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drop table if exists t1,t2,t3;
CREATE TABLE t2 (a int);
INSERT INTO t2 VALUES(1),(2),(3);
#
# Check first syntax and wrong usage
#
CREATE OR REPLACE TABLE IF NOT EXISTS t1 (a int);
ERROR HY000: Incorrect usage of OR REPLACE and IF NOT EXISTS
create or replace trigger trg before insert on t1 for each row set @a:=1;
ERROR HY000: Incorrect usage of OR REPLACE and TRIGGERS / SP / EVENT
create or replace table mysql.general_log (a int);
ERROR HY000: You cannot 'CREATE OR REPLACE' a log table if logging is enabled
create or replace table mysql.slow_log (a int);
ERROR HY000: You cannot 'CREATE OR REPLACE' a log table if logging is enabled
#
# Usage when table doesn't exist
#
CREATE OR REPLACE TABLE t1 (a int);
CREATE TABLE t1 (a int);
ERROR 42S01: Table 't1' already exists
DROP TABLE t1;
CREATE OR REPLACE TEMPORARY TABLE t1 (a int);
CREATE TEMPORARY TABLE t1 (a int, b int, c int);
ERROR 42S01: Table 't1' already exists
DROP TEMPORARY TABLE t1;
#
# Testing with temporary tables
#
CREATE OR REPLACE TABLE t1 (a int);
CREATE OR REPLACE TEMPORARY TABLE t1 (a int);
CREATE OR REPLACE TEMPORARY TABLE t1 (a int, b int);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TEMPORARY TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TEMPORARY TABLE t1;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
create temporary table t1 (i int) engine=InnoDB;
create or replace temporary table t1 (a int, b int) engine=InnoDB;
create or replace temporary table t1 (j int);
show create table t1;
Table Create Table
t1 CREATE TEMPORARY TABLE `t1` (
`j` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
CREATE OR REPLACE TABLE t1 (a int);
LOCK TABLES t1 write;
CREATE OR REPLACE TEMPORARY TABLE t1 (a int);
CREATE OR REPLACE TEMPORARY TABLE t1 (a int, b int);
CREATE OR REPLACE TEMPORARY TABLE t1 (a int, b int) engine= innodb;
CREATE OR REPLACE TEMPORARY TABLE t1 (a int) engine= innodb;
CREATE OR REPLACE TEMPORARY TABLE t1 (a int, b int) engine=myisam;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TEMPORARY TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TEMPORARY TABLE t1;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
CREATE OR REPLACE TABLE t2 (a int);
ERROR HY000: Table 't2' was not locked with LOCK TABLES
DROP TABLE t1;
UNLOCK TABLES;
CREATE OR REPLACE TEMPORARY TABLE t1 (a int) SELECT * from t2;
SELECT * FROM t1;
a
1
2
3
CREATE OR REPLACE TEMPORARY TABLE t1 (b int) SELECT * from t2;
SELECT * FROM t1;
b a
NULL 1
NULL 2
NULL 3
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TEMPORARY TABLE `t1` (
`b` int(11) DEFAULT NULL,
`a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TEMPORARY TABLE t1 AS SELECT a FROM t2;
CREATE TEMPORARY TABLE IF NOT EXISTS t1(a int, b int) SELECT 1,2 FROM t2;
Warnings:
Note 1050 Table 't1' already exists
DROP TABLE t1;
CREATE TABLE t1 (a int);
CREATE OR REPLACE TABLE t1 AS SELECT 1;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`1` int(1) NOT NULL DEFAULT '0'
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
create table t1 (a int);
create or replace table t1 as select * from t1;
ERROR HY000: Table 't1' is specified twice, both as a target for 'CREATE' and as a separate source for data
create or replace table t1 as select a from (select a from t1) as t3;
