mariadb/mysql-test/t/create_or_replace.test

#
# Check CREATE OR REPLACE ALTER TABLE
#

--source include/have_innodb.inc
--disable_warnings
drop table if exists t1,t2,t3;
--enable_warnings

#
# Create help table
#

CREATE TABLE t2 (a int);
INSERT INTO t2 VALUES(1),(2),(3);

--echo #
--echo # Check first syntax and wrong usage
--echo #

--error ER_WRONG_USAGE
CREATE OR REPLACE TABLE IF NOT EXISTS t1 (a int);
--error ER_WRONG_USAGE
create or replace trigger trg before insert on t1 for each row set @a:=1;

# check that we don't try to create a log table in use
--error ER_BAD_LOG_STATEMENT
create or replace table mysql.general_log (a int);
--error ER_BAD_LOG_STATEMENT
create or replace table mysql.slow_log (a int);

--echo #
--echo # Usage when table doesn't exist
--echo #

CREATE OR REPLACE TABLE t1 (a int);
--error ER_TABLE_EXISTS_ERROR
CREATE TABLE t1 (a int);
DROP TABLE t1;
CREATE OR REPLACE TEMPORARY TABLE t1 (a int);
--error ER_TABLE_EXISTS_ERROR
CREATE TEMPORARY TABLE t1 (a int, b int, c int);
DROP TEMPORARY TABLE t1;

--echo #
--echo # Testing with temporary tables
--echo #

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;
DROP TEMPORARY TABLE t1;
SHOW CREATE TABLE t1;
DROP TABLE t1;

# Test also with InnoDB
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;
drop table t1;

# Using lock tables on normal tables with create or replace on temp tables
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;
DROP TEMPORARY TABLE t1;
SHOW CREATE TABLE t1;
# Verify that table is still locked
--error ER_TABLE_NOT_LOCKED
CREATE OR REPLACE TABLE t2 (a int);
DROP TABLE t1;
UNLOCK TABLES;

#
# Using CREATE SELECT
#

CREATE OR REPLACE TEMPORARY TABLE t1 (a int) SELECT * from t2;
SELECT * FROM t1;
CREATE OR REPLACE TEMPORARY TABLE t1 (b int) SELECT * from t2;
SELECT * FROM t1;
SHOW CREATE TABLE t1;
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;
DROP TABLE t1;

CREATE TABLE t1 (a int);
CREATE OR REPLACE TABLE t1 AS SELECT 1;
SHOW CREATE TABLE t1;
DROP TABLE t1;

create table t1 (a int);
--error ER_UPDATE_TABLE_USED
create or replace table t1 as select * from t1;
--error ER_UPDATE_TABLE_USED
create or replace table t1 as select a from (select a from t1) as t3;
--error ER_UPDATE_TABLE_USED
create or replace table t1 as select a from t2 where t2.a in (select a from t1);
drop table t1;

--echo #
--echo # Testing with normal tables
--echo #

CREATE OR REPLACE TABLE t1 (a int);
CREATE OR REPLACE TABLE t1 (a int, b int);
SHOW CREATE TABLE t1;
DROP TABLE t1;

CREATE TABLE t1 (a int) SELECT * from t2;
SELECT * FROM t1;
TRUNCATE TABLE t1;
CREATE TABLE IF NOT EXISTS t1 (a int) SELECT * from t2;
SELECT * FROM t1;
DROP TABLE t1;

CREATE TABLE t1 (i int);
CREATE OR REPLACE TABLE t1 AS SELECT 1;
SHOW CREATE TABLE t1;
DROP TABLE t1;

# Using lock tables with CREATE OR REPLACE
CREATE OR REPLACE TABLE t1 (a int);
LOCK TABLES t1 write,t2 write;
CREATE OR REPLACE TABLE t1 (a int, b int);
# Verify if table is still locked
SELECT * FROM t1;
INSERT INTO t1 values(1,1);
CREATE OR REPLACE TABLE t1 (a int, b int, c int);
INSERT INTO t1 values(1,1,1);
--error ER_TABLE_NOT_LOCKED
CREATE OR REPLACE TABLE t3 (a int);
UNLOCK TABLES;
DROP TABLE t1;

# Using lock tables with CREATE OR REPLACE ... SELECT
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;
# Verify if table is still locked
SELECT * FROM t2;
SELECT * FROM t1;
SELECT * FROM t1;
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);
--error ER_TABLE_NOT_LOCKED
CREATE OR REPLACE TABLE t3 (a int);
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;
SELECT * FROM t2;
--error ER_TABLE_NOT_LOCKED
SELECT * FROM t1 as t1_read;
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;
--error ER_TABLE_NOT_LOCKED
SELECT * from t2;
DROP TABLE t1;

--echo #
--echo # Test also with InnoDB (transactional engine)
--echo #

create table t1 (i int) engine=innodb;
lock table t1 write;
create or replace table t1 (j int);
unlock tables;
show create table t1;
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);
lock table t1 write, t2 write, t3 write;
create or replace table t1 (a int, i int) engine=innodb select t2.a,t3.i from t2,t3;
unlock tables;
select * from t1 order by a,i;
drop table t1,t3;

--echo #
--echo # Testing CREATE .. LIKE
--echo #

create or replace table t1 like t2;
create or replace table t1 like t2;
show create table t1;
drop table t1;
create table t1 (b int);
lock tables t1 write, t2 read;
create or replace table t1 like t2;
SELECT * FROM t1;
INSERT INTO t1 values(1);
CREATE OR REPLACE TABLE t1 like t2;
INSERT INTO t1 values(2);
unlock tables;
show create table t1;
drop table t1;

create or replace table t1 like t2;
--error ER_NONUNIQ_TABLE
create or replace table t1 like t1;
drop table t1;

CREATE TEMPORARY TABLE t1 like t2;
--error ER_NONUNIQ_TABLE
CREATE OR REPLACE TABLE t1 like t1;
--error ER_NONUNIQ_TABLE
CREATE OR REPLACE TABLE t1 like t1;
drop table t1;

CREATE TEMPORARY TABLE t1 like t2;
CREATE OR REPLACE TEMPORARY TABLE t3 like t1;
--error ER_NONUNIQ_TABLE
CREATE OR REPLACE TEMPORARY TABLE t3 like t3;
drop table t1,t3;

--echo #
--echo # Test with prepared statements
--echo #

prepare stmt1 from 'create or replace table t1 select * from t2';
execute stmt1;
select * from t1;
execute stmt1;
select * from t1;
drop table t1;
execute stmt1;
select * from t1;
deallocate prepare stmt1;
drop table t1;

--echo #
--echo # Test with views
--echo #

create view t1 as select 1;
create table if not exists t1 (a int);
--error ER_IT_IS_A_VIEW
create or replace table t1 (a int);
--error ER_IT_IS_A_VIEW
drop table t1;
drop view t1;

#
# Cleanup
#
DROP TABLE t2;