Auto-merge from mysql-trunk-merge.

mysql-test/r/create.result

@@ -820,16 +820,13 @@ i
 drop table t1;
 create temporary table t1 (j int);
 create table if not exists t1 select 1;
-Warnings:
-Note	1050	Table 't1' already exists
 select * from t1;
 j
-1
 drop temporary table t1;
 select * from t1;
-ERROR 42S02: Table 'test.t1' doesn't exist
+1
+1
 drop table t1;
-ERROR 42S02: Unknown table 't1'
 create table t1 (i int);
 insert into t1 values (1), (2);
 lock tables t1 read;

mysql-test/r/ps_ddl.result

@@ -1695,23 +1695,23 @@ SUCCESS
 drop table t2;
 create temporary table t2 (a int);
 execute stmt;
-ERROR 42S01: Table 't2' already exists
 call p_verify_reprepare_count(1);
 SUCCESS
 
 execute stmt;
 ERROR 42S01: Table 't2' already exists
-call p_verify_reprepare_count(0);
+call p_verify_reprepare_count(1);
 SUCCESS
 
 drop temporary table t2;
 execute stmt;
-call p_verify_reprepare_count(1);
+ERROR 42S01: Table 't2' already exists
+call p_verify_reprepare_count(0);
 SUCCESS
 
 drop table t2;
 execute stmt;
-call p_verify_reprepare_count(0);
+call p_verify_reprepare_count(1);
 SUCCESS
 
 drop table t2;

mysql-test/suite/rpl/r/rpl_create_if_not_exists.result

@@ -31,3 +31,37 @@ SHOW EVENTS in mysqltest;
 Db	Name	Definer	Time zone	Type	Execute at	Interval value	Interval field	Starts	Ends	Status	Originator	character_set_client	collation_connection	Database Collation
 mysqltest	e	root@localhost	SYSTEM	ONE TIME	#	NULL	NULL	NULL	NULL	SLAVESIDE_DISABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
 DROP DATABASE IF EXISTS mysqltest;
+-------------BUG#47418-------------
+USE test;
+DROP TABLE IF EXISTS t3;
+CREATE TABLE t3(c1 INTEGER);
+INSERT INTO t3 VALUES(33);
+CREATE TEMPORARY TABLE t1(c1 INTEGER);
+CREATE TEMPORARY TABLE t2(c1 INTEGER);
+INSERT INTO t1 VALUES(1);
+INSERT INTO t2 VALUES(1);
+CREATE TABLE IF NOT EXISTS t1(c1 INTEGER) SELECT c1 FROM t3;
+CREATE TABLE t2(c1 INTEGER) SELECT c1 FROM t3;
+SELECT * FROM t1;
+c1
+1
+SELECT * FROM t2;
+c1
+1
+SELECT * FROM t1;
+c1
+33
+SELECT * FROM t2;
+c1
+33
+DROP TEMPORARY TABLE t1;
+DROP TEMPORARY TABLE t2;
+SELECT * FROM t1;
+c1
+33
+SELECT * FROM t2;
+c1
+33
+DROP TABLE t1;
+DROP TABLE t2;
+DROP TABLE t3;

mysql-test/suite/rpl/t/rpl_create_if_not_exists.test

@@ -67,4 +67,57 @@ SHOW EVENTS in mysqltest;
 