ERROR HY000: Table 't1' is specified twice, both as a target for 'CREATE' and as a separate source for data
create or replace table t1 as select a from t2 where t2.a in (select a from t1);
ERROR HY000: Table 't1' is specified twice, both as a target for 'CREATE' and as a separate source for data
drop table t1;
#
# Testing with normal tables
#
CREATE OR REPLACE TABLE t1 (a int);
CREATE OR REPLACE TABLE t1 (a int, b int);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 (a int) SELECT * from t2;
SELECT * FROM t1;
a
1
2
3
TRUNCATE TABLE t1;
CREATE TABLE IF NOT EXISTS t1 (a int) SELECT * from t2;
Warnings:
Note 1050 Table 't1' already exists
SELECT * FROM t1;
a
DROP TABLE t1;
CREATE TABLE t1 (i int);
CREATE OR REPLACE TABLE t1 AS SELECT 1;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`1` int(1) NOT NULL DEFAULT '0'
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE OR REPLACE TABLE t1 (a int);
LOCK TABLES t1 write,t2 write;
CREATE OR REPLACE TABLE t1 (a int, b int);
SELECT * FROM t1;
a b
INSERT INTO t1 values(1,1);
CREATE OR REPLACE TABLE t1 (a int, b int, c int);
INSERT INTO t1 values(1,1,1);
CREATE OR REPLACE TABLE t3 (a int);
ERROR HY000: Table 't3' was not locked with LOCK TABLES
UNLOCK TABLES;
DROP TABLE t1;
CREATE OR REPLACE TABLE t1 (a int);
LOCK TABLES t1 write,t2 write;
CREATE OR REPLACE TABLE t1 (a int, b int) select a,1 from t2;
SELECT * FROM t2;
a
1
2
3
SELECT * FROM t1;
b a 1
NULL 1 1
NULL 2 1
NULL 3 1
SELECT * FROM t1;
b a 1
NULL 1 1
NULL 2 1
NULL 3 1
INSERT INTO t1 values(1,1,1);
CREATE OR REPLACE TABLE t1 (a int, b int, c int, d int);
INSERT INTO t1 values(1,1,1,1);
CREATE OR REPLACE TABLE t3 (a int);
ERROR HY000: Table 't3' was not locked with LOCK TABLES
UNLOCK TABLES;
DROP TABLE t1;
CREATE OR REPLACE TABLE t1 (a int);
LOCK TABLES t1 write,t2 write, t1 as t1_read read;
CREATE OR REPLACE TABLE t1 (a int, b int) select a,1 from t2;
SELECT * FROM t1;
b a 1
NULL 1 1
NULL 2 1
NULL 3 1
SELECT * FROM t2;
a
1
2
3
SELECT * FROM t1 as t1_read;
ERROR HY000: Table 't1_read' was not locked with LOCK TABLES
DROP TABLE t1;
UNLOCK TABLES;
CREATE OR REPLACE TABLE t1 (a int);
LOCK TABLE t1 WRITE;
CREATE OR REPLACE TABLE t1 AS SELECT 1;
SELECT * from t1;
1
1
SELECT * from t2;
ERROR HY000: Table 't2' was not locked with LOCK TABLES
DROP TABLE t1;
#
# Test also with InnoDB (transactional engine)
#
create table t1 (i int) engine=innodb;
lock table t1 write;
create or replace table t1 (j int);
unlock tables;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`j` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 (i int) engine=InnoDB;
lock table t1 write, t2 write;
create or replace table t1 (j int) engine=innodb;
unlock tables;
drop table t1;
create table t1 (i int) engine=InnoDB;
create table t3 (i int) engine=InnoDB;
insert into t3 values(1),(2),(3);
create table t4 (i int) engine=InnoDB;
insert into t4 values(1);
lock table t1 write, t2 write, t3 write, t4 write;
create or replace table t1 (a int, i int) engine=innodb select t2.a,t3.i from t2,t3;
select * from t4;
i
1
unlock tables;
select * from t1 order by a,i;
a i
1 1
1 2
1 3
2 1
2 2
2 3
3 1
3 2
3 3
drop table t1,t3,t4;
#
# Test the meta data locks are freed properly
#
create database mysqltest2;
