MySQL Lists: commits: bzr push into mysql-trunk branch (ole.john.aske:3498 to 3499)

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From:	Ole John Aske	Date:	January 13 2011 10:49am
Subject:	bzr push into mysql-trunk branch (ole.john.aske:3498 to 3499)
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 3499 Ole John Aske	2011-01-13 [merge]
      Merge from 5.5 -> trunk

    modified:
      mysql-test/include/select.inc
      mysql-test/r/select_all.result
      mysql-test/r/select_icp_mrr.result
      mysql-test/r/select_none.result
      mysql-test/r/subquery_sj_none.result
      sql/sql_select.cc
 3498 Nirbhay Choubey	2011-01-13 [merge]
      Merging from mysql-5.5.

    modified:
      client/mysqlslap.c
=== modified file 'mysql-test/include/select.inc'
--- a/mysql-test/include/select.inc	2010-12-17 09:41:21 +0000
+++ b/mysql-test/include/select.inc	2011-01-13 10:48:28 +0000
@@ -4137,6 +4137,76 @@ SELECT 1 FROM t1 ORDER BY a COLLATE lati
 DROP TABLE t1;
 
 
+
+--echo #
+--echo # Bug #58422: Incorrect result when OUTER JOIN'ing 
+--echo # with an empty table
+--echo #
+
+CREATE TABLE t_empty(pk INT PRIMARY KEY, i INT) ENGINE = MYISAM;
+CREATE TABLE t1(pk INT PRIMARY KEY, i INT) ENGINE = MYISAM;
+INSERT INTO t1 VALUES (1,1), (2,2), (3,3);
+CREATE TABLE t2(pk INT PRIMARY KEY, i INT) ENGINE = MYISAM;
+INSERT INTO t2 VALUES (1,1), (2,2), (3,3);
+
+EXPLAIN
+SELECT *
+  FROM 
+    t1
+  LEFT OUTER JOIN
+    (t2 INNER JOIN t_empty ON TRUE)
+  ON t1.pk=t2.pk
+  WHERE t2.pk <> 2;
+
+SELECT *
+  FROM 
+    t1
+  LEFT OUTER JOIN
+    (t2 INNER JOIN t_empty ON TRUE)
+  ON t1.pk=t2.pk
+  WHERE t2.pk <> 2;
+
+
+EXPLAIN
+SELECT *
+  FROM 
+    t1
+  LEFT OUTER JOIN
+    (t2 CROSS JOIN t_empty)
+  ON t1.pk=t2.pk
+  WHERE t2.pk <> 2;
+
+SELECT *
+  FROM 
+    t1
+  LEFT OUTER JOIN
+    (t2 CROSS JOIN t_empty)
+  ON t1.pk=t2.pk
+  WHERE t2.pk <> 2;
+
+
+EXPLAIN
+SELECT *
+  FROM 
+    t1
+  LEFT OUTER JOIN
+    (t2 INNER JOIN t_empty ON t_empty.i=t2.i)
+  ON t1.pk=t2.pk
+  WHERE t2.pk <> 2;
+
+SELECT *
+  FROM 
+    t1
+  LEFT OUTER JOIN
+    (t2 INNER JOIN t_empty ON t_empty.i=t2.i)
+  ON t1.pk=t2.pk
+  WHERE t2.pk <> 2;
+
+
+
+DROP TABLE t1,t2,t_empty;
+
+
 --echo End of 5.1 tests
 
 --echo #

=== modified file 'mysql-test/r/select_all.result'
--- a/mysql-test/r/select_all.result	2010-12-20 14:21:44 +0000
+++ b/mysql-test/r/select_all.result	2011-01-13 10:48:28 +0000
@@ -4874,6 +4874,70 @@ SELECT 1 FROM t1 ORDER BY a COLLATE lati
 1
 1
 DROP TABLE t1;
+#
+# Bug #58422: Incorrect result when OUTER JOIN'ing 
+# with an empty table
+#
+CREATE TABLE t_empty(pk INT PRIMARY KEY, i INT) ENGINE = MYISAM;
+CREATE TABLE t1(pk INT PRIMARY KEY, i INT) ENGINE = MYISAM;
+INSERT INTO t1 VALUES (1,1), (2,2), (3,3);
+CREATE TABLE t2(pk INT PRIMARY KEY, i INT) ENGINE = MYISAM;
+INSERT INTO t2 VALUES (1,1), (2,2), (3,3);
+EXPLAIN
+SELECT *
+FROM 
+t1
+LEFT OUTER JOIN
+(t2 INNER JOIN t_empty ON TRUE)
+ON t1.pk=t2.pk
+WHERE t2.pk <> 2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+SELECT *
+FROM 
+t1
+LEFT OUTER JOIN
+(t2 INNER JOIN t_empty ON TRUE)
+ON t1.pk=t2.pk
+WHERE t2.pk <> 2;
+pk	i	pk	i	pk	i
+EXPLAIN
+SELECT *
+FROM 
+t1
+LEFT OUTER JOIN
+(t2 CROSS JOIN t_empty)
+ON t1.pk=t2.pk
+WHERE t2.pk <> 2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+SELECT *
+FROM 
+t1
+LEFT OUTER JOIN
+(t2 CROSS JOIN t_empty)
+ON t1.pk=t2.pk
+WHERE t2.pk <> 2;
+pk	i	pk	i	pk	i
+EXPLAIN
+SELECT *
+FROM 
+t1
+LEFT OUTER JOIN
+(t2 INNER JOIN t_empty ON t_empty.i=t2.i)
+ON t1.pk=t2.pk
+WHERE t2.pk <> 2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+SELECT *
+FROM 
+t1
+LEFT OUTER JOIN
+(t2 INNER JOIN t_empty ON t_empty.i=t2.i)
+ON t1.pk=t2.pk
+WHERE t2.pk <> 2;
+pk	i	pk	i	pk	i
+DROP TABLE t1,t2,t_empty;
 End of 5.1 tests
 #
 # Bug#45227: Lost HAVING clause led to a wrong result.

