drop table if exists t0,t1,t2,t3,t4;
drop table if exists t0,t5,t6,t7,t8,t9,t1_1,t1_2,t9_1,t9_2;
create table t0 SELECT 1,"table 1";
create table t2 SELECT 2,"table 2";
create table t3 SELECT 3,"table 3";
rename table t0 to t1;
rename table t3 to t4, t2 to t3, t1 to t2, t4 to t1;
select * from t1;
3	table 3
3	table 3
rename table t3 to t4, t2 to t3, t1 to t2, t4 to t1;
rename table t3 to t4, t2 to t3, t1 to t2, t4 to t1;
select * from t1;
1	table 1
1	table 1
rename table t1 to t2;
Got one of the listed errors
rename table t1 to t1;
Got one of the listed errors
rename table t3 to t4, t2 to t3, t1 to t2, t4 to t2;
Got one of the listed errors
show tables like "t_";
Tables_in_test (t_)
t1
t2
t3
rename table t3 to t1, t2 to t3, t1 to t2, t4 to t1;
Got one of the listed errors
rename table t3 to t4, t5 to t3, t1 to t2, t4 to t1;
Got one of the listed errors
select * from t1;
1	table 1
1	table 1
select * from t2;
2	table 2
2	table 2
select * from t3;
3	table 3
3	table 3
drop table if exists t1,t2,t3,t4;
Warnings:
Note	1051	Unknown table 'test.t4'
CREATE TABLE t1 (a int);
CREATE TABLE t3 (a int);
FLUSH TABLES WITH READ LOCK;
RENAME TABLE t1 TO t2, t3 to t4;
show tables;
Tables_in_test
t1
t3
UNLOCK TABLES;
show tables;
Tables_in_test
t2
t4
drop table t2, t4;
End of 4.1 tests
#
# Bug#14959: "ALTER TABLE isn't able to rename a view"
# Bug#53976: "ALTER TABLE RENAME is allowed on views
#             (not documented, broken)"
#
create table t1(f1 int);
create view v1 as select * from t1;
alter table v1 rename to v2;
ERROR HY000: 'test.v1' is not BASE TABLE
drop view v1;
drop table t1;
End of 5.0 tests
#
# Bug#20197870: sql_table.cc: bool mysql_rename_table ...
#               assertion `error==0\' failed.
# The test crashes server without the fix.
#
SET @orig_innodb_file_per_table= @@innodb_file_per_table;
SET GLOBAL innodb_file_per_table = 0;
create table t1(f1 int) engine=innodb;
rename table test.t1 to nonexistingdb.t2;
ERROR 42000: Unknown database 'nonexistingdb'
drop table t1;
SET GLOBAL innodb_file_per_table = @orig_innodb_file_per_table;
#
# Test coverage for WL#9826 "Allow RENAME TABLES under LOCK TABLES".
#
SET @old_lock_wait_timeout= @@lock_wait_timeout;
connect  con1, localhost, root,,;
SET @old_lock_wait_timeout= @@lock_wait_timeout;
connection default;
#
# 1) Requirements on table locking for tables renamed and
#    target table names.
#
# 1.1) Requirements on renamed table locks.
CREATE TABLE t1 (i INT);
CREATE TABLE t2 (j INT);
LOCK TABLES t1 READ;
# Renamed table must be locked.
RENAME TABLE t2 TO t3;
ERROR HY000: Table 't2' was not locked with LOCK TABLES
# Moreover, renamed table must be locked for write.
RENAME TABLE t1 TO t3;
ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
UNLOCK TABLES;
LOCK TABLE t1 WRITE;
# Renaming write-locked table is OK, there is no need
# (and way) to lock target table name.
RENAME TABLE t1 TO t3;
# There is no need to lock source name for the table, if it is
# result of some earlier step of the same RENAME TABLES.
RENAME TABLE t3 TO t4, t4 TO t5;
UNLOCK TABLES;
# Special case involving foreign keys. If RENAME TABLE is
# going to provide parent for some orphan FK, then the
# child table of this FK needs to be write locked, or
# FK invariants for LOCK TABLES will be broken,
SET FOREIGN_KEY_CHECKS=0;
CREATE TABLE t1 (fk INT, FOREIGN KEY(fk) REFERENCES t3(pk));
SET FOREIGN_KEY_CHECKS=1;
CREATE TABLE t0 (pk INT PRIMARY KEY);
LOCK TABLES t0 WRITE;
RENAME TABLE t0 TO t3;
ERROR HY000: Table 't1' was not locked with LOCK TABLES
UNLOCK TABLES;
LOCK TABLES t1 READ, t0 WRITE;
RENAME TABLE t0 TO t3;
ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
UNLOCK TABLES;
LOCK TABLES t1 WRITE, t0 WRITE;
RENAME TABLE t0 TO t3;
UNLOCK TABLES;
DROP TABLES t1, t3;
