00:00 UTC
2011-03-26 23:00:01 Moscow
2011-03-26 23:00:01 UTC
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-03-26 23:00:00' and '2011-03-28 00:00:00' ORDER BY a, tz;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t2 p-2011-MSD-1 ALL NULL NULL NULL NULL 9 Using where; Using filesort
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 23:00:00' ORDER BY a, tz;
a tz
2011-10-29 21:59:59 Moscow
2011-10-29 21:59:59 UTC
2011-10-29 22:00:00 MoscowD
2011-10-29 22:00:00 UTC
2011-10-29 22:00:01 MoscowD
2011-10-29 22:00:01 UTC
2011-10-29 22:59:59 MoscowD
2011-10-29 22:59:59 UTC
2011-10-29 23:00:00 UTC
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 23:00:00' ORDER BY a, tz;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t2 p-2011-MSD-1,p-2011-MSD-2,p-2012-MSK-1 ALL NULL NULL NULL NULL 18 Using where; Using filesort
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 22:59:59' ORDER BY a, tz;
a tz
2011-10-29 21:59:59 Moscow
2011-10-29 21:59:59 UTC
2011-10-29 22:00:00 MoscowD
2011-10-29 22:00:00 UTC
2011-10-29 22:00:01 MoscowD
2011-10-29 22:00:01 UTC
2011-10-29 22:59:59 MoscowD
2011-10-29 22:59:59 UTC
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 22:59:59' ORDER BY a, tz;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t2 p-2011-MSD-1,p-2011-MSD-2 ALL NULL NULL NULL NULL 15 Using where; Using filesort
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 22:59:59' and '2011-10-31 00:00:00' ORDER BY a, tz;
a tz
2011-10-29 22:59:59 MoscowD
2011-10-29 22:59:59 UTC
2011-10-29 23:00:00 UTC
2011-10-29 23:00:01 UTC
2011-10-29 23:59:59 UTC
2011-10-30 00:00:00 Moscow
2011-10-30 00:00:00 UTC
2011-10-30 00:00:01 Moscow
2011-10-30 00:00:01 UTC
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 22:59:59' and '2011-10-31 00:00:00' ORDER BY a, tz;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t2 p-2011-MSD-2,p-2012-MSK-1,p-2012-MSK-2 ALL NULL NULL NULL NULL 13 Using where; Using filesort
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 23:00:00' and '2011-10-31 00:00:00' ORDER BY a, tz;
a tz
2011-10-29 23:00:00 UTC
2011-10-29 23:00:01 UTC
2011-10-29 23:59:59 UTC
2011-10-30 00:00:00 Moscow
2011-10-30 00:00:00 UTC
2011-10-30 00:00:01 Moscow
2011-10-30 00:00:01 UTC
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 23:00:00' and '2011-10-31 00:00:00' ORDER BY a, tz;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t2 p-2012-MSK-1,p-2012-MSK-2 ALL NULL NULL NULL NULL 7 Using where; Using filesort
# Test end range changes
DELETE FROM t2 WHERE a = 0;
INSERT INTO t2 VALUES ('1970-01-01 00:00:00', 'UTC');
Warnings:
Warning 1264 Out of range value for column 'a' at row 1
SELECT COUNT(*) FROM t2;
COUNT(*)
35
SELECT COUNT(*) FROM t2 WHERE a = 0;
COUNT(*)
1
SELECT * FROM t2 ORDER BY a, tz LIMIT 3;
a tz
NULL Moscow
NULL UTC
0000-00-00 00:00:00 UTC
SELECT * FROM t2 ORDER BY a DESC, tz LIMIT 3;
a tz
2038-01-19 03:14:07 Moscow
2038-01-19 03:14:07 UTC
2038-01-19 03:14:06 Moscow
UPDATE t2 SET a = TIMESTAMPADD(SECOND, 1, a);
Warnings:
Warning 1264 Out of range value for column 'a' at row 34
Warning 1264 Out of range value for column 'a' at row 35
SELECT MIN(a), MAX(a) FROM t2;
MIN(a) MAX(a)
0000-00-00 00:00:00 2038-01-19 03:14:07
SELECT COUNT(*) FROM t2;
COUNT(*)
35
SELECT COUNT(*) FROM t2 WHERE a = 0;
COUNT(*)
2
SELECT PARTITION_NAME, TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS
WHERE TABLE_NAME = 't2';
PARTITION_NAME TABLE_ROWS
p0 3
p-2000 6
p-2011-MSK 0
p-2011-MSD-1 9
p-2011-MSD-2 6
p-2012-MSK-1 4
p-2012-MSK-2 5
pEnd 0
pMax 2
SELECT * FROM t2 ORDER BY a, tz;
a tz
NULL Moscow
NULL UTC
NULL UTC
0000-00-00 00:00:00 Moscow
0000-00-00 00:00:00 UTC
1970-01-01 00:00:02 Moscow
1970-01-01 00:00:02 UTC
1974-02-05 18:28:17 Moscow
1974-02-05 21:28:17 UTC
2011-03-26 23:00:00 Moscow
2011-03-26 23:00:00 UTC
2011-03-26 23:00:01 Moscow
2011-03-26 23:00:01 MoscowI
2011-03-26 23:00:01 MoscowI
2011-03-26 23:00:01 MoscowI
2011-03-26 23:00:01 UTC
2011-03-26 23:00:02 Moscow
2011-03-26 23:00:02 UTC
2011-10-29 22:00:00 Moscow
2011-10-29 22:00:00 UTC
2011-10-29 22:00:01 MoscowD
2011-10-29 22:00:01 UTC
2011-10-29 22:00:02 MoscowD
2011-10-29 22:00:02 UTC
2011-10-29 23:00:00 MoscowD
2011-10-29 23:00:00 UTC
2011-10-29 23:00:01 UTC
2011-10-29 23:00:02 UTC
2011-10-30 00:00:00 UTC
2011-10-30 00:00:01 Moscow