drop table if exists test.t1,mysqltest2.t2;
Warnings:
Note 1051 Unknown table 'test.t1'
Note 1051 Unknown table 'mysqltest2.t2'
create table test.t1 (i int);
create table mysqltest2.t2 like test.t1;
lock table test.t1 write, mysqltest2.t2 write;
select * from information_schema.metadata_lock_info;
THREAD_ID LOCK_MODE LOCK_DURATION LOCK_TYPE TABLE_SCHEMA TABLE_NAME
# MDL_INTENTION_EXCLUSIVE NULL Global read lock
# MDL_INTENTION_EXCLUSIVE NULL Schema metadata lock mysqltest2
# MDL_INTENTION_EXCLUSIVE NULL Schema metadata lock test
# MDL_SHARED_NO_READ_WRITE NULL Table metadata lock mysqltest2 t2
# MDL_SHARED_NO_READ_WRITE NULL Table metadata lock test t1
create or replace table test.t1;
ERROR 42000: A table must have at least 1 column
show tables;
Tables_in_test
t2
select * from information_schema.metadata_lock_info;
THREAD_ID LOCK_MODE LOCK_DURATION LOCK_TYPE TABLE_SCHEMA TABLE_NAME
# MDL_INTENTION_EXCLUSIVE NULL Global read lock
# MDL_INTENTION_EXCLUSIVE NULL Schema metadata lock mysqltest2
# MDL_INTENTION_EXCLUSIVE NULL Schema metadata lock test
# MDL_SHARED_NO_READ_WRITE NULL Table metadata lock mysqltest2 t2
create or replace table mysqltest2.t2;
ERROR 42000: A table must have at least 1 column
select * from information_schema.metadata_lock_info;
THREAD_ID LOCK_MODE LOCK_DURATION LOCK_TYPE TABLE_SCHEMA TABLE_NAME
create table t1 (i int);
drop table t1;
create table test.t1 (i int);
create table mysqltest2.t2 like test.t1;
lock table test.t1 write, mysqltest2.t2 write;
select * from information_schema.metadata_lock_info;
THREAD_ID LOCK_MODE LOCK_DURATION LOCK_TYPE TABLE_SCHEMA TABLE_NAME
# MDL_INTENTION_EXCLUSIVE NULL Global read lock
# MDL_INTENTION_EXCLUSIVE NULL Schema metadata lock mysqltest2
# MDL_INTENTION_EXCLUSIVE NULL Schema metadata lock test
# MDL_SHARED_NO_READ_WRITE NULL Table metadata lock mysqltest2 t2
# MDL_SHARED_NO_READ_WRITE NULL Table metadata lock test t1
create or replace table test.t1 (a int) select 1 as 'a', 2 as 'a';
ERROR 42S21: Duplicate column name 'a'
show tables;
Tables_in_test
t2
select * from information_schema.metadata_lock_info;
THREAD_ID LOCK_MODE LOCK_DURATION LOCK_TYPE TABLE_SCHEMA TABLE_NAME
# MDL_INTENTION_EXCLUSIVE NULL Global read lock
# MDL_INTENTION_EXCLUSIVE NULL Schema metadata lock mysqltest2
# MDL_INTENTION_EXCLUSIVE NULL Schema metadata lock test
# MDL_SHARED_NO_READ_WRITE NULL Table metadata lock mysqltest2 t2
create or replace table mysqltest2.t2 (a int) select 1 as 'a', 2 as 'a';
ERROR 42S21: Duplicate column name 'a'
select * from information_schema.metadata_lock_info;
THREAD_ID LOCK_MODE LOCK_DURATION LOCK_TYPE TABLE_SCHEMA TABLE_NAME
create table t1 (i int);
drop table t1;
drop database mysqltest2;
#
# Testing CREATE .. LIKE
#
create or replace table t1 like t2;
create or replace table t1 like t2;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 (b int);
lock tables t1 write, t2 read;
create or replace table t1 like t2;
SELECT * FROM t1;
a
INSERT INTO t1 values(1);
CREATE OR REPLACE TABLE t1 like t2;
INSERT INTO t1 values(2);
unlock tables;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create or replace table t1 like t2;
create or replace table t1 like t1;
ERROR 42000: Not unique table/alias: 't1'
drop table t1;
CREATE TEMPORARY TABLE t1 like t2;
CREATE OR REPLACE TABLE t1 like t1;
