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Bug#49193 CREATE TABLE reacts differently depending on whether

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data is selected or not

Temporary and permanent tables should live in different 
namespaces.  In this case, resolving a permanent table
name gave the temporary table, resulting in a name
collision.
This commit is contained in:
Magne Mahre
2010-05-05 23:28:58 +02:00
parent de493d92b2
commit b47e4fbf83
2 changed files with 82 additions and 0 deletions
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41
mysql-test/t/create.test
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@ -1690,3 +1690,44 @@ DROP TEMPORARY TABLE t1, t2, t3, t4;
DROP TABLE t1, t3, t4;
DROP VIEW t2;
--echo #
--echo # Bug #49193 CREATE TABLE reacts differently depending
--echo # on whether data is selected or not
--echo #
CREATE TEMPORARY TABLE t2 (ID INT);
INSERT INTO t2 VALUES (1),(2),(3);
# Case 1 -- did not fail
CREATE TEMPORARY TABLE t1 (ID INT);
CREATE TABLE IF NOT EXISTS t1 (ID INT);
INSERT INTO t1 SELECT * FROM t2;
SELECT * FROM t1;
DROP TEMPORARY TABLE t1;
SELECT * FROM t1;
DROP TABLE t1;
# Case 2 -- The DROP TABLE t1 failed with
# Table 'test.t1' doesn't exist in the SELECT *
# as the (permanent) table was not created
CREATE TEMPORARY TABLE t1 (ID INT);
CREATE TABLE IF NOT EXISTS t1 SELECT * FROM t2;
SELECT * FROM t1;
DROP TEMPORARY TABLE t1;
SELECT * FROM t1;
DROP TABLE t1;
# Case 3 -- The CREATE TABLE failed with
# Table 't1' already exists
CREATE TEMPORARY TABLE t1 (ID INT);
CREATE TABLE t1 SELECT * FROM t2;
SELECT * FROM t1;
DROP TEMPORARY TABLE t1;
SELECT * FROM t1;
DROP TABLE t1;
DROP TEMPORARY TABLE t2;