2011-10-30 00:00:01 UTC
2011-10-30 00:00:02 Moscow
2011-10-30 00:00:02 UTC
2038-01-19 03:14:07 Moscow
2038-01-19 03:14:07 UTC
# Test start range changes
INSERT INTO t2 VALUES ('1970-01-01 00:00:00', 'UTC');
Warnings:
Warning 1264 Out of range value for column 'a' at row 1
SELECT COUNT(*) FROM t2;
COUNT(*)
36
SELECT COUNT(*) FROM t2 WHERE a = 0;
COUNT(*)
3
SELECT * FROM t2 ORDER BY a, tz LIMIT 3;
a tz
NULL Moscow
NULL UTC
NULL UTC
SELECT * FROM t2 ORDER BY a DESC, tz LIMIT 3;
a tz
2038-01-19 03:14:07 Moscow
2038-01-19 03:14:07 UTC
2011-10-30 00:00:02 Moscow
UPDATE t2 SET a = TIMESTAMPADD(SECOND, -1, a);
SELECT MIN(a), MAX(a) FROM t2;
MIN(a) MAX(a)
1970-01-01 00:00:01 2038-01-19 03:14:06
SELECT COUNT(*) FROM t2;
COUNT(*)
36
SELECT COUNT(*) FROM t2 WHERE a = 0;
COUNT(*)
0
SELECT PARTITION_NAME, TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS
WHERE TABLE_NAME = 't2';
PARTITION_NAME TABLE_ROWS
p0 6
p-2000 4
p-2011-MSK 2
p-2011-MSD-1 9
p-2011-MSD-2 6
p-2012-MSK-1 3
p-2012-MSK-2 4
pEnd 2
pMax 0
SELECT * FROM t2 ORDER BY a, tz;
a tz
NULL Moscow
NULL Moscow
NULL UTC
NULL UTC
NULL UTC
NULL UTC
1970-01-01 00:00:01 Moscow
1970-01-01 00:00:01 UTC
1974-02-05 18:28:16 Moscow
1974-02-05 21:28:16 UTC
2011-03-26 22:59:59 Moscow
2011-03-26 22:59:59 UTC
2011-03-26 23:00:00 Moscow
2011-03-26 23:00:00 MoscowI
2011-03-26 23:00:00 MoscowI
2011-03-26 23:00:00 MoscowI
2011-03-26 23:00:00 UTC
2011-03-26 23:00:01 Moscow
2011-03-26 23:00:01 UTC
2011-10-29 21:59:59 Moscow
2011-10-29 21:59:59 UTC
2011-10-29 22:00:00 MoscowD
2011-10-29 22:00:00 UTC
2011-10-29 22:00:01 MoscowD
2011-10-29 22:00:01 UTC
2011-10-29 22:59:59 MoscowD
2011-10-29 22:59:59 UTC
2011-10-29 23:00:00 UTC
2011-10-29 23:00:01 UTC
2011-10-29 23:59:59 UTC
2011-10-30 00:00:00 Moscow
2011-10-30 00:00:00 UTC
2011-10-30 00:00:01 Moscow
2011-10-30 00:00:01 UTC
2038-01-19 03:14:06 Moscow
2038-01-19 03:14:06 UTC
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`a` timestamp NULL DEFAULT NULL,
`tz` varchar(16) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (UNIX_TIMESTAMP(a))
(PARTITION p0 VALUES LESS THAN (0) ENGINE = MyISAM,
PARTITION `p-2000` VALUES LESS THAN (946684800) ENGINE = MyISAM,
PARTITION `p-2011-MSK` VALUES LESS THAN (1301180400) ENGINE = MyISAM,
PARTITION `p-2011-MSD-1` VALUES LESS THAN (1319925600) ENGINE = MyISAM,
PARTITION `p-2011-MSD-2` VALUES LESS THAN (1319929200) ENGINE = MyISAM,
PARTITION `p-2012-MSK-1` VALUES LESS THAN (1319932800) ENGINE = MyISAM,
PARTITION `p-2012-MSK-2` VALUES LESS THAN (1332630000) ENGINE = MyISAM,
PARTITION pEnd VALUES LESS THAN (2147483647) ENGINE = MyISAM,
PARTITION pMax VALUES LESS THAN MAXVALUE ENGINE = MyISAM) */
TRUNCATE TABLE t2;
SET @@session.time_zone = 'Europe/Moscow';
INSERT INTO t2 SELECT * FROM t1;
SELECT PARTITION_NAME, TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS
WHERE TABLE_NAME = 't2';
PARTITION_NAME TABLE_ROWS
p0 2
p-2000 16
p-2011-MSK 2
p-2011-MSD-1 9
p-2011-MSD-2 6
p-2012-MSK-1 3
p-2012-MSK-2 4
pEnd 2
pMax 2
SELECT * FROM t1 ORDER BY a, tz;
a tz
NULL Moscow
NULL UTC
0000-00-00 00:00:00 Moscow
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 UTC
0000-00-00 00:00:00 UTCI
0000-00-00 00:00:00 UTCI
0000-00-00 00:00:00 UTCI
0000-00-00 00:00:00 UTCI
1970-01-01 03:00:01 Moscow
1970-01-01 03:00:01 UTC
1974-02-05 21:28:16 Moscow
1974-02-06 00:28:16 UTC
2011-03-27 01:59:59 Moscow
2011-03-27 01:59:59 UTC
2011-03-27 03:00:00 Moscow
2011-03-27 03:00:00 MoscowI
2011-03-27 03:00:00 MoscowI
2011-03-27 03:00:00 MoscowI
2011-03-27 03:00:00 UTC
2011-03-27 03:00:01 Moscow
2011-03-27 03:00:01 UTC
2011-10-30 01:59:59 Moscow
2011-10-30 01:59:59 UTC
2011-10-30 02:00:00 MoscowD
2011-10-30 02:00:00 UTC
2011-10-30 02:00:01 MoscowD
2011-10-30 02:00:01 UTC
2011-10-30 02:59:59 MoscowD
2011-10-30 02:59:59 UTC
2011-10-30 02:00:00 UTC
2011-10-30 02:00:01 UTC
2011-10-30 02:59:59 UTC
2011-10-30 03:00:00 Moscow
2011-10-30 03:00:00 UTC
2011-10-30 03:00:01 Moscow
2011-10-30 03:00:01 UTC
2038-01-19 06:14:06 Moscow
2038-01-19 06:14:06 UTC
2038-01-19 06:14:07 Moscow
2038-01-19 06:14:07 UTC
SELECT * FROM t2 ORDER BY a, tz;
a tz
NULL Moscow
NULL UTC
0000-00-00 00:00:00 Moscow
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 MoscowI
0000-00-00 00:00:00 UTC
0000-00-00 00:00:00 UTCI
0000-00-00 00:00:00 UTCI
0000-00-00 00:00:00 UTCI
