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MDEV-5535: Cannot reopen temporary table

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Add generic temporary table related tests.
This commit is contained in:
Nirbhay Choubey
2016-06-10 14:54:24 -04:00
parent 78d4276788
commit 547511153f
2 changed files with 382 additions and 1 deletions
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181
mysql-test/r/temp_table.result
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@ -311,3 +311,184 @@ show status like 'com_drop%table';
Variable_name Value
Com_drop_table 2
Com_drop_temporary_table 1
#
# Some more generic temporary table tests
# added during MDEV-5535.
#
DROP DATABASE IF EXISTS temp_db;
CREATE DATABASE temp_db;
USE temp_db;
#
# SHOW TABLES do not list temporary tables.
#
CREATE TEMPORARY TABLE temp_t1(i INT) ENGINE=INNODB;
INSERT INTO temp_t1 VALUES(1);
SELECT * FROM temp_t1;
i
1
SHOW TABLES;
Tables_in_temp_db
DROP TABLE temp_t1;
#
# Create and drop a temporary table.
#
CREATE TEMPORARY TABLE temp_t1(i INT) ENGINE=INNODB;
INSERT INTO temp_t1 VALUES(1);
SELECT * FROM temp_t1;
i
1
DROP TABLE temp_t1;
SELECT * FROM temp_t1;
ERROR 42S02: Table 'temp_db.temp_t1' doesn't exist
#
# Create a temporary table and base table with same name and DROP TABLE.
#
CREATE TABLE t1(c1 VARCHAR(20)) ENGINE=INNODB;
INSERT INTO t1 VALUES("BASE TABLE");
CREATE TEMPORARY TABLE t1(c1 VARCHAR(20)) ENGINE=INNODB;
INSERT INTO t1 VALUES("TEMPORARY TABLE");
SELECT * FROM t1;
c1
TEMPORARY TABLE
DROP TABLE t1;
SELECT * FROM t1;
c1
BASE TABLE
DROP TABLE t1;
SELECT * FROM t1;
ERROR 42S02: Table 'temp_db.t1' doesn't exist
#
# Create a temporary table and base table with same name and DROP TEMPORARY
# TABLE.
#
CREATE TABLE t1(c1 VARCHAR(20)) ENGINE=INNODB;
INSERT INTO t1 VALUES("BASE TABLE");
CREATE TEMPORARY TABLE t1(c1 VARCHAR(20)) ENGINE=INNODB;
INSERT INTO t1 VALUES("TEMPORARY TABLE");
SELECT * FROM t1;
c1
TEMPORARY TABLE
DROP TEMPORARY TABLE t1;
SELECT * FROM t1;
c1
BASE TABLE
DROP TEMPORARY TABLE t1;
ERROR 42S02: Unknown table 'temp_db.t1'
SELECT * FROM t1;
c1
BASE TABLE
DROP TABLE t1;
#
# Create a temporary table and drop its parent database.
#
USE temp_db;
CREATE TEMPORARY TABLE temp_t1(i INT) ENGINE=INNODB;
INSERT INTO temp_t1 VALUES (1);
DROP DATABASE temp_db;
CREATE DATABASE temp_db;
USE temp_db;
DROP TEMPORARY TABLE temp_t1;
#
# Similar to above, but this time with a base table with same name.
#
USE temp_db;
CREATE TABLE t1(i INT)ENGINE=INNODB;
CREATE TEMPORARY TABLE t1(i INT) ENGINE=INNODB;
INSERT INTO t1 VALUES (1);
DROP DATABASE temp_db;
CREATE DATABASE temp_db;
USE temp_db;
DROP TEMPORARY TABLE t1;
DROP TABLE t1;
ERROR 42S02: Unknown table 'temp_db.t1'
#
# Create a temporary table within a function.
#
USE temp_db;
CREATE FUNCTION f1() RETURNS INT
BEGIN
DROP TEMPORARY TABLE IF EXISTS temp_t1;
CREATE TEMPORARY TABLE temp_t1(i INT) ENGINE=INNODB;
INSERT INTO `temp_t1` VALUES(1);
RETURN (SELECT COUNT(*) FROM temp_t1);
END|
SELECT f1();
f1()
1
SELECT * FROM temp_t1;
i
1
DROP TABLE temp_t1;
CREATE TEMPORARY TABLE `temp_t1`(i INT) ENGINE=INNODB;
SELECT f1();
f1()
1
SELECT * FROM temp_t1;
i
1
DROP FUNCTION f1;
#
# Create and drop a temporary table within a function.
#
CREATE FUNCTION f2() RETURNS INT
BEGIN
DROP TEMPORARY TABLE IF EXISTS temp_t1;
CREATE TEMPORARY TABLE temp_t1(i INT) ENGINE=INNODB;
INSERT INTO temp_t1 VALUES(1);
DROP TABLE temp_t1;
RETURN 0;
END|
ERROR HY000: Explicit or implicit commit is not allowed in stored function or trigger.
CREATE FUNCTION f2() RETURNS INT
BEGIN
DROP TEMPORARY TABLE IF EXISTS temp_t1;
CREATE TEMPORARY TABLE temp_t1(i INT) ENGINE=INNODB;
INSERT INTO temp_t1 VALUES(1);
DROP TEMPORARY TABLE temp_t1;
RETURN 0;
END|
SELECT f2();
f2()
0
DROP FUNCTION f2;
#
# Create a temporary table within a function and select it from another
# function.
#
CREATE FUNCTION f2() RETURNS INT
BEGIN
DROP TEMPORARY TABLE IF EXISTS temp_t1;
CREATE TEMPORARY TABLE temp_t1 (i INT) ENGINE=INNODB;
INSERT INTO temp_t1 VALUES (1);
RETURN f2_1();
END|
CREATE FUNCTION f2_1() RETURNS INT
RETURN (SELECT COUNT(*) FROM temp_t1)|
SELECT f2();
f2()
1
DROP TEMPORARY TABLE temp_t1;
DROP FUNCTION f2;
#
# Create temporary table like base table.
#
CREATE TABLE t1(i INT) ENGINE=INNODB;
INSERT INTO t1 VALUES(1);
CREATE TEMPORARY TABLE temp_t1 LIKE t1;
SELECT * FROM temp_t1;
i
CREATE TEMPORARY TABLE t1 LIKE t1;
ERROR 42000: Not unique table/alias: 't1'
DROP TABLE temp_t1, t1;
#
# Create temporary table as base table.
#
CREATE TABLE t1(i INT) ENGINE=INNODB;
INSERT INTO t1 VALUES(1);
CREATE TEMPORARY TABLE temp_t1 AS SELECT * FROM t1;
SELECT * FROM temp_t1;
i
1
DROP TABLE temp_t1, t1;
# Cleanup
DROP DATABASE temp_db;