 connection master;
 DROP DATABASE IF EXISTS mysqltest;
+
+#
+# BUG#47418 RBR fails, failure with mixup of base/temporary/view TABLE DDL
+# 
+# Before the patch for this bug, 'CREATE TABLE IF NOT EXIST ... SELECT'
+# statement was binlogged as a TEMPORARY table if the object existed as
+# a temporary table.  This was caused by that the temporary table was opened
+# and the results of the 'SELECT' was inserted into the temporary table if
+# a temporary table existed with the same name.
+# 
+# After the patch for this bug, the base table is created and the results of
+# the 'SELECT' are inserted into it, even though a temporary table exists with
+# the same name, and the statement is still binlogged as a base table.
+#
+
+echo -------------BUG#47418-------------;
+connection master;
+USE test;
+DROP TABLE IF EXISTS t3;
+--enable_warnings
+CREATE TABLE t3(c1 INTEGER);
+INSERT INTO t3 VALUES(33);
+
+CREATE TEMPORARY TABLE t1(c1 INTEGER);
+CREATE TEMPORARY TABLE t2(c1 INTEGER);
+INSERT INTO t1 VALUES(1);
+INSERT INTO t2 VALUES(1);
+
+CREATE TABLE IF NOT EXISTS t1(c1 INTEGER) SELECT c1 FROM t3;
+CREATE TABLE t2(c1 INTEGER) SELECT c1 FROM t3;
+
+# In these two statements, t1 and t2 are the temporary table. there is only
+# value '1' in them.  The records of t2 are not inserted into them.  
+SELECT * FROM t1; 
+SELECT * FROM t2; 
+sync_slave_with_master; 
+
+# In these two statements, t1 and t2 are the base table. The recoreds of t2
+# are inserted into it when CREATE TABLE ...  SELECT was executed.  
+SELECT * FROM t1;
+SELECT * FROM t2;
+
+connection master; 
+DROP TEMPORARY TABLE t1; 
+DROP TEMPORARY TABLE t2; 
+#In these two statements, t1 and t2 are the base table.
+SELECT * FROM t1;
+SELECT * FROM t2;
+
+DROP TABLE t1;
+DROP TABLE t2;
+DROP TABLE t3;
+
 source include/master-slave-end.inc;

mysql-test/t/create.test

@@ -721,16 +721,15 @@ drop table t1;
 # Base vs temporary tables dillema (a.k.a. bug#24508 "Inconsistent
 # results of CREATE TABLE ... SELECT when temporary table exists").
 # In this situation we either have to create non-temporary table and
-# insert data in it or insert data in temporary table without creation
-# of permanent table. Since currently temporary tables always shadow
-# permanent tables we adopt second approach.
+# insert data in it or insert data in temporary table without creation of
+# permanent table. After patch for Bug#47418, we create the base table and
+# instert data into it, even though a temporary table exists with the same
+# name.
 create temporary table t1 (j int);
 create table if not exists t1 select 1;
 select * from t1;
 drop temporary table t1;
---error ER_NO_SUCH_TABLE
 select * from t1;
---error ER_BAD_TABLE_ERROR
 drop table t1;
 
 

mysql-test/t/ps_ddl.test

@@ -1445,18 +1445,19 @@ call p_verify_reprepare_count(0);
 drop table t2;
 # Temporary table with name of table to be created exists
 create temporary table t2 (a int);
+# Temporary table and base table are not in the same name space.
+execute stmt;
+call p_verify_reprepare_count(1);
 --error ER_TABLE_EXISTS_ERROR
 execute stmt;
 call p_verify_reprepare_count(1);
+drop temporary table t2;
 --error ER_TABLE_EXISTS_ERROR
 execute stmt;
 call p_verify_reprepare_count(0);
-drop temporary table t2;
-execute stmt;
-call p_verify_reprepare_count(1);
 drop table t2;
 execute stmt;
-call p_verify_reprepare_count(0);
+call p_verify_reprepare_count(1);
 drop table t2;
 # View with name of table to be created exists
 # Attention:

sql/sql_parse.cc

@@ -2496,6 +2496,8 @@ case SQLCOM_PREPARE:
       {
         lex->link_first_table_back(create_table, link_to_local);
         create_table->create= TRUE;
+        /* Base table and temporary table are not in the same name space. */
+        create_table->skip_temporary= 1;
       }
 
       if (!(res= open_and_lock_tables(thd, lex->query_tables)))

sql/sql_prepare.cc

@@ -1675,6 +1675,8 @@ static bool mysql_test_create_table(Prepared_statement *stmt)
     {
       lex->link_first_table_back(create_table, link_to_local);
       create_table->create= TRUE;
+      /* Base table and temporary table are not in the same name space. */
+      create_table->skip_temporary= true;
     }
 
     if (open_normal_and_derived_tables(stmt->thd, lex->query_tables, 0))