0000-00-00 00:00:00 UTCI
1970-01-01 03:00:01 Moscow
1970-01-01 03:00:01 UTC
1974-02-05 21:28:16 Moscow
1974-02-06 00:28:16 UTC
2011-03-27 01:59:59 Moscow
2011-03-27 01:59:59 UTC
2011-03-27 03:00:00 Moscow
2011-03-27 03:00:00 MoscowI
2011-03-27 03:00:00 MoscowI
2011-03-27 03:00:00 MoscowI
2011-03-27 03:00:00 UTC
2011-03-27 03:00:01 Moscow
2011-03-27 03:00:01 UTC
2011-10-30 01:59:59 Moscow
2011-10-30 01:59:59 UTC
2011-10-30 02:00:00 MoscowD
2011-10-30 02:00:00 UTC
2011-10-30 02:00:01 MoscowD
2011-10-30 02:00:01 UTC
2011-10-30 02:59:59 MoscowD
2011-10-30 02:59:59 UTC
2011-10-30 02:00:00 UTC
2011-10-30 02:00:01 UTC
2011-10-30 02:59:59 UTC
2011-10-30 03:00:00 Moscow
2011-10-30 03:00:00 UTC
2011-10-30 03:00:01 Moscow
2011-10-30 03:00:01 UTC
2038-01-19 06:14:06 Moscow
2038-01-19 06:14:06 UTC
2038-01-19 06:14:07 Moscow
2038-01-19 06:14:07 UTC
# Testing the leap from 01:59:59 to 03:00:00
SELECT * FROM t2
WHERE a BETWEEN '2011-03-01 00:00:00' and '2011-03-27 03:00:00' ORDER BY a, tz;
a tz
2011-03-27 01:59:59 Moscow
2011-03-27 01:59:59 UTC
2011-03-27 03:00:00 Moscow
2011-03-27 03:00:00 MoscowI
2011-03-27 03:00:00 MoscowI
2011-03-27 03:00:00 MoscowI
2011-03-27 03:00:00 UTC
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-03-01 00:00:00' and '2011-03-27 03:00:00' ORDER BY a, tz;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t2 p-2011-MSK,p-2011-MSD-1 ALL NULL NULL NULL NULL 11 Using where; Using filesort
SELECT * FROM t2
WHERE a BETWEEN '2011-03-01 00:00:00' and '2011-03-27 01:59:59' ORDER BY a, tz;
a tz
2011-03-27 01:59:59 Moscow
2011-03-27 01:59:59 UTC
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-03-01 00:00:00' and '2011-03-27 01:59:59' ORDER BY a, tz;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t2 p-2011-MSK ALL NULL NULL NULL NULL 2 Using where; Using filesort
SELECT * FROM t2
WHERE a BETWEEN '2011-03-26 01:59:59' and '2011-03-28 00:00:00' ORDER BY a, tz;
a tz
2011-03-27 01:59:59 Moscow
2011-03-27 01:59:59 UTC
2011-03-27 03:00:00 Moscow
2011-03-27 03:00:00 MoscowI
2011-03-27 03:00:00 MoscowI
2011-03-27 03:00:00 MoscowI
2011-03-27 03:00:00 UTC
2011-03-27 03:00:01 Moscow
2011-03-27 03:00:01 UTC
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-03-26 01:59:59' and '2011-03-28 00:00:00' ORDER BY a, tz;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t2 p-2011-MSK,p-2011-MSD-1 ALL NULL NULL NULL NULL 11 Using where; Using filesort
SELECT * FROM t2
WHERE a BETWEEN '2011-03-26 03:00:00' and '2011-03-28 00:00:00' ORDER BY a, tz;
a tz
2011-03-27 01:59:59 Moscow
2011-03-27 01:59:59 UTC
2011-03-27 03:00:00 Moscow
2011-03-27 03:00:00 MoscowI
2011-03-27 03:00:00 MoscowI
2011-03-27 03:00:00 MoscowI
2011-03-27 03:00:00 UTC
2011-03-27 03:00:01 Moscow
2011-03-27 03:00:01 UTC
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-03-26 03:00:00' and '2011-03-28 00:00:00' ORDER BY a, tz;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t2 p-2011-MSK,p-2011-MSD-1 ALL NULL NULL NULL NULL 11 Using where; Using filesort
# Testing the leap from 02:59:59 to 02:00:00
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 02:00:00' ORDER BY a, tz;
a tz
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 02:00:00' ORDER BY a, tz;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t2 p-2011-MSD-1 ALL NULL NULL NULL NULL 9 Using where; Using filesort
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 02:59:59' ORDER BY a, tz;
a tz
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 02:59:59' ORDER BY a, tz;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t2 p-2011-MSD-1 ALL NULL NULL NULL NULL 9 Using where; Using filesort
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 03:00:00' ORDER BY a, tz;
a tz
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 03:00:00' ORDER BY a, tz;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t2 p-2011-MSD-1 ALL NULL NULL NULL NULL 9 Using where; Using filesort
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 01:59:59' ORDER BY a, tz;
a tz
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 01:59:59' ORDER BY a, tz;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t2 p-2011-MSD-1 ALL NULL NULL NULL NULL 9 Using where; Using filesort
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 02:00:00' and '2011-10-31 00:00:00' ORDER BY a, tz;
a tz