ERROR 42000: Not unique table/alias: 't1'
CREATE OR REPLACE TABLE t1 like t1;
ERROR 42000: Not unique table/alias: 't1'
drop table t1;
CREATE TEMPORARY TABLE t1 like t2;
CREATE OR REPLACE TEMPORARY TABLE t3 like t1;
CREATE OR REPLACE TEMPORARY TABLE t3 like t3;
ERROR 42000: Not unique table/alias: 't3'
drop table t1,t3;
#
# Test with prepared statements
#
prepare stmt1 from 'create or replace table t1 select * from t2';
execute stmt1;
select * from t1;
a
1
2
3
execute stmt1;
select * from t1;
a
1
2
3
drop table t1;
execute stmt1;
select * from t1;
a
1
2
3
deallocate prepare stmt1;
drop table t1;
#
# Test with views
#
create view t1 as select 1;
create table if not exists t1 (a int);
Warnings:
Note 1050 Table 't1' already exists
create or replace table t1 (a int);
ERROR 42S02: 'test.t1' is a view
drop table t1;
ERROR 42S02: 'test.t1' is a view
drop view t1;
#
# MDEV-5602 CREATE OR REPLACE obtains stricter locks than the
# connection had before
#
create table t1 (a int);
lock table t1 write, t2 read;
select * from information_schema.metadata_lock_info;
THREAD_ID LOCK_MODE LOCK_DURATION LOCK_TYPE TABLE_SCHEMA TABLE_NAME
# MDL_INTENTION_EXCLUSIVE NULL Global read lock
# MDL_INTENTION_EXCLUSIVE NULL Schema metadata lock test
# MDL_SHARED_NO_READ_WRITE NULL Table metadata lock test t1
# MDL_SHARED_READ NULL Table metadata lock test t2
create or replace table t1 (i int);
select * from information_schema.metadata_lock_info;
THREAD_ID LOCK_MODE LOCK_DURATION LOCK_TYPE TABLE_SCHEMA TABLE_NAME
# MDL_INTENTION_EXCLUSIVE NULL Global read lock
# MDL_INTENTION_EXCLUSIVE NULL Schema metadata lock test
# MDL_SHARED_NO_READ_WRITE NULL Table metadata lock test t1
# MDL_SHARED_READ NULL Table metadata lock test t2
create or replace table t1 like t2;
select * from information_schema.metadata_lock_info;
THREAD_ID LOCK_MODE LOCK_DURATION LOCK_TYPE TABLE_SCHEMA TABLE_NAME
# MDL_INTENTION_EXCLUSIVE NULL Global read lock
# MDL_INTENTION_EXCLUSIVE NULL Schema metadata lock test
# MDL_SHARED_NO_READ_WRITE NULL Table metadata lock test t1
# MDL_SHARED_READ NULL Table metadata lock test t2
create or replace table t1 select 1 as f1;
select * from information_schema.metadata_lock_info;
THREAD_ID LOCK_MODE LOCK_DURATION LOCK_TYPE TABLE_SCHEMA TABLE_NAME
# MDL_INTENTION_EXCLUSIVE NULL Global read lock
# MDL_INTENTION_EXCLUSIVE NULL Schema metadata lock test
# MDL_SHARED_NO_READ_WRITE NULL Table metadata lock test t1
# MDL_SHARED_READ NULL Table metadata lock test t2
drop table t1;
unlock tables;
#
# MDEV-6560
# Assertion `! is_set() ' failed in Diagnostics_area::set_ok_status
#
CREATE TABLE t1 (col_int_nokey INT) ENGINE=InnoDB;
CREATE OR REPLACE TEMPORARY TABLE tmp LIKE t1;
LOCK TABLE t1 WRITE;
CREATE OR REPLACE TABLE t1 LIKE tmp;
KILL QUERY con_id;
ERROR 70100: Query execution was interrupted
CREATE OR REPLACE TABLE t1 (a int);
KILL QUERY con_id;
ERROR 70100: Query execution was interrupted
drop table t1;
DROP TABLE t2;
#
# MDEV-10824 - Crash in CREATE OR REPLACE TABLE t1 AS SELECT spfunc()
#
CREATE TABLE t1(a INT);
CREATE FUNCTION f1() RETURNS VARCHAR(16383) RETURN 'test';
CREATE OR REPLACE TABLE t1 AS SELECT f1();
LOCK TABLE t1 WRITE;
CREATE OR REPLACE TABLE t1 AS SELECT f1();
UNLOCK TABLES;
DROP FUNCTION f1;
DROP TABLE t1;
|
