#
# MDEV-12459: The information_schema tables for getting temporary tables
#             info is missing, at least for innodb, there is no
#             INNODB_TEMP_TABLE_INFO
#
# -------------------------------
# Test shadowing of a base table
# -------------------------------
create database some_db;
use some_db;
# Creating temporary table with the same name shadows the base table
# in `show create` and by design, should not raise any warning
create table t(t int);
create temporary table t(t int);
show create table t;
Table	Create Table
t	CREATE TEMPORARY TABLE `t` (
  `t` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
select table_schema, table_name, temporary from information_schema.tables where table_name='t';
table_schema	table_name	temporary
some_db	t	Y
some_db	t	N
drop table t;
drop table t;
use test;
# ------------------------
# IS.tables tests
# ------------------------
# Create first temporary table
create temporary table test.t_temp(t int);
insert into t_temp values (1),(2), (3);
# Show results
select table_schema, table_name, temporary from  information_schema.tables where table_type='temporary';
table_schema	table_name	temporary
test	t_temp	Y
# Create the base table with the same name (both should be visible)
create table test.t_temp(t int);
insert into t_temp values (-1),(-2);
# Show results
select table_schema, table_name, temporary from  information_schema.tables where table_type='temporary';
table_schema	table_name	temporary
test	t_temp	Y
create database my_db;
# Create the temporary table with the same name in new DB
create temporary table my_db.t_temp (t int);
insert into my_db.t_temp values (-2),(-1);
# Show results
select table_schema, table_name, temporary from  information_schema.tables where table_type='temporary'
  order by table_schema desc, table_name desc, table_type desc;
table_schema	table_name	temporary
test	t_temp	Y
my_db	t_temp	Y
connect  con1,localhost,root,,my_db,,;
# Create the temporary table with the same name in new connection
create temporary table t_temp(t int);
insert into t_temp values (4),(5),(6), (7);
# Show results
select table_schema, table_name, temporary from  information_schema.tables where table_type='temporary'
   order by table_schema desc, table_name desc, table_type desc;
table_schema	table_name	temporary
my_db	t_temp	Y
connection default;
# Show results in default connection
select table_schema, table_name, temporary from  information_schema.tables where table_type='temporary'
  order by table_schema desc, table_name desc, table_type desc;
table_schema	table_name	temporary
test	t_temp	Y
my_db	t_temp	Y
# Check shadowing and (no)warning with explicit referencing database
create table some_db.my_t (t int);
show warnings;
Level	Code	Message
create temporary table some_db.my_t (t int);
show warnings;
Level	Code	Message
# Show results
select table_schema, table_name, temporary from  information_schema.tables where table_type='temporary'
  order by table_schema desc, table_name desc, table_type desc;
table_schema	table_name	temporary
test	t_temp	Y
some_db	my_t	Y
my_db	t_temp	Y
use test;
create table t1 (a int);
create sequence s1;
create temporary table t1 (b int);
create temporary sequence s1;
create temporary sequence s2;
select table_schema, table_name, table_type, temporary from information_schema.tables where table_schema = 'test'
  order by table_schema desc, table_name desc, table_type desc;
table_schema	table_name	table_type	temporary
test	t_temp	TEMPORARY	Y
test	t_temp	BASE TABLE	N
test	t1	TEMPORARY	Y
test	t1	BASE TABLE	N
test	s2	TEMPORARY SEQUENCE	Y
test	s1	TEMPORARY SEQUENCE	Y
test	s1	SEQUENCE	N
drop table t1;
drop table t1;
drop table s1;
drop table s1;
drop table s2;
drop table some_db.my_t;
drop table some_db.my_t;
disconnect con1;
drop table test.t_temp;
drop table test.t_temp;
drop database my_db;
drop database some_db;
#
# MDEV-28332: Alter on temporary table causes ER_TABLE_EXISTS_ERROR note
#
create table t (a int);