2011-10-30 01:59:59 Moscow
2011-10-30 01:59:59 UTC
2011-10-30 02:00:00 MoscowD
2011-10-30 02:00:00 UTC
2011-10-30 02:00:01 MoscowD
2011-10-30 02:00:01 UTC
2011-10-30 02:59:59 MoscowD
2011-10-30 02:59:59 UTC
2011-10-30 02:00:00 UTC
2011-10-30 02:00:01 UTC
2011-10-30 02:59:59 UTC
2011-10-30 03:00:00 Moscow
2011-10-30 03:00:00 UTC
2011-10-30 03:00:01 Moscow
2011-10-30 03:00:01 UTC
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 02:00:00' and '2011-10-31 00:00:00' ORDER BY a, tz;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t2 p-2011-MSD-1,p-2011-MSD-2,p-2012-MSK-1,p-2012-MSK-2 ALL NULL NULL NULL NULL 22 Using where; Using filesort
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 02:59:59' and '2011-10-31 00:00:00' ORDER BY a, tz;
a tz
2011-10-30 01:59:59 Moscow
2011-10-30 01:59:59 UTC
2011-10-30 02:00:00 MoscowD
2011-10-30 02:00:00 UTC
2011-10-30 02:00:01 MoscowD
2011-10-30 02:00:01 UTC
2011-10-30 02:59:59 MoscowD
2011-10-30 02:59:59 UTC
2011-10-30 02:00:00 UTC
2011-10-30 02:00:01 UTC
2011-10-30 02:59:59 UTC
2011-10-30 03:00:00 Moscow
2011-10-30 03:00:00 UTC
2011-10-30 03:00:01 Moscow
2011-10-30 03:00:01 UTC
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 02:59:59' and '2011-10-31 00:00:00' ORDER BY a, tz;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t2 p-2011-MSD-1,p-2011-MSD-2,p-2012-MSK-1,p-2012-MSK-2 ALL NULL NULL NULL NULL 22 Using where; Using filesort
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 03:00:00' and '2011-10-31 00:00:00' ORDER BY a, tz;
a tz
2011-10-30 01:59:59 Moscow
2011-10-30 01:59:59 UTC
2011-10-30 02:00:00 MoscowD
2011-10-30 02:00:00 UTC
2011-10-30 02:00:01 MoscowD
2011-10-30 02:00:01 UTC
2011-10-30 02:59:59 MoscowD
2011-10-30 02:59:59 UTC
2011-10-30 02:00:00 UTC
2011-10-30 02:00:01 UTC
2011-10-30 02:59:59 UTC
2011-10-30 03:00:00 Moscow
2011-10-30 03:00:00 UTC
2011-10-30 03:00:01 Moscow
2011-10-30 03:00:01 UTC
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 03:00:00' and '2011-10-31 00:00:00' ORDER BY a, tz;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t2 p-2011-MSD-1,p-2011-MSD-2,p-2012-MSK-1,p-2012-MSK-2 ALL NULL NULL NULL NULL 22 Using where; Using filesort
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 01:59:59' and '2011-10-31 00:00:00' ORDER BY a, tz;
a tz
2011-10-30 01:59:59 Moscow
2011-10-30 01:59:59 UTC
2011-10-30 02:00:00 MoscowD
2011-10-30 02:00:00 UTC
2011-10-30 02:00:01 MoscowD
2011-10-30 02:00:01 UTC
2011-10-30 02:59:59 MoscowD
2011-10-30 02:59:59 UTC
2011-10-30 02:00:00 UTC
2011-10-30 02:00:01 UTC
2011-10-30 02:59:59 UTC
2011-10-30 03:00:00 Moscow
2011-10-30 03:00:00 UTC
2011-10-30 03:00:01 Moscow
2011-10-30 03:00:01 UTC
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 01:59:59' and '2011-10-31 00:00:00' ORDER BY a, tz;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t2 p-2011-MSD-1,p-2011-MSD-2,p-2012-MSK-1,p-2012-MSK-2 ALL NULL NULL NULL NULL 22 Using where; Using filesort
# Test end range changes
DELETE FROM t2 WHERE a = 0;
INSERT INTO t2 VALUES ('1970-01-01 00:00:00', 'Moscow');
Warnings:
Warning 1264 Out of range value for column 'a' at row 1
SELECT COUNT(*) FROM t2;
COUNT(*)
35
SELECT COUNT(*) FROM t2 WHERE a = 0;
COUNT(*)
1
SELECT * FROM t2 ORDER BY a, tz LIMIT 3;
a tz
NULL Moscow
NULL UTC
0000-00-00 00:00:00 Moscow
SELECT * FROM t2 ORDER BY a DESC, tz LIMIT 3;
a tz
2038-01-19 06:14:07 Moscow
2038-01-19 06:14:07 UTC
2038-01-19 06:14:06 Moscow
UPDATE t2 SET a = TIMESTAMPADD(SECOND, 1, a);
Warnings:
Warning 1299 Invalid TIMESTAMP value in column 'a' at row 8
Warning 1299 Invalid TIMESTAMP value in column 'a' at row 9
Warning 1264 Out of range value for column 'a' at row 34
Warning 1264 Out of range value for column 'a' at row 35
SELECT MIN(a), MAX(a) FROM t2;
MIN(a) MAX(a)
0000-00-00 00:00:00 2038-01-19 06:14:07
SELECT COUNT(*) FROM t2;
COUNT(*)
35
SELECT COUNT(*) FROM t2 WHERE a = 0;
COUNT(*)
2
SELECT PARTITION_NAME, TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS
WHERE TABLE_NAME = 't2';
PARTITION_NAME TABLE_ROWS
p0 3
p-2000 6
p-2011-MSK 0
p-2011-MSD-1 9
p-2011-MSD-2 8
p-2012-MSK-1 0
p-2012-MSK-2 7
pEnd 0
pMax 2
SELECT * FROM t2 ORDER BY a, tz;
a tz
NULL Moscow
NULL Moscow
NULL UTC
0000-00-00 00:00:00 Moscow
0000-00-00 00:00:00 UTC
1970-01-01 03:00:02 Moscow
1970-01-01 03:00:02 UTC
1974-02-05 21:28:17 Moscow
