mirror of
https://github.com/MariaDB/server.git
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140 lines
4.3 KiB
Plaintext
140 lines
4.3 KiB
Plaintext
drop table if exists t1, t2;
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CREATE TABLE t1
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(
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id INT PRIMARY KEY,
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number INT,
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string VARCHAR(20),
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UNIQUE INDEX (number)
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) ENGINE=pbxt;
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truncate table t1;
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insert t1 values (1, 1, 'abc');
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begin;
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update t1 set string = 'def' where id = 1;
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update t1 set string = 'HIJ' where id = 1;
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select * from t1 where id = 1;
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id number string
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1 1 HIJ
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select * from t1 where number = 1;
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id number string
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1 1 HIJ
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update t1 set string = '123', number=2 where id = 1;
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select * from t1 where id = 1;
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id number string
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1 2 123
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select * from t1 where number = 2;
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id number string
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1 2 123
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commit;
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insert t1 values (2, 2, 'abc');
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ERROR 23000: Duplicate entry '2' for key 'number'
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insert t1 values (2, 3, 'abc');
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select * from t1 order by id;
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id number string
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1 2 123
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2 3 abc
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begin;
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update t1 set number = 1 where id = 1;
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select * from t1 order by id;
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id number string
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1 1 123
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2 3 abc
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update t1 set number = 3 where id = 1;
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ERROR 23000: Duplicate entry '3' for key 'number'
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select * from t1 where id = 1;
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id number string
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1 1 123
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select * from t1 where id = 2;
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id number string
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2 3 abc
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select * from t1 where number = 1;
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id number string
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1 1 123
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select * from t1 where number = 3;
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id number string
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2 3 abc
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select * from t1 order by id;
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id number string
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1 1 123
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2 3 abc
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commit;
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select * from t1 order by id;
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id number string
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1 1 123
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2 3 abc
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drop table t1;
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CREATE TABLE t1
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(
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id INT PRIMARY KEY,
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number INT,
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string VARCHAR(300),
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UNIQUE INDEX (number)
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) ENGINE=pbxt;
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truncate table t1;
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insert t1 values (1, 1, 'abc01234567890123456789012345678901234567890123456789$$$');
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begin;
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update t1 set string = 'def01234567890123456789012345678901234567890123456789---' where id = 1;
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update t1 set string = 'HIJ01234567890123456789012345678901234567890123456789***' where id = 1;
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select * from t1 where id = 1;
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id number string
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1 1 HIJ01234567890123456789012345678901234567890123456789***
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select * from t1 where number = 1;
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id number string
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1 1 HIJ01234567890123456789012345678901234567890123456789***
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update t1 set string = '12301234567890123456789012345678901234567890123456789+++', number=2 where id = 1;
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select * from t1 where id = 1;
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id number string
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1 2 12301234567890123456789012345678901234567890123456789+++
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select * from t1 where number = 2;
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id number string
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1 2 12301234567890123456789012345678901234567890123456789+++
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commit;
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insert t1 values (2, 2, 'abc01234567890123456789012345678901234567890123456789===');
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ERROR 23000: Duplicate entry '2' for key 'number'
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insert t1 values (2, 3, 'abc01234567890123456789012345678901234567890123456789+++');
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select * from t1 order by id;
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id number string
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1 2 12301234567890123456789012345678901234567890123456789+++
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2 3 abc01234567890123456789012345678901234567890123456789+++
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begin;
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update t1 set number = 1 where id = 1;
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select * from t1 order by id;
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id number string
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1 1 12301234567890123456789012345678901234567890123456789+++
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2 3 abc01234567890123456789012345678901234567890123456789+++
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update t1 set number = 3 where id = 1;
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ERROR 23000: Duplicate entry '3' for key 'number'
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select * from t1 where id = 1;
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id number string
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1 1 12301234567890123456789012345678901234567890123456789+++
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select * from t1 where id = 2;
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id number string
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2 3 abc01234567890123456789012345678901234567890123456789+++
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select * from t1 where number = 1;
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id number string
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1 1 12301234567890123456789012345678901234567890123456789+++
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select * from t1 where number = 3;
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id number string
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2 3 abc01234567890123456789012345678901234567890123456789+++
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select * from t1 order by id;
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id number string
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1 1 12301234567890123456789012345678901234567890123456789+++
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2 3 abc01234567890123456789012345678901234567890123456789+++
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rollback;
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select * from t1 order by id;
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id number string
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1 2 12301234567890123456789012345678901234567890123456789+++
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2 3 abc01234567890123456789012345678901234567890123456789+++
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drop table t1;
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DROP TABLE IF EXISTS t1;
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Warnings:
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Note 1051 Unknown table 't1'
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CREATE TABLE t1 ( id int, name varchar(300)) engine=pbxt;
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begin;
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insert t1(id, name) values(1, "aaa");
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update t1 set name=REPEAT('A', 300) where id = 1;
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commit;
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select * from t1;
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id name
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1 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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drop table t1;
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