#
# 1.2) Locking of target table.
#
# This part of test resides in rename_debug.test.
#
# 2) Failure to acquire/upgrade locks on tables involved.
#
# This part of test resides in rename_debug.test.
#
# 3) Effects of RENAME TABLES on set of locked tables and
#    metadata locks held.
#
# 3.1) Trivial RENAME TABLE.
LOCK TABLES t5 WRITE;
RENAME TABLE t5 TO t4;
# Table is available under new name under LOCK TABLES.
SELECT * FROM t4;
i
connection con1;
# Access by new name from other connections should be blocked.
SET @@lock_wait_timeout= 1;
SELECT * FROM t4;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
SET @@lock_wait_timeout= @old_lock_wait_timeout;
# But not for old table name.
SELECT * FROM t5;
ERROR 42S02: Table 'test.t5' doesn't exist
connection default;
UNLOCK TABLES;
#
# 3.2) RENAME TABLE in case when several tables are locked.
LOCK TABLES t2 READ, t4 WRITE;
RENAME TABLE t4 TO t5;
# Table t2 should be still locked, and t4 should be available as t5
# with correct lock type.
SELECT * FROM t2;
j
INSERT INTO t5 values (1);
UNLOCK TABLES;
#
# 3.3) RENAME TABLE in case when same table locked more than once.
LOCK TABLES t2 READ, t5 WRITE, t5 AS a WRITE, t5 AS b READ;
RENAME TABLE t5 TO t4;
# Check that tables are locked under correct aliases and with modes.
SELECT * FROM t4 AS a, t4 AS b;
i	i
1	1
INSERT INTO t4 VALUES (2);
DELETE a FROM t4 AS a, t4 AS b;
DELETE b FROM t4 AS a, t4 AS b;
ERROR HY000: Table 'b' was locked with a READ lock and can't be updated
UNLOCK TABLES;
#
# 3.4) RENAME TABLES which does old good table swap.
LOCK TABLES t2 WRITE, t4 WRITE;
RENAME TABLES t2 TO t0, t4 TO t2, t0 TO t4;
# Tables are available under new name under LOCK TABLES.
SELECT * FROM t2;
i
SELECT * FROM t4;
j
connection con1;
# Access by new names from other connections should be blocked.
SET @@lock_wait_timeout= 1;
SELECT * FROM t2;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
SELECT * FROM t4;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
SET @@lock_wait_timeout= @old_lock_wait_timeout;
# But not for auxiliary name.
SELECT * FROM t0;
ERROR 42S02: Table 'test.t0' doesn't exist
connection default;
UNLOCK TABLES;
#
# 3.5) RENAME TABLES which renames same table several times.
LOCK TABLE t2 WRITE;
RENAME TABLES t2 TO t1, t1 TO t3, t3 TO t5;
# Table is available under new name under LOCK TABLES.
SELECT * FROM t5;
i
# But not under other names.
SELECT * FROM t1;
ERROR HY000: Table 't1' was not locked with LOCK TABLES
SELECT * FROM t2;
ERROR HY000: Table 't2' was not locked with LOCK TABLES
SELECT * FROM t3;
ERROR HY000: Table 't3' was not locked with LOCK TABLES
connection con1;
# Access by new name from other connections should be blocked.
SET @@lock_wait_timeout= 1;
SELECT * FROM t5;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
SET @@lock_wait_timeout= @old_lock_wait_timeout;
# But not for other names
SELECT * FROM t1;
ERROR 42S02: Table 'test.t1' doesn't exist
SELECT * FROM t2;
ERROR 42S02: Table 'test.t2' doesn't exist
SELECT * FROM t3;
ERROR 42S02: Table 'test.t3' doesn't exist
connection default;
UNLOCK TABLES;