1974-02-06 00:28:17 UTC
2011-03-27 03:00:00 Moscow
2011-03-27 03:00:00 UTC
2011-03-27 03:00:01 Moscow
2011-03-27 03:00:01 MoscowI
2011-03-27 03:00:01 MoscowI
2011-03-27 03:00:01 MoscowI
2011-03-27 03:00:01 UTC
2011-03-27 03:00:02 Moscow
2011-03-27 03:00:02 UTC
2011-10-30 02:00:00 Moscow
2011-10-30 02:00:00 UTC
2011-10-30 02:00:01 MoscowD
2011-10-30 02:00:01 UTC
2011-10-30 02:00:01 UTC
2011-10-30 02:00:02 MoscowD
2011-10-30 02:00:02 UTC
2011-10-30 02:00:02 UTC
2011-10-30 03:00:00 MoscowD
2011-10-30 03:00:00 UTC
2011-10-30 03:00:00 UTC
2011-10-30 03:00:01 Moscow
2011-10-30 03:00:01 UTC
2011-10-30 03:00:02 Moscow
2011-10-30 03:00:02 UTC
2038-01-19 06:14:07 Moscow
2038-01-19 06:14:07 UTC
# Test start range changes
INSERT INTO t2 VALUES ('1970-01-01 00:00:00', 'Moscow');
Warnings:
Warning 1264 Out of range value for column 'a' at row 1
SELECT COUNT(*) FROM t2;
COUNT(*)
36
SELECT COUNT(*) FROM t2 WHERE a = 0;
COUNT(*)
3
SELECT * FROM t2 ORDER BY a, tz LIMIT 3;
a tz
NULL Moscow
NULL Moscow
NULL UTC
SELECT * FROM t2 ORDER BY a DESC, tz LIMIT 3;
a tz
2038-01-19 06:14:07 Moscow
2038-01-19 06:14:07 UTC
2011-10-30 03:00:02 Moscow
UPDATE t2 SET a = TIMESTAMPADD(SECOND, -1, a);
Warnings:
Warning 1299 Invalid TIMESTAMP value in column 'a' at row 18
Warning 1299 Invalid TIMESTAMP value in column 'a' at row 19
SELECT MIN(a), MAX(a) FROM t2;
MIN(a) MAX(a)
1970-01-01 03:00:01 2038-01-19 06:14:06
SELECT COUNT(*) FROM t2;
COUNT(*)
36
SELECT COUNT(*) FROM t2 WHERE a = 0;
COUNT(*)
0
SELECT PARTITION_NAME, TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS
WHERE TABLE_NAME = 't2';
PARTITION_NAME TABLE_ROWS
p0 6
p-2000 4
p-2011-MSK 0
p-2011-MSD-1 11
p-2011-MSD-2 9
p-2012-MSK-1 0
p-2012-MSK-2 4
pEnd 2
pMax 0
SELECT * FROM t2 ORDER BY a, tz;
a tz
NULL Moscow
NULL Moscow
NULL Moscow
NULL Moscow
NULL UTC
NULL UTC
1970-01-01 03:00:01 Moscow
1970-01-01 03:00:01 UTC
1974-02-05 21:28:16 Moscow
1974-02-06 00:28:16 UTC
2011-03-27 03:00:00 Moscow
2011-03-27 03:00:00 Moscow
2011-03-27 03:00:00 MoscowI
2011-03-27 03:00:00 MoscowI
2011-03-27 03:00:00 MoscowI
2011-03-27 03:00:00 UTC
2011-03-27 03:00:00 UTC
2011-03-27 03:00:01 Moscow
2011-03-27 03:00:01 UTC
2011-10-30 01:59:59 Moscow
2011-10-30 01:59:59 UTC
2011-10-30 02:00:00 MoscowD
2011-10-30 02:00:00 UTC
2011-10-30 02:00:00 UTC
2011-10-30 02:00:01 MoscowD
2011-10-30 02:00:01 UTC
2011-10-30 02:00:01 UTC
2011-10-30 02:59:59 MoscowD
2011-10-30 02:59:59 UTC
2011-10-30 02:59:59 UTC
2011-10-30 03:00:00 Moscow
2011-10-30 03:00:00 UTC
2011-10-30 03:00:01 Moscow
2011-10-30 03:00:01 UTC
2038-01-19 06:14:06 Moscow
2038-01-19 06:14:06 UTC
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`a` timestamp NULL DEFAULT NULL,
`tz` varchar(16) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (UNIX_TIMESTAMP(a))
(PARTITION p0 VALUES LESS THAN (0) ENGINE = MyISAM,
PARTITION `p-2000` VALUES LESS THAN (946684800) ENGINE = MyISAM,
PARTITION `p-2011-MSK` VALUES LESS THAN (1301180400) ENGINE = MyISAM,
PARTITION `p-2011-MSD-1` VALUES LESS THAN (1319925600) ENGINE = MyISAM,
PARTITION `p-2011-MSD-2` VALUES LESS THAN (1319929200) ENGINE = MyISAM,
PARTITION `p-2012-MSK-1` VALUES LESS THAN (1319932800) ENGINE = MyISAM,
PARTITION `p-2012-MSK-2` VALUES LESS THAN (1332630000) ENGINE = MyISAM,
PARTITION pEnd VALUES LESS THAN (2147483647) ENGINE = MyISAM,
PARTITION pMax VALUES LESS THAN MAXVALUE ENGINE = MyISAM) */
TRUNCATE TABLE t2;
DROP TABLE t1, t2;
SET @@session.time_zone= @old_time_zone;
mysql-test/t/partition.test
View file @ d53906e3
......@@ -112,10 +112,16 @@ INSERT INTO t1 VALUES ('2009-07-14 17:35:55', 'pmax');
INSERT INTO t1 VALUES ('2009-09-21 17:31:42', 'pmax');
SELECT * FROM t1;
SELECT * FROM t1 where a between '2007-01-01' and '2007-08-01';
EXPLAIN PARTITIONS SELECT * FROM t1 where a between '2007-01-01' and '2007-08-01';
EXPLAIN PARTITIONS SELECT * FROM t1 where a = '2007-07-30 17:35:48';
ALTER TABLE t1 REORGANIZE PARTITION pmax INTO (
PARTITION p3 VALUES LESS THAN (1247688000),
PARTITION pmax VALUES LESS THAN MAXVALUE);
SELECT * FROM t1;
SELECT * FROM t1 where a between '2007-01-01' and '2007-08-01';
EXPLAIN PARTITIONS SELECT * FROM t1 where a between '2007-01-01' and '2007-08-01';
EXPLAIN PARTITIONS SELECT * FROM t1 where a = '2007-07-30 17:35:48';
SHOW CREATE TABLE t1;
DROP TABLE t1;
......