create temporary table t (b int);
alter table t add c int;
drop temporary table t;
drop table t;
#
# MDEV-28334: SHOW TABLE STATUS shows all temporary tables
#             ignoring database and conditions
#
create temporary table test.tmp_in_test (a int);
create table test.base_in_test (t int);
create table test.tmp_in_test (t int);
create temporary table test.tmp_innodb_in_test (a int) engine=InnoDB;
create database mysqltest;
use mysqltest;
show table status;
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment	Max_index_length	Temporary
show table status in mysqltest;
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment	Max_index_length	Temporary
show table status in test;
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment	Max_index_length	Temporary
tmp_innodb_in_test	InnoDB	10	Dynamic	0	0	16384	0	0	6291456	NULL	#	#	#	utf8mb4_uca1400_ai_ci	NULL			0	Y
tmp_in_test	MyISAM	10	Fixed	0	0	0	1970324836974591	1024	0	NULL	#	#	#	utf8mb4_uca1400_ai_ci	NULL			17179868160	Y
base_in_test	MyISAM	10	Fixed	0	0	0	1970324836974591	1024	0	NULL	#	#	#	utf8mb4_uca1400_ai_ci	NULL			17179868160	N
tmp_in_test	MyISAM	10	Fixed	0	0	0	1970324836974591	1024	0	NULL	#	#	#	utf8mb4_uca1400_ai_ci	NULL			17179868160	N
show table status from test;
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment	Max_index_length	Temporary
tmp_innodb_in_test	InnoDB	10	Dynamic	0	0	16384	0	0	6291456	NULL	#	#	#	utf8mb4_uca1400_ai_ci	NULL			0	Y
tmp_in_test	MyISAM	10	Fixed	0	0	0	1970324836974591	1024	0	NULL	#	#	#	utf8mb4_uca1400_ai_ci	NULL			17179868160	Y
base_in_test	MyISAM	10	Fixed	0	0	0	1970324836974591	1024	0	NULL	#	#	#	utf8mb4_uca1400_ai_ci	NULL			17179868160	N
tmp_in_test	MyISAM	10	Fixed	0	0	0	1970324836974591	1024	0	NULL	#	#	#	utf8mb4_uca1400_ai_ci	NULL			17179868160	N
# check that InnoDB temporary table
# has a NULL value for `Create time` column (MDEV-28333)
select create_time from information_schema.tables where table_name='tmp_innodb_in_test';
create_time
NULL
show table status like 'nonexisting';
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment	Max_index_length	Temporary
drop database mysqltest;
drop table test.base_in_test;
drop table test.tmp_in_test;
drop table test.tmp_in_test;
#
# MDEV-28453: SHOW commands are inconsistent for temporary tables
#
create database mysqltest;
use mysqltest;
create table t (a int, key(a)) engine=Aria;
create temporary table t (b int, key(b)) engine=MyISAM;
create table base_table(t int);
create temporary table tmp_table (b int, key(b));
create sequence s1;
create temporary sequence s1;
create temporary sequence s2;
show tables;
Tables_in_mysqltest
s2
s1
tmp_table
t
base_table
s1
t
show full tables;
Tables_in_mysqltest	Table_type
s2	TEMPORARY SEQUENCE
s1	TEMPORARY SEQUENCE
tmp_table	TEMPORARY TABLE
t	TEMPORARY TABLE
base_table	BASE TABLE
s1	SEQUENCE
t	BASE TABLE
show table status;
Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment	Max_index_length	Temporary
s2	MyISAM	10	Fixed	1	58	58	16325548649218047	1024	0	NULL	#	#	#	utf8mb4_uca1400_ai_ci	NULL			17179868160	Y
s1	MyISAM	10	Fixed	1	58	58	16325548649218047	1024	0	NULL	#	#	#	utf8mb4_uca1400_ai_ci	NULL			17179868160	Y
tmp_table	MyISAM	10	Fixed	0	0	0	1970324836974591	1024	0	NULL	#	#	#	utf8mb4_uca1400_ai_ci	NULL			288230376151710720	Y
t	MyISAM	10	Fixed	0	0	0	1970324836974591	1024	0	NULL	#	#	#	utf8mb4_uca1400_ai_ci	NULL			288230376151710720	Y
base_table	MyISAM	10	Fixed	0	0	0	1970324836974591	1024	0	NULL	#	#	#	utf8mb4_uca1400_ai_ci	NULL			17179868160	N
s1	MyISAM	10	Fixed	1	58	58	16325548649218047	1024	0	NULL	#	#	#	utf8mb4_uca1400_ai_ci	NULL			17179868160	N
t	Aria	10	Page	0	0	8192	17592186011648	8192	0	NULL	#	#	#	utf8mb4_uca1400_ai_ci	NULL	transactional=1		9007199254732800	N
show columns in t;
Field	Type	Null	Key	Default	Extra
b	int(11)	YES	MUL	NULL	
show index in t;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment	Ignored
t	1	b	1	b	A	NULL	NULL	NULL	YES	BTREE			NO
