From de493d92b2dcc8f1d1f39d5729675fef5571aabe Mon Sep 17 00:00:00 2001
From: Magne Mahre <magne.mahre@sun.com>
Date: Wed, 5 May 2010 12:17:07 +0200
Subject: [PATCH] Bug#48800 CREATE TABLE t...SELECT fails if t is a temporary  
         table

If a temporary table A exists, and a (permanent) table
with the same name is attempted created with
"CREATE TABLE ... AS SELECT", the create would fail with
an error.
   1050: Table 'A' already exists

The error occured in MySQL 5.1 releases, but is not
present in MySQL 5.5.   This patch adds a regression
test to ensure that the problem does not reoccur.
---
 mysql-test/r/create.result | 15 +++++++++++++++
 mysql-test/t/create.test   | 22 ++++++++++++++++++++++
 2 files changed, 37 insertions(+)

diff --git a/mysql-test/r/create.result b/mysql-test/r/create.result
index eb1437414e7..49597caa027 100644
--- a/mysql-test/r/create.result
+++ b/mysql-test/r/create.result
@@ -1977,3 +1977,18 @@ CREATE TABLE t1 LIKE t2;
 ERROR 42S01: Table 't1' already exists
 DROP TABLE t2;
 DROP TABLE t1;
+#
+# Bug #48800 CREATE TABLE t...SELECT fails if t is a 
+#            temporary table
+#
+CREATE TEMPORARY TABLE t1 (a INT);
+CREATE TABLE t1 (a INT);
+CREATE TEMPORARY TABLE t2 (a INT);
+CREATE VIEW t2 AS SELECT 1;
+CREATE TABLE t3 (a INT);
+CREATE TEMPORARY TABLE t3 SELECT 1;
+CREATE TEMPORARY TABLE t4 (a INT);
+CREATE TABLE t4 AS SELECT 1;
+DROP TEMPORARY TABLE t1, t2, t3, t4;
+DROP TABLE t1, t3, t4;
+DROP VIEW t2;
diff --git a/mysql-test/t/create.test b/mysql-test/t/create.test
index e0a6fde1381..2e205d47c5d 100644
--- a/mysql-test/t/create.test
+++ b/mysql-test/t/create.test
@@ -1668,3 +1668,25 @@ CREATE TABLE t1 LIKE t2;
 
 DROP TABLE t2;
 DROP TABLE t1;
+
+--echo #
+--echo # Bug #48800 CREATE TABLE t...SELECT fails if t is a 
+--echo #            temporary table
+--echo #
+
+CREATE TEMPORARY TABLE t1 (a INT);
+CREATE TABLE t1 (a INT);
+
+CREATE TEMPORARY TABLE t2 (a INT);
+CREATE VIEW t2 AS SELECT 1;
+
+CREATE TABLE t3 (a INT);
+CREATE TEMPORARY TABLE t3 SELECT 1; 
+
+CREATE TEMPORARY TABLE t4 (a INT);
+CREATE TABLE t4 AS SELECT 1;
+
+DROP TEMPORARY TABLE t1, t2, t3, t4;
+DROP TABLE t1, t3, t4;
+DROP VIEW t2;
+