mirror of
https://github.com/MariaDB/server.git
synced 2025-11-03 14:33:32 +03:00
191 lines
4.5 KiB
Plaintext
191 lines
4.5 KiB
Plaintext
drop table if exists t1,t2;
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create table t1(n int);
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insert into t1 values (1);
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lock tables t1 write;
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update low_priority t1 set n = 4;
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select n from t1;
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unlock tables;
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n
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4
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drop table t1;
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create table t1(n int);
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insert into t1 values (1);
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lock tables t1 read;
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update low_priority t1 set n = 4;
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select n from t1;
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n
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1
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unlock tables;
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drop table t1;
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create table t1 (a int, b int);
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create table t2 (c int, d int);
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insert into t1 values(1,1);
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insert into t1 values(2,2);
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insert into t2 values(1,2);
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lock table t1 read;
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update t1,t2 set c=a where b=d;
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select c from t2;
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c
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2
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drop table t1;
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drop table t2;
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create table t1 (a int);
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create table t2 (a int);
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lock table t1 write, t2 write;
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insert t1 select * from t2;
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drop table t2;
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ERROR 42S02: Table 'test.t2' doesn't exist
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drop table t1;
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create table t1 (a int);
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create table t2 (a int);
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lock table t1 write, t2 write, t1 as t1_2 write, t2 as t2_2 write;
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insert t1 select * from t2;
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drop table t2;
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ERROR 42S02: Table 'test.t2' doesn't exist
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drop table t1;
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End of 4.1 tests
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create table t1(a int);
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lock tables t1 write;
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show columns from t1;
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Field Type Null Key Default Extra
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a int(11) YES NULL
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unlock tables;
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drop table t1;
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use mysql;
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LOCK TABLES columns_priv WRITE, db WRITE, host WRITE, user WRITE;
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FLUSH TABLES;
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use mysql;
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SELECT user.Select_priv FROM user, db WHERE user.user = db.user LIMIT 1;
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OPTIMIZE TABLES columns_priv, db, host, user;
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Table Op Msg_type Msg_text
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mysql.columns_priv optimize status OK
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mysql.db optimize status OK
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mysql.host optimize status OK
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mysql.user optimize status OK
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UNLOCK TABLES;
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Select_priv
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N
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use test;
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use test;
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CREATE TABLE t1 (c1 int);
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LOCK TABLE t1 WRITE;
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FLUSH TABLES WITH READ LOCK;
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CREATE TABLE t2 (c1 int);
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UNLOCK TABLES;
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UNLOCK TABLES;
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DROP TABLE t1, t2;
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CREATE TABLE t1 (c1 int);
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LOCK TABLE t1 WRITE;
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FLUSH TABLES WITH READ LOCK;
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CREATE TABLE t2 AS SELECT * FROM t1;
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ERROR HY000: Table 't2' was not locked with LOCK TABLES
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UNLOCK TABLES;
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UNLOCK TABLES;
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DROP TABLE t1;
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CREATE DATABASE mysqltest_1;
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FLUSH TABLES WITH READ LOCK;
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DROP DATABASE mysqltest_1;
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DROP DATABASE mysqltest_1;
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ERROR HY000: Can't execute the query because you have a conflicting read lock
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UNLOCK TABLES;
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DROP DATABASE mysqltest_1;
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ERROR HY000: Can't drop database 'mysqltest_1'; database doesn't exist
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create table t1 (f1 int(12) unsigned not null auto_increment, primary key(f1)) engine=innodb;
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lock tables t1 write;
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alter table t1 auto_increment=0;
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alter table t1 auto_increment=0;
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unlock tables;
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drop table t1;
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CREATE TABLE t1 (
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a int(11) unsigned default NULL,
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b varchar(255) default NULL,
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UNIQUE KEY a (a),
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KEY b (b)
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);
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INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3);
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CREATE TABLE t2 SELECT * FROM t1;
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CREATE TABLE t3 SELECT * FROM t1;
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# test altering of columns that multiupdate doesn't use
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# normal mode
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# PS mode
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# test altering of columns that multiupdate uses
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# normal mode
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# PS mode
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DROP TABLE t1, t2, t3;
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CREATE TABLE t1( a INT, b INT );
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INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3), (4, 4);
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# 1. test regular tables
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# 1.1. test altering of columns that multiupdate doesn't use
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# 1.1.1. normal mode
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# 1.1.2. PS mode
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# 1.2. test altering of columns that multiupdate uses
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# 1.2.1. normal mode
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# 1.2.2. PS mode
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ALTER TABLE t1 ADD COLUMN a INT;
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# 2. test UNIONs
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# 2.1. test altering of columns that multiupdate doesn't use
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# 2.1.1. normal mode
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# 2.1.2. PS mode
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# 2.2. test altering of columns that multiupdate uses
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# 2.2.1. normal mode
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# 2.2.2. PS mode
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DROP TABLE t1;
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End of 5.0 tests
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create table t1 (i int);
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lock table t1 read;
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update t1 set i= 10;;
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select * from t1;;
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kill query ID;
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i
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ERROR 70100: Query execution was interrupted
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unlock tables;
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drop table t1;
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drop table if exists t1;
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create table t1 (a int) ENGINE=MEMORY;
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--> client 2
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handler t1 open;
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ERROR HY000: Table storage engine for 't1' doesn't have this option
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--> client 1
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drop table t1;
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drop table if exists t1;
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create table t1 (i int);
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connection: default
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lock tables t1 write;
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connection: flush
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flush tables with read lock;;
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connection: default
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alter table t1 add column j int;
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connection: insert
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insert into t1 values (1,2);;
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connection: default
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unlock tables;
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connection: flush
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select * from t1;
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i j
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unlock tables;
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select * from t1;
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i j
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1 2
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drop table t1;
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drop table if exists t1;
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create table t1 (i int);
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connection: default
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lock tables t1 write;
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connection: flush
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flush tables with read lock;;
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connection: default
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flush tables;
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unlock tables;
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drop table t1;
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drop table if exists t1,t2;
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create table t1 (a int);
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flush status;
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lock tables t1 read;
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insert into t1 values(1);;
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unlock tables;
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drop table t1;
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select @tlwa < @tlwb;
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@tlwa < @tlwb
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1
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End of 5.1 tests
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