drop database mysqltest;
use test;
show full tables;
Tables_in_test	Table_type
tmp_innodb_in_test	TEMPORARY TABLE
select * from tmp_innodb_in_test, tmp_innodb_in_test x;
a	a
show full tables;
Tables_in_test	Table_type
tmp_innodb_in_test	TEMPORARY TABLE
drop temporary tables tmp_innodb_in_test;
create temporary table foo.t1 (a int);
select table_schema, table_name from information_schema.tables where table_type='temporary';
table_schema	table_name
foo	t1
mysqltest	tmp_table
mysqltest	t
my_db	t_temp
drop temporary table foo.t1;
#
# MDEV-28351 Assertion `this->file->children_attached' failed in ha_myisammrg::info
#
CREATE TABLE t1 (a INT) ENGINE=MyISAM;
insert into t1 values (1);
CREATE TEMPORARY TABLE t2 (a INT) ENGINE=MERGE UNION=(t1);
CREATE TABLE t3 (a INT) ENGINE=MERGE UNION=(t1);
SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'test';
TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	TABLE_TYPE	ENGINE	VERSION	ROW_FORMAT	TABLE_ROWS	AVG_ROW_LENGTH	DATA_LENGTH	MAX_DATA_LENGTH	INDEX_LENGTH	DATA_FREE	AUTO_INCREMENT	CREATE_TIME	UPDATE_TIME	CHECK_TIME	TABLE_COLLATION	CHECKSUM	CREATE_OPTIONS	TABLE_COMMENT	MAX_INDEX_LENGTH	TEMPORARY
def	test	t1	BASE TABLE	MyISAM	10	Fixed	1	7	X	X	X	X	NULL	X	X	NULL	utf8mb4_uca1400_ai_ci	NULL			X	N
def	test	t2	TEMPORARY	MRG_MyISAM	10	Fixed	0	0	X	X	X	X	NULL	X	X	NULL	utf8mb4_uca1400_ai_ci	NULL			X	Y
def	test	t3	BASE TABLE	MRG_MyISAM	10	Fixed	1	5	X	X	X	X	NULL	X	X	NULL	utf8mb4_uca1400_ai_ci	NULL			X	N
DROP TABLE t1,t2,t3;
#
# MDEV-31618: Server crashes in
#             process_i_s_table_temporary_tables/get_all_tables
#
CREATE TEMPORARY SEQUENCE seq1;
SHOW FULL TABLES;
Tables_in_test	Table_type
seq1	TEMPORARY SEQUENCE
SELECT table_schema, table_name FROM  INFORMATION_SCHEMA.TABLES WHERE table_type='temporary sequence';
table_schema	table_name
test	seq1
mysqltest	s2
mysqltest	s1
ALTER TABLE `seq1` CHANGE `cache_size` cache_size int;
ERROR HY000: Sequence 'test.seq1' table structure is invalid (cache_size)
SHOW FULL TABLES;
Tables_in_test	Table_type
seq1	TEMPORARY SEQUENCE
SELECT table_schema, table_name FROM  INFORMATION_SCHEMA.TABLES WHERE table_type='temporary sequence';
table_schema	table_name
test	seq1
mysqltest	s2
mysqltest	s1
CREATE OR REPLACE TEMPORARY SEQUENCE seq1;
SHOW FULL TABLES;
Tables_in_test	Table_type
seq1	TEMPORARY SEQUENCE
SELECT table_schema, table_name FROM  INFORMATION_SCHEMA.TABLES WHERE table_type='temporary sequence';
table_schema	table_name
test	seq1
mysqltest	s2
mysqltest	s1
DROP TABLE seq1;
DROP TABLE mysqltest.s1;
DROP TABLE mysqltest.s2;
#
# MDEV-31618: Server crashes in
#             process_i_s_table_temporary_tables/get_all_tables after alter in rename
#
CREATE  table seq1 (a bigint, b int);
CREATE  TEMPORARY TABLE tmp LIKE seq1;
INSERT  tmp SELECT * FROM seq1;
ALTER  TABLE tmp RENAME TO seq1;
ALTER TABLE seq1 CHANGE a b int ;
Got one of the listed errors
RENAME  TABLE seq1 TO seq1;
ERROR 42S01: Table 'seq1' already exists
show  full tables;
Tables_in_test	Table_type
seq1	TEMPORARY TABLE
seq1	BASE TABLE
drop table seq1;
drop table seq1;
CREATE  SEQUENCE seq2;
CREATE  TEMPORARY sequence tmp;
show  full tables;
Tables_in_test	Table_type
tmp	TEMPORARY SEQUENCE
seq2	SEQUENCE
ALTER  table `tmp` RENAME TO seq1;
show  full tables;
Tables_in_test	Table_type
seq1	TEMPORARY SEQUENCE
seq2	SEQUENCE
ALTER TABLE `seq1` CHANGE `cache_size` cache_size int ;
ERROR HY000: Sequence 'test.seq1' table structure is invalid (cache_size)
show  full tables;
Tables_in_test	Table_type
seq1	TEMPORARY SEQUENCE
seq2	SEQUENCE
RENAME  TABLE seq1 TO seq1;
ERROR 42S01: Table 'seq1' already exists
show  full tables;
Tables_in_test	Table_type
seq1	TEMPORARY SEQUENCE
seq2	SEQUENCE
RENAME  TABLE seq1 TO seq3;
show  full tables;
Tables_in_test	Table_type
seq3	TEMPORARY SEQUENCE
seq2	SEQUENCE
drop table seq2;
show  full tables;
Tables_in_test	Table_type
seq3	TEMPORARY SEQUENCE
drop table seq3;
show  full tables;
Tables_in_test	Table_type