mysql-test/t/partition_datatype.test
View file @ d53906e3
......@@ -6,6 +6,7 @@
# Partitions: crash if varchar length > 65530
#
-- source include/have_partition.inc
-- source include/have_innodb.inc
--disable_warnings
drop table if exists t1;
......@@ -230,3 +231,312 @@ show create table t1;
insert into t1 values (1),(4),(7),(10),(13),(16),(19),(22),(25),(28),(31),(34);
select hex(a) from t1 where a = 7;
drop table t1;
--echo #
--echo # Bug#28928: UNIX_TIMESTAMP() should be considered unary monotonic
--echo # by partition pruning
SET @old_time_zone= @@session.time_zone;
SET @@session.time_zone = 'UTC';
--echo # Using MyISAM to get stable values on TABLE_ROWS in I_S.PARTITIONS
CREATE TABLE t1
(a TIMESTAMP NULL,
tz varchar(16))
ENGINE = MyISAM;
CREATE TABLE t2 LIKE t1;
ALTER TABLE t2 PARTITION BY RANGE (UNIX_TIMESTAMP(a))
(PARTITION `p0` VALUES LESS THAN (0),
PARTITION `p-2000` VALUES LESS THAN (UNIX_TIMESTAMP('2000-01-01')),
PARTITION `p-2011-MSK` VALUES LESS THAN (UNIX_TIMESTAMP('2011-03-26 23:00:00')),
PARTITION `p-2011-MSD-1` VALUES LESS THAN (UNIX_TIMESTAMP('2011-10-29 22:00:00')),
PARTITION `p-2011-MSD-2` VALUES LESS THAN (UNIX_TIMESTAMP('2011-10-29 23:00:00')),
PARTITION `p-2012-MSK-1` VALUES LESS THAN (UNIX_TIMESTAMP('2011-10-30 00:00:00')),
PARTITION `p-2012-MSK-2` VALUES LESS THAN (UNIX_TIMESTAMP('2012-03-24 23:00:00')),
PARTITION `pEnd` VALUES LESS THAN (UNIX_TIMESTAMP('2038-01-19 03:14:07')),
PARTITION `pMax` VALUES LESS THAN MAXVALUE);
--echo # Test 'odd' values
INSERT INTO t1 VALUES (NULL, 'UTC');
INSERT INTO t1 VALUES ('0000-00-00 00:00:00', 'UTC');
--echo # Test invalid values
INSERT INTO t1 VALUES ('1901-01-01 00:00:00', 'UTCI');
INSERT INTO t1 VALUES ('1969-12-31 23:59:59', 'UTCI');
INSERT INTO t1 VALUES ('2038-01-19 03:14:08', 'UTCI');
INSERT INTO t1 VALUES ('1970-01-01 00:00:00', 'UTCI');
--echo # Test start range
INSERT INTO t1 VALUES ('1970-01-01 00:00:01', 'UTC');
INSERT INTO t1 VALUES ('1974-02-05 21:28:16', 'UTC');
--echo # Test end range
INSERT INTO t1 VALUES ('2038-01-19 03:14:06', 'UTC');
INSERT INTO t1 VALUES ('2038-01-19 03:14:07', 'UTC');
--echo # Test Daylight saving shift
INSERT INTO t1 VALUES ('2011-03-26 22:59:59', 'UTC');
INSERT INTO t1 VALUES ('2011-03-26 23:00:00', 'UTC');
INSERT INTO t1 VALUES ('2011-03-26 23:00:01', 'UTC');
INSERT INTO t1 VALUES ('2011-10-29 21:59:59', 'UTC');
INSERT INTO t1 VALUES ('2011-10-29 22:00:00', 'UTC');
INSERT INTO t1 VALUES ('2011-10-29 22:00:01', 'UTC');
INSERT INTO t1 VALUES ('2011-10-29 22:59:59', 'UTC');
INSERT INTO t1 VALUES ('2011-10-29 23:00:00', 'UTC');
INSERT INTO t1 VALUES ('2011-10-29 23:00:01', 'UTC');
INSERT INTO t1 VALUES ('2011-10-29 23:59:59', 'UTC');
INSERT INTO t1 VALUES ('2011-10-30 00:00:00', 'UTC');
INSERT INTO t1 VALUES ('2011-10-30 00:00:01', 'UTC');
SET @@session.time_zone = 'Europe/Moscow';
--echo # Test 'odd' values
INSERT INTO t1 VALUES (NULL, 'Moscow');
INSERT INTO t1 VALUES ('0000-00-00 00:00:00', 'Moscow');
--echo # Test invalid values
INSERT INTO t1 VALUES ('0000-00-00 03:00:00', 'MoscowI');
INSERT INTO t1 VALUES ('1901-01-01 00:00:00', 'MoscowI');
INSERT INTO t1 VALUES ('1969-12-31 23:59:59', 'MoscowI');
INSERT INTO t1 VALUES ('1970-01-01 02:29:29', 'MoscowI');
INSERT INTO t1 VALUES ('2038-01-19 06:14:08', 'MoscowI');
INSERT INTO t1 VALUES ('1970-01-01 03:00:00', 'MoscowI');
--echo # values truncated to 03:00:00 due to daylight saving shift
INSERT INTO t1 VALUES ('2011-03-27 02:00:00', 'MoscowI');
INSERT INTO t1 VALUES ('2011-03-27 02:00:01', 'MoscowI');
INSERT INTO t1 VALUES ('2011-03-27 02:59:59', 'MoscowI');
--echo # Test start range
INSERT INTO t1 VALUES ('1970-01-01 03:00:01', 'Moscow');
INSERT INTO t1 VALUES ('1974-02-05 21:28:16', 'Moscow');
--echo # Test end range
INSERT INTO t1 VALUES ('2038-01-19 06:14:06', 'Moscow');
INSERT INTO t1 VALUES ('2038-01-19 06:14:07', 'Moscow');
--echo # Test Daylight saving shift
INSERT INTO t1 VALUES ('2011-03-27 01:59:59', 'Moscow');
INSERT INTO t1 VALUES ('2011-03-27 03:00:00', 'Moscow');
INSERT INTO t1 VALUES ('2011-03-27 03:00:01', 'Moscow');
INSERT INTO t1 VALUES ('2011-10-30 01:59:59', 'Moscow');
--echo # All values between 02:00 and 02:59:59 will be interpretated as DST
