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mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
This commit is contained in:
Mattias Jonsson
2010-03-12 11:52:38 +01:00
5 changed files with 202 additions and 2 deletions

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drop table if exists t1, t2;
#
# Bug#51830: Incorrect partition pruning on range partition (regression)
#
CREATE TABLE t1 (a INT NOT NULL)
ENGINE = InnoDB
PARTITION BY RANGE(a)
(PARTITION p10 VALUES LESS THAN (10),
PARTITION p30 VALUES LESS THAN (30),
PARTITION p50 VALUES LESS THAN (50),
PARTITION p70 VALUES LESS THAN (70),
PARTITION p90 VALUES LESS THAN (90));
INSERT INTO t1 VALUES (10),(30),(50);
INSERT INTO t1 VALUES (70);
INSERT INTO t1 VALUES (80);
INSERT INTO t1 VALUES (89);
INSERT INTO t1 VALUES (90);
ERROR HY000: Table has no partition for value 90
INSERT INTO t1 VALUES (100);
ERROR HY000: Table has no partition for value 100
insert INTO t1 VALUES (110);
ERROR HY000: Table has no partition for value 110
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 90;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using where
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= 90;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using where
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = 90;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using where
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = 89;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p90 ALL NULL NULL NULL NULL 7 Using where
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= 89;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p90 ALL NULL NULL NULL NULL 7 Using where
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 89;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 7 Using where
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = 100;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 7 Using where
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= 100;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 7 Using where
EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 100;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 7 Using where
DROP TABLE t1;
#
# Bug#50104: Partitioned table with just 1 partion works with fk
#
CREATE TABLE t2 (