#
# 3.6) RENAME TABLES which renames 2 tables while additional
#      table is locked.
CREATE TABLE t6(k INT);
LOCK TABLES t4 WRITE, t5 WRITE, t6 WRITE;
RENAME TABLES t4 TO t1, t5 TO t2;
# Renamed tables are available under new names.
SELECT * FROM t1;
j
SELECT * FROM t2;
i
# But not under other names.
SELECT * FROM t4;
ERROR HY000: Table 't4' was not locked with LOCK TABLES
SELECT * FROM t5;
ERROR HY000: Table 't5' was not locked with LOCK TABLES
# Untouched table is still available.
SELECT * FROM t6;
k
connection con1;
# Access by new name from other connections should be blocked.
SET @@lock_wait_timeout= 1;
SELECT * FROM t1;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
SELECT * FROM t2;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
# And access to untouched table too.
SELECT * FROM t6;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
SET @@lock_wait_timeout= @old_lock_wait_timeout;
# Old names should not be locked.
SELECT * FROM t4;
ERROR 42S02: Table 'test.t4' doesn't exist
SELECT * FROM t5;
ERROR 42S02: Table 'test.t5' doesn't exist
connection default;
UNLOCK TABLES;
DROP TABLES t1, t2, t6;
#
# 4) Effects of failed RENAME TABLES on set of locked tables and
#    metadata locks held.
#
# 4.1) Atomic RENAME TABLES which fails at late stage should be
#      fully rolled back.
CREATE TABLE t1 (i INT) ENGINE=InnoDB;
CREATE TABLE t2 (j INT) ENGINE=InnoDB;
CREATE TABLE t3 (k INT) ENGINE=InnoDB;
CREATE TABLE t4 (l INT) ENGINE=InnoDB;
LOCK TABLES t1 WRITE, t2 WRITE, t3 WRITE;
RENAME TABLES t1 TO t0, t2 TO t4;
ERROR 42S01: Table 't4' already exists
# Tables are available under old names.
SELECT * FROM t1;
i
SELECT * FROM t2;
j
# Including untouched table.
SELECT * FROM t3;
k
# And not under new names.
SELECT * FROM t0;
ERROR HY000: Table 't0' was not locked with LOCK TABLES
SELECT * FROM t4;
ERROR HY000: Table 't4' was not locked with LOCK TABLES
connection con1;
# Access by old names from other connections should be blocked.
SET @@lock_wait_timeout= 1;
SELECT * FROM t1;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
SELECT * FROM t2;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
# And access to untouched table too.
SELECT * FROM t3;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
SET @@lock_wait_timeout= @old_lock_wait_timeout;
# New names should not be locked.
SELECT * FROM t0;
ERROR 42S02: Table 'test.t0' doesn't exist
SELECT * FROM t4;
l
connection default;
UNLOCK TABLES;
DROP TABLES t1, t2, t3, t4;
#
# 4.3) Non-atomic RENAME TABLES which fails at late stage and
#      is NOT fully reverted.
#
# This part of test resides in rename_debug.test.
#
# 5) RENAME TABLES under LOCK TABLES and views.
#
# 5.1) Requirements on locking is similar to tables.
CREATE TABLE t1 (i INT);
CREATE TABLE t2 (j INT);
CREATE VIEW v1 AS SELECT * FROM t1;
CREATE VIEW v2 AS SELECT * FROM t2;
LOCK TABLES t1 WRITE;
RENAME TABLE v1 TO v2;
ERROR HY000: Table 'v1' was not locked with LOCK TABLES
UNLOCK TABLES;
LOCK TABLES v1 READ;
RENAME TABLE v1 TO v2;
ERROR HY000: Table 'v1' was locked with a READ lock and can't be updated
UNLOCK TABLES;
#
# Coverage for target name resides in rename_debug.test.
#
# 5.2) Effects of RENAME TABLE on a view on the
#      set of locked tables and metadata locks.
LOCK TABLES v1 WRITE;
RENAME TABLE v1 TO v3;
# View is available under new name under LOCK TABLES.
INSERT INTO v3 VALUES (1);
# And not under old name.
SELECT * FROM v1;
ERROR HY000: Table 'v1' was not locked with LOCK TABLES
connection con1;
# Access by new name from other connections should be blocked.
SET @@lock_wait_timeout= 1;
SELECT * FROM v3;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
SET @@lock_wait_timeout= @old_lock_wait_timeout;
