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0bef3bb8d0
and partition_info::set_show_version_string - they were already broken and impossible to maintain
68 lines
2.1 KiB
Text
68 lines
2.1 KiB
Text
DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (a <INT_COLUMN>, b <CHAR_COLUMN>) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS> PARTITION BY HASH(a) PARTITIONS 2;
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TRUNCATE TABLE t1;
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INSERT INTO t1 (a,b) VALUES (1,'a'), (2,'b'), (3,'c');
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TRUNCATE TABLE t1;
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SELECT a,b FROM t1;
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a b
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DROP TABLE t1;
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CREATE TABLE t1 (a <INT_COLUMN> KEY AUTO_INCREMENT, c <CHAR_COLUMN>) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS> PARTITION BY HASH(a) PARTITIONS 2;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) NOT NULL AUTO_INCREMENT,
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`c` char(8) DEFAULT NULL,
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PRIMARY KEY (`a`)
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) ENGINE=<STORAGE_ENGINE> DEFAULT CHARSET=latin1
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PARTITION BY HASH (a)
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PARTITIONS 2
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INSERT INTO t1 (c) VALUES ('a'),('b'),('c');
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) NOT NULL AUTO_INCREMENT,
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`c` char(8) DEFAULT NULL,
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PRIMARY KEY (`a`)
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) ENGINE=<STORAGE_ENGINE> AUTO_INCREMENT=4 DEFAULT CHARSET=latin1
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PARTITION BY HASH (a)
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PARTITIONS 2
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TRUNCATE TABLE t1;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) NOT NULL AUTO_INCREMENT,
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`c` char(8) DEFAULT NULL,
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PRIMARY KEY (`a`)
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) ENGINE=<STORAGE_ENGINE> DEFAULT CHARSET=latin1
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PARTITION BY HASH (a)
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PARTITIONS 2
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INSERT INTO t1 (c) VALUES ('d');
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) NOT NULL AUTO_INCREMENT,
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`c` char(8) DEFAULT NULL,
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PRIMARY KEY (`a`)
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) ENGINE=<STORAGE_ENGINE> AUTO_INCREMENT=2 DEFAULT CHARSET=latin1
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PARTITION BY HASH (a)
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PARTITIONS 2
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SELECT a,c FROM t1;
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a c
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1 d
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DROP TABLE t1;
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CREATE TABLE t1 (a <INT_COLUMN>, b <CHAR_COLUMN>) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS> PARTITION BY HASH(a) PARTITIONS 2;
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INSERT INTO t1 (a,b) VALUES (1,'a'),(2,'b'),(3,'c'),(2,'d'),(4,'e'),(100,'f'),(101,'g');
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ALTER TABLE t1 TRUNCATE PARTITION p0;
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SELECT a,b FROM t1;
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a b
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1 a
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101 g
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3 c
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EXPLAIN PARTITIONS SELECT a,b FROM t1;
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id select_type table partitions type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 p0,p1 # # # # # #
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INSERT INTO t1 (a,b) VALUES (1,'a'), (2,'b'), (3,'c');
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ALTER TABLE t1 TRUNCATE PARTITION ALL;
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SELECT a,b FROM t1;
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a b
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DROP TABLE t1;
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