#
# Test of rename table
#

--source include/count_sessions.inc

--disable_warnings
drop table if exists t0,t1,t2,t3,t4;
# Clear up from other tests (to ensure that SHOW TABLES below is right)
drop table if exists t0,t5,t6,t7,t8,t9,t1_1,t1_2,t9_1,t9_2;
--enable_warnings

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;
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;

# The following should give errors
--error ER_TABLE_EXISTS_ERROR
rename table t1 to t2;
--error ER_TABLE_EXISTS_ERROR
rename table t1 to t1;
--error ER_TABLE_EXISTS_ERROR
rename table t3 to t4, t2 to t3, t1 to t2, t4 to t2;
show tables like "t_";
--error ER_TABLE_EXISTS_ERROR
rename table t3 to t1, t2 to t3, t1 to t2, t4 to t1;
--error ER_NO_SUCH_TABLE
rename table t3 to t4, t5 to t3, t1 to t2, t4 to t1;

select * from t1;
select * from t2;
select * from t3;

# This should give a warning for t4
drop table if exists t1,t2,t3,t4;

#
# Bug #2397 RENAME TABLES is not blocked by
# FLUSH TABLES WITH READ LOCK
#

connect (con1,localhost,root,,);
connect (con2,localhost,root,,);

connection con1;
CREATE TABLE t1 (a int);
CREATE TABLE t3 (a int);
connection con2;
FLUSH TABLES WITH READ LOCK;
connection con1;
send RENAME TABLE t1 TO t2, t3 to t4;
connection con2;
show tables;
UNLOCK TABLES;
connection con1;
reap;
connection con2;

# Wait for the the tables to be renamed
# i.e the query below succeds
let $query= select * from t2, t4;
source include/wait_for_query_to_succeed.inc;

show tables;

drop table t2, t4;

disconnect con2;
disconnect con1;
connection default;


--echo End of 4.1 tests


--echo #
--echo # Bug#14959: "ALTER TABLE isn't able to rename a view"
--echo # Bug#53976: "ALTER TABLE RENAME is allowed on views
--echo #             (not documented, broken)"
--echo #
create table t1(f1 int);
create view v1 as select * from t1;
--error ER_WRONG_OBJECT
alter table v1 rename to v2;
drop view v1;
drop table t1;

--echo End of 5.0 tests

--source include/wait_until_count_sessions.inc

#
# Test of rename with temporary tables
#

CREATE OR REPLACE TABLE t1 (a INT);
CREATE OR REPLACE TABLE t2 (a INT);
CREATE OR REPLACE TEMPORARY TABLE t1_tmp (b INT);
CREATE OR REPLACE TEMPORARY TABLE t2_tmp (b INT);

# Can't rename table over another one
--error ER_TABLE_EXISTS_ERROR
rename table t1 to t2;
--error ER_TABLE_EXISTS_ERROR
rename table t1 to tmp, tmp to t2;
--error ER_TABLE_EXISTS_ERROR
rename table t1_tmp to t2_tmp;
--error ER_TABLE_EXISTS_ERROR
rename table t1_tmp to tmp, tmp to t2_tmp;

show create table t1_tmp;
show create table t2_tmp;

# The following should work
rename table t1 to t1_tmp;
rename table t2_tmp to t2;
rename table t2 to tmp, tmp to t2;
rename table t1_tmp to tmp, tmp to t1_tmp;
show tables;
SHOW CREATE TABLE t1_tmp;
drop table t1_tmp;
SHOW CREATE TABLE t1_tmp;
drop table t1_tmp;
SHOW CREATE TABLE t2;
drop table t2;
SHOW CREATE TABLE t2;
drop table t2;

CREATE TABLE t1 (a INT);
insert into t1 values (1);
CREATE TEMPORARY TABLE t1 (b INT);
insert into t1 values (2);
RENAME TABLE t1 TO tmp, t1 TO t2;
select * from tmp;
select * from t2;
drop table tmp,t2;

#
# MDEV-11741 handler::ha_reset(): Assertion `bitmap_is_set_all(&table->s->all_set)' failed or server crash in mi_reset or buffer overrun or unexpected ER_CANT_REMOVE_ALL_FIELDS
#
create table t1 (a int) engine=memory;
--error ER_BAD_DB_ERROR
rename table t1 to non_existent.t2;
drop table t1;

--echo #
--echo # Test rename IF EXISTS
--echo #
rename table if exists t1 to t2;
alter table if exists t1 rename to t2;
create table t2 (a int);
alter table if exists t1 rename to t2;
rename table if exists t1 to t2;
create table t1 (a int);
--error ER_TABLE_EXISTS_ERROR
rename table if exists t1 to t2;
--error ER_TABLE_EXISTS_ERROR
alter table if exists t1 rename to t2;
drop table t2;
rename table if exists t1 to t2;
alter table if exists t2 rename to t1;
drop table t1;

--echo #
--echo # MDEV-27027 Atomic DDL: Assertion `!param->got_error' failed upon
--echo #             unsuccessful multi-RENAME TABLE
--echo #
CREATE TABLE t1 (a INT);
CREATE TRIGGER tr1 AFTER INSERT ON t1 FOR EACH ROW
  INSERT INTO db.t SELECT SLEEP(0.05);

--echo # Missing table in RENAME TABLE (should error)
--error ER_NO_SUCH_TABLE
RENAME TABLE t1 TO t2,
             missing1 TO m1; # this will error: missing table

--replace_column 7 #
SHOW CREATE TRIGGER tr1;

CREATE TABLE t2 (a INT);

--echo # Attempt to rename to existing table (should error)
--error ER_TABLE_EXISTS_ERROR
RENAME TABLE t2 TO t3,
             t1 TO t3; # this will error: table exists

--replace_column 7 #
SHOW CREATE TRIGGER tr1;

--echo # Test multiple warnings captured during renaming
RENAME TABLE IF EXISTS
  missing1 TO m1,
  missing2 TO m2,
  t2 TO t3,  # this rename succeeds
  missing3 TO m3;

--error ER_TABLE_EXISTS_ERROR
RENAME TABLE IF EXISTS
  missing1 TO m1,
  t1 TO t3,  # this will error: table exists
  missing2 TO m2;

DROP TABLE t1, t3;