INSERT INTO t1 VALUES ('2011-10-30 02:00:00', 'MoscowD');
INSERT INTO t1 VALUES ('2011-10-30 02:00:01', 'MoscowD');
INSERT INTO t1 VALUES ('2011-10-30 02:59:59', 'MoscowD');
INSERT INTO t1 VALUES ('2011-10-30 03:00:00', 'Moscow');
INSERT INTO t1 VALUES ('2011-10-30 03:00:01', 'Moscow');
SET @@session.time_zone = 'UTC';
INSERT INTO t2 SELECT * FROM t1;
SELECT PARTITION_NAME, TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS
WHERE TABLE_NAME = 't2';
SELECT * FROM t1 ORDER BY a, tz;
SELECT * FROM t2 ORDER BY a, tz;
SELECT * FROM t2
WHERE a BETWEEN '2011-03-01 00:00:00' and '2011-03-26 23:00:00' ORDER BY a, tz;
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-03-01 00:00:00' and '2011-03-26 23:00:00' ORDER BY a, tz;
SELECT * FROM t2
WHERE a BETWEEN '2011-03-01 00:00:00' and '2011-03-26 22:59:59' ORDER BY a, tz;
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-03-01 00:00:00' and '2011-03-26 22:59:59' ORDER BY a, tz;
SELECT * FROM t2
WHERE a BETWEEN '2011-03-26 22:59:59' and '2011-03-28 00:00:00' ORDER BY a, tz;
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-03-26 22:59:59' and '2011-03-28 00:00:00' ORDER BY a, tz;
SELECT * FROM t2
WHERE a BETWEEN '2011-03-26 23:00:00' and '2011-03-28 00:00:00' ORDER BY a, tz;
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-03-26 23:00:00' and '2011-03-28 00:00:00' ORDER BY a, tz;
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 23:00:00' ORDER BY a, tz;
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 23:00:00' ORDER BY a, tz;
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 22:59:59' ORDER BY a, tz;
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 22:59:59' ORDER BY a, tz;
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 22:59:59' and '2011-10-31 00:00:00' ORDER BY a, tz;
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 22:59:59' and '2011-10-31 00:00:00' ORDER BY a, tz;
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 23:00:00' and '2011-10-31 00:00:00' ORDER BY a, tz;
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 23:00:00' and '2011-10-31 00:00:00' ORDER BY a, tz;
--echo # Test end range changes
DELETE FROM t2 WHERE a = 0;
INSERT INTO t2 VALUES ('1970-01-01 00:00:00', 'UTC');
SELECT COUNT(*) FROM t2;
SELECT COUNT(*) FROM t2 WHERE a = 0;
SELECT * FROM t2 ORDER BY a, tz LIMIT 3;
SELECT * FROM t2 ORDER BY a DESC, tz LIMIT 3;
UPDATE t2 SET a = TIMESTAMPADD(SECOND, 1, a);
SELECT MIN(a), MAX(a) FROM t2;
SELECT COUNT(*) FROM t2;
SELECT COUNT(*) FROM t2 WHERE a = 0;
SELECT PARTITION_NAME, TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS
WHERE TABLE_NAME = 't2';
SELECT * FROM t2 ORDER BY a, tz;
--echo # Test start range changes
INSERT INTO t2 VALUES ('1970-01-01 00:00:00', 'UTC');
SELECT COUNT(*) FROM t2;
SELECT COUNT(*) FROM t2 WHERE a = 0;
SELECT * FROM t2 ORDER BY a, tz LIMIT 3;
SELECT * FROM t2 ORDER BY a DESC, tz LIMIT 3;
UPDATE t2 SET a = TIMESTAMPADD(SECOND, -1, a);
SELECT MIN(a), MAX(a) FROM t2;
SELECT COUNT(*) FROM t2;
SELECT COUNT(*) FROM t2 WHERE a = 0;
SELECT PARTITION_NAME, TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS
WHERE TABLE_NAME = 't2';
SELECT * FROM t2 ORDER BY a, tz;
SHOW CREATE TABLE t2;
TRUNCATE TABLE t2;
SET @@session.time_zone = 'Europe/Moscow';
INSERT INTO t2 SELECT * FROM t1;
SELECT PARTITION_NAME, TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS
WHERE TABLE_NAME = 't2';
SELECT * FROM t1 ORDER BY a, tz;
SELECT * FROM t2 ORDER BY a, tz;
--echo # Testing the leap from 01:59:59 to 03:00:00
SELECT * FROM t2
WHERE a BETWEEN '2011-03-01 00:00:00' and '2011-03-27 03:00:00' ORDER BY a, tz;
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-03-01 00:00:00' and '2011-03-27 03:00:00' ORDER BY a, tz;
SELECT * FROM t2
WHERE a BETWEEN '2011-03-01 00:00:00' and '2011-03-27 01:59:59' ORDER BY a, tz;
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-03-01 00:00:00' and '2011-03-27 01:59:59' ORDER BY a, tz;
SELECT * FROM t2
WHERE a BETWEEN '2011-03-26 01:59:59' and '2011-03-28 00:00:00' ORDER BY a, tz;
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-03-26 01:59:59' and '2011-03-28 00:00:00' ORDER BY a, tz;
SELECT * FROM t2
WHERE a BETWEEN '2011-03-26 03:00:00' and '2011-03-28 00:00:00' ORDER BY a, tz;
