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create table bug51378 (
col1 int not null,
col2 blob not null,
col3 datetime not null) engine = innodb;
create unique index idx on bug51378(col1, col2(31));
alter table bug51378 add unique index idx2(col1, col2(31));
create unique index idx3 on bug51378(col1, col3);
SHOW CREATE TABLE bug51378;
Table Create Table
bug51378 CREATE TABLE `bug51378` (
`col1` INT NOT NULL,
`col2` BLOB NOT NULL,
`col3` DATETIME NOT NULL,
UNIQUE KEY `idx3` (`col1`,`col3`) USING BTREE,
UNIQUE KEY `idx` (`col1`,`col2`(31)) USING BTREE,
UNIQUE KEY `idx2` (`col1`,`col2`(31)) USING BTREE
) ENGINE=InnoDB COLLATE = utf8_general_ci
drop index idx3 on bug51378;
SHOW CREATE TABLE bug51378;
Table Create Table
bug51378 CREATE TABLE `bug51378` (
`col1` INT NOT NULL,
`col2` BLOB NOT NULL,
`col3` DATETIME NOT NULL,
UNIQUE KEY `idx` (`col1`,`col2`(31)) USING BTREE,
UNIQUE KEY `idx2` (`col1`,`col2`(31)) USING BTREE
) ENGINE=InnoDB COLLATE = utf8_general_ci
alter table bug51378 add primary key idx3(col1, col2(31));
SHOW CREATE TABLE bug51378;
Table Create Table
bug51378 CREATE TABLE `bug51378` (
`col1` INT NOT NULL,
`col2` BLOB NOT NULL,
`col3` DATETIME NOT NULL,
PRIMARY KEY (`col1`,`col2`(31)) USING BTREE,
UNIQUE KEY `idx` (`col1`,`col2`(31)) USING BTREE,
UNIQUE KEY `idx2` (`col1`,`col2`(31)) USING BTREE
) ENGINE=InnoDB COLLATE = utf8_general_ci
drop table bug51378;
create table bug51378 (
col1 int not null,
col2 blob not null,
col3 datetime not null, primary key(col1, col2(31))) engine = innodb;
create unique index idx on bug51378(col1, col2(31));
SHOW CREATE TABLE bug51378;
Table Create Table
bug51378 CREATE TABLE `bug51378` (
`col1` INT NOT NULL,
`col2` BLOB NOT NULL,
`col3` DATETIME NOT NULL,
PRIMARY KEY (`col1`,`col2`(31)) USING BTREE,
UNIQUE KEY `idx` (`col1`,`col2`(31)) USING BTREE
) ENGINE=InnoDB COLLATE = utf8_general_ci
drop table bug51378;
create table bug51378 (
col1 int not null,
col2 int ) engine = innodb;
create unique index idx on bug51378(col1, col2);
SHOW CREATE TABLE bug51378;
Table Create Table
bug51378 CREATE TABLE `bug51378` (
`col1` INT NOT NULL,
`col2` INT DEFAULT NULL,
UNIQUE KEY `idx` (`col1`,`col2`) USING BTREE
) ENGINE=InnoDB COLLATE = utf8_general_ci
drop table bug51378;
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