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mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00

Merge gshchepa@bk-internal.mysql.com:/home/bk/mysql-5.1-opt

into  devsrv-b.mysql.com:/data0/gshchepa/mysql-5.1-opt
This commit is contained in:
gshchepa@devsrv-b.mysql.com
2007-09-14 21:17:07 +02:00
11 changed files with 228 additions and 27 deletions

View File

@ -911,3 +911,31 @@ explain partitions select * from t1 where a>-2 and a <=0;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p3 ALL NULL NULL NULL NULL 4 Using where
drop table t1;
CREATE TABLE t1 ( recdate DATETIME NOT NULL )
PARTITION BY RANGE( TO_DAYS(recdate) ) (
PARTITION p0 VALUES LESS THAN ( TO_DAYS('2007-03-08') ),
PARTITION p1 VALUES LESS THAN ( TO_DAYS('2007-04-01') )
);
INSERT INTO t1 VALUES ('2007-03-01 12:00:00');
INSERT INTO t1 VALUES ('2007-03-07 12:00:00');
INSERT INTO t1 VALUES ('2007-03-08 12:00:00');
INSERT INTO t1 VALUES ('2007-03-15 12:00:00');
must use p0 only:
explain partitions select * from t1 where recdate < '2007-03-08 00:00:00';
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0 ALL NULL NULL NULL NULL 2 Using where
drop table t1;
CREATE TABLE t1 ( recdate DATETIME NOT NULL )
PARTITION BY RANGE( YEAR(recdate) ) (
PARTITION p0 VALUES LESS THAN (2006),
PARTITION p1 VALUES LESS THAN (2007)
);
INSERT INTO t1 VALUES ('2005-03-01 12:00:00');
INSERT INTO t1 VALUES ('2005-03-01 12:00:00');
INSERT INTO t1 VALUES ('2006-03-01 12:00:00');
INSERT INTO t1 VALUES ('2006-03-01 12:00:00');
must use p0 only:
explain partitions select * from t1 where recdate < '2006-01-01 00:00:00';
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p0 ALL NULL NULL NULL NULL 2 Using where
drop table t1;

View File

@ -657,6 +657,21 @@ b
#
#
DROP TABLE t1;
CREATE TABLE t1 (a int, b bit(2));
INSERT INTO t1 VALUES (3, 2), (2, 3), (2, 0), (3, 2), (3, 1);
SELECT COUNT(DISTINCT b) FROM t1 GROUP BY a;
COUNT(DISTINCT b)
2
2
DROP TABLE t1;
create table t2 (a int, b bit(2), c char(10));
INSERT INTO t2 VALUES (3, 2, 'two'), (2, 3, 'three'), (2, 0, 'zero'),
(3, 2, 'two'), (3, 1, 'one');
SELECT COUNT(DISTINCT b,c) FROM t2 GROUP BY a;
COUNT(DISTINCT b,c)
2
2
DROP TABLE t2;
End of 5.0 tests
create table t1(a bit(7));
insert into t1 values(0x40);

View File

@ -761,3 +761,34 @@ insert into t1 values (-15),(-5),(5),(15),(-15),(-5),(5),(15);
explain partitions select * from t1 where a>-2 and a <=0;
drop table t1;
#
# BUG#27927 Partition pruning not optimal with TO_DAYS function
#
CREATE TABLE t1 ( recdate DATETIME NOT NULL )
PARTITION BY RANGE( TO_DAYS(recdate) ) (
PARTITION p0 VALUES LESS THAN ( TO_DAYS('2007-03-08') ),
PARTITION p1 VALUES LESS THAN ( TO_DAYS('2007-04-01') )
);
INSERT INTO t1 VALUES ('2007-03-01 12:00:00');
INSERT INTO t1 VALUES ('2007-03-07 12:00:00');
INSERT INTO t1 VALUES ('2007-03-08 12:00:00');
INSERT INTO t1 VALUES ('2007-03-15 12:00:00');
-- echo must use p0 only:
explain partitions select * from t1 where recdate < '2007-03-08 00:00:00';
drop table t1;
CREATE TABLE t1 ( recdate DATETIME NOT NULL )
PARTITION BY RANGE( YEAR(recdate) ) (
PARTITION p0 VALUES LESS THAN (2006),
PARTITION p1 VALUES LESS THAN (2007)
);
INSERT INTO t1 VALUES ('2005-03-01 12:00:00');
INSERT INTO t1 VALUES ('2005-03-01 12:00:00');
INSERT INTO t1 VALUES ('2006-03-01 12:00:00');
INSERT INTO t1 VALUES ('2006-03-01 12:00:00');
-- echo must use p0 only:
explain partitions select * from t1 where recdate < '2006-01-01 00:00:00';
drop table t1;

View File

@ -304,6 +304,20 @@ SELECT b FROM t1 GROUP BY b;
--disable_metadata
DROP TABLE t1;
#
# BUG#30324 Wrong query result for COUNT(DISTINCT(bit_column))
#
CREATE TABLE t1 (a int, b bit(2));
INSERT INTO t1 VALUES (3, 2), (2, 3), (2, 0), (3, 2), (3, 1);
SELECT COUNT(DISTINCT b) FROM t1 GROUP BY a;
DROP TABLE t1;
create table t2 (a int, b bit(2), c char(10));
INSERT INTO t2 VALUES (3, 2, 'two'), (2, 3, 'three'), (2, 0, 'zero'),
(3, 2, 'two'), (3, 1, 'one');
SELECT COUNT(DISTINCT b,c) FROM t2 GROUP BY a;
DROP TABLE t2;
--echo End of 5.0 tests
#