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-03-26 03:00:00' and '2011-03-28 00:00:00' ORDER BY a, tz;
--echo # Testing the leap from 02:59:59 to 02:00:00
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 02:00:00' ORDER BY a, tz;
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 02:00:00' ORDER BY a, tz;
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 02:59:59' ORDER BY a, tz;
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 02:59:59' ORDER BY a, tz;
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 03:00:00' ORDER BY a, tz;
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 03:00:00' ORDER BY a, tz;
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 01:59:59' ORDER BY a, tz;
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-01 00:00:00' and '2011-10-29 01:59:59' ORDER BY a, tz;
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 02:00:00' and '2011-10-31 00:00:00' ORDER BY a, tz;
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 02:00:00' and '2011-10-31 00:00:00' ORDER BY a, tz;
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 02:59:59' and '2011-10-31 00:00:00' ORDER BY a, tz;
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 02:59:59' and '2011-10-31 00:00:00' ORDER BY a, tz;
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 03:00:00' and '2011-10-31 00:00:00' ORDER BY a, tz;
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 03:00:00' and '2011-10-31 00:00:00' ORDER BY a, tz;
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 01:59:59' and '2011-10-31 00:00:00' ORDER BY a, tz;
EXPLAIN PARTITIONS
SELECT * FROM t2
WHERE a BETWEEN '2011-10-29 01:59:59' and '2011-10-31 00:00:00' ORDER BY a, tz;
--echo # Test end range changes
DELETE FROM t2 WHERE a = 0;
INSERT INTO t2 VALUES ('1970-01-01 00:00:00', 'Moscow');
SELECT COUNT(*) FROM t2;
SELECT COUNT(*) FROM t2 WHERE a = 0;
SELECT * FROM t2 ORDER BY a, tz LIMIT 3;
SELECT * FROM t2 ORDER BY a DESC, tz LIMIT 3;
UPDATE t2 SET a = TIMESTAMPADD(SECOND, 1, a);
SELECT MIN(a), MAX(a) FROM t2;
SELECT COUNT(*) FROM t2;
SELECT COUNT(*) FROM t2 WHERE a = 0;
SELECT PARTITION_NAME, TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS
WHERE TABLE_NAME = 't2';
SELECT * FROM t2 ORDER BY a, tz;
--echo # Test start range changes
INSERT INTO t2 VALUES ('1970-01-01 00:00:00', 'Moscow');
SELECT COUNT(*) FROM t2;
SELECT COUNT(*) FROM t2 WHERE a = 0;
SELECT * FROM t2 ORDER BY a, tz LIMIT 3;
SELECT * FROM t2 ORDER BY a DESC, tz LIMIT 3;
UPDATE t2 SET a = TIMESTAMPADD(SECOND, -1, a);
SELECT MIN(a), MAX(a) FROM t2;
SELECT COUNT(*) FROM t2;
SELECT COUNT(*) FROM t2 WHERE a = 0;
SELECT PARTITION_NAME, TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS
WHERE TABLE_NAME = 't2';
SELECT * FROM t2 ORDER BY a, tz;
SHOW CREATE TABLE t2;
TRUNCATE TABLE t2;
DROP TABLE t1, t2;
SET @@session.time_zone= @old_time_zone;
sql/item_timefunc.cc
View file @ d53906e3
......@@ -1316,6 +1316,26 @@ longlong Item_func_unix_timestamp::val_int()
return (longlong) TIME_to_timestamp(current_thd, &ltime, &not_used);
}
enum_monotonicity_info Item_func_unix_timestamp::get_monotonicity_info() const
{
if (args[0]->type() == Item::FIELD_ITEM &&
(args[0]->field_type() == MYSQL_TYPE_TIMESTAMP))
return MONOTONIC_INCREASING;
return NON_MONOTONIC;
}
longlong Item_func_unix_timestamp::val_int_endpoint(bool left_endp, bool *incl_endp)
{
DBUG_ASSERT(fixed == 1);
DBUG_ASSERT(arg_count == 1 &&
args[0]->type() == Item::FIELD_ITEM &&
args[0]->field_type() == MYSQL_TYPE_TIMESTAMP);
Field *field=((Item_field*) args[0])->field;
/* Leave the incl_endp intact */
return ((Field_timestamp*) field)->get_timestamp(&null_value);
}
longlong Item_func_time_to_sec::val_int()
{
......
sql/item_timefunc.h
View file @ d53906e3
......@@ -349,6 +349,8 @@ public:
Item_func_unix_timestamp(Item *a) :Item_int_func(a) {}
longlong val_int();
const char *func_name() const { return "unix_timestamp"; }
enum_monotonicity_info get_monotonicity_info() const;
longlong val_int_endpoint(bool left_endp, bool *incl_endp);
bool check_partition_func_processor(uchar *int_arg) {return FALSE;}
/*
UNIX_TIMESTAMP() depends on the current timezone
......
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