# But not for old table name.
SELECT * FROM v1;
ERROR 42S02: Table 'test.v1' doesn't exist
connection default;
UNLOCK TABLES;
#
# A bit more complex RENAME TABLE which swaps two views.
LOCK TABLES v2 WRITE, v3 WRITE;
RENAME TABLE v2 TO v0, v3 TO v2, v0 TO v3;
# Views are available under new name under LOCK TABLES.
SELECT * FROM v2;
i
1
SELECT * FROM v3;
j
connection con1;
# Access by new names from other connections should be blocked.
SET @@lock_wait_timeout= 1;
SELECT * FROM v2;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
SELECT * FROM v3;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
SET @@lock_wait_timeout= @old_lock_wait_timeout;
# But not for auxiliary name.
SELECT * FROM v0;
ERROR 42S02: Table 'test.v0' doesn't exist
connection default;
UNLOCK TABLES;
DROP VIEW v2;
DROP VIEW v3;
DROP TABLES t1, t2;
#
# 6) RENAME TABLES under LOCK TABLES and foreign keys.
#
# 6.1) Renaming of child table updates parent definition.
CREATE TABLE t1 (pk INT PRIMARY KEY);
INSERT INTO t1 VALUES (1);
CREATE TABLE t2 (fk INT, FOREIGN KEY (fk) REFERENCES t1 (pk));
INSERT INTO t2 VALUES (1);
CREATE TABLE t3 (fk INT);
CREATE TABLE t4 (pk INT NOT NULL, UNIQUE(pk));
INSERT INTO t4 VALUES (2);
LOCK TABLES t1 WRITE, t2 WRITE, t3 WRITE, t4 WRITE;
RENAME TABLES t2 TO t0, t3 TO t2, t0 TO t3;
# The above RENAME TABLES should have updated parent definition
# so below DELETE goes to new 't3' (old 't2') when checking if
# rows can be deleted.
DELETE FROM t1;
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t3`, CONSTRAINT `t3_ibfk_1` FOREIGN KEY (`fk`) REFERENCES `t1` (`pk`))
#
# 6.2) Renaming of parent table updates parent definition as well.
RENAME TABLE t1 TO t0, t4 TO t1, t0 TO t4;
# The above RENAME TABLES should have updated child definition
# so below INSERT goes to new 't4' (old 't1') when checking if
# row can be inserted.
INSERT INTO t3 VALUES (2);
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t3`, CONSTRAINT `t3_ibfk_1` FOREIGN KEY (`fk`) REFERENCES `t4` (`pk`))
SHOW CREATE TABLE t3;
Table	Create Table
t3	CREATE TABLE `t3` (
  `fk` int(11) DEFAULT NULL,
  KEY `fk` (`fk`),
  CONSTRAINT `t3_ibfk_1` FOREIGN KEY (`fk`) REFERENCES `t4` (`pk`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
# Parent key name still should be PRIMARY.
SELECT unique_constraint_name FROM information_schema.referential_constraints WHERE table_name = 't3';
UNIQUE_CONSTRAINT_NAME
PRIMARY
UNLOCK TABLES;
#
# 6.3) RENAME TABLES which adds parent to orphan FK updates
#      child definition.
# Make FK on t3 orphan.
SET foreign_key_checks = 0;
DROP TABLES t1, t2, t4;
SET foreign_key_checks = 1;
CREATE TABLE t1 (pk INT NOT NULL, UNIQUE(pk));
INSERT INTO t1 VALUES (1), (2);
LOCK TABLES t1 WRITE, t3 WRITE;
# Add parent for orphan FK.
RENAME TABLE t1 TO t4;
# Child definition should be updated to reflect new parent.
INSERT INTO t3 VALUES (2);
INSERT INTO t3 VALUES (3);
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t3`, CONSTRAINT `t3_ibfk_1` FOREIGN KEY (`fk`) REFERENCES `t4` (`pk`))
# Parent key name should be 'pk'.
SELECT unique_constraint_name FROM information_schema.referential_constraints WHERE table_name = 't3';
UNIQUE_CONSTRAINT_NAME
pk
# Parent definition should be aware of new child as well.
DELETE FROM t4;
ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t3`, CONSTRAINT `t3_ibfk_1` FOREIGN KEY (`fk`) REFERENCES `t4` (`pk`))
UNLOCK TABLES;
DROP TABLE t3, t4;
# Clean-up.
connection con1;
disconnect con1;
connection default;