=== modified file 'mysql-test/r/select_icp_mrr.result'
--- a/mysql-test/r/select_icp_mrr.result	2010-12-17 09:41:21 +0000
+++ b/mysql-test/r/select_icp_mrr.result	2011-01-13 10:48:28 +0000
@@ -4874,6 +4874,70 @@ SELECT 1 FROM t1 ORDER BY a COLLATE lati
 1
 1
 DROP TABLE t1;
+#
+# Bug #58422: Incorrect result when OUTER JOIN'ing 
+# with an empty table
+#
+CREATE TABLE t_empty(pk INT PRIMARY KEY, i INT) ENGINE = MYISAM;
+CREATE TABLE t1(pk INT PRIMARY KEY, i INT) ENGINE = MYISAM;
+INSERT INTO t1 VALUES (1,1), (2,2), (3,3);
+CREATE TABLE t2(pk INT PRIMARY KEY, i INT) ENGINE = MYISAM;
+INSERT INTO t2 VALUES (1,1), (2,2), (3,3);
+EXPLAIN
+SELECT *
+FROM 
+t1
+LEFT OUTER JOIN
+(t2 INNER JOIN t_empty ON TRUE)
+ON t1.pk=t2.pk
+WHERE t2.pk <> 2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+SELECT *
+FROM 
+t1
+LEFT OUTER JOIN
+(t2 INNER JOIN t_empty ON TRUE)
+ON t1.pk=t2.pk
+WHERE t2.pk <> 2;
+pk	i	pk	i	pk	i
+EXPLAIN
+SELECT *
+FROM 
+t1
+LEFT OUTER JOIN
+(t2 CROSS JOIN t_empty)
+ON t1.pk=t2.pk
+WHERE t2.pk <> 2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+SELECT *
+FROM 
+t1
+LEFT OUTER JOIN
+(t2 CROSS JOIN t_empty)
+ON t1.pk=t2.pk
+WHERE t2.pk <> 2;
+pk	i	pk	i	pk	i
+EXPLAIN
+SELECT *
+FROM 
+t1
+LEFT OUTER JOIN
+(t2 INNER JOIN t_empty ON t_empty.i=t2.i)
+ON t1.pk=t2.pk
+WHERE t2.pk <> 2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+SELECT *
+FROM 
+t1
+LEFT OUTER JOIN
+(t2 INNER JOIN t_empty ON t_empty.i=t2.i)
+ON t1.pk=t2.pk
+WHERE t2.pk <> 2;
+pk	i	pk	i	pk	i
+DROP TABLE t1,t2,t_empty;
 End of 5.1 tests
 #
 # Bug#45227: Lost HAVING clause led to a wrong result.

=== modified file 'mysql-test/r/select_none.result'
--- a/mysql-test/r/select_none.result	2010-12-17 09:41:21 +0000
+++ b/mysql-test/r/select_none.result	2011-01-13 10:48:28 +0000
@@ -4873,6 +4873,70 @@ SELECT 1 FROM t1 ORDER BY a COLLATE lati
 1
 1
 DROP TABLE t1;
+#
+# Bug #58422: Incorrect result when OUTER JOIN'ing 
+# with an empty table
+#
+CREATE TABLE t_empty(pk INT PRIMARY KEY, i INT) ENGINE = MYISAM;
+CREATE TABLE t1(pk INT PRIMARY KEY, i INT) ENGINE = MYISAM;
+INSERT INTO t1 VALUES (1,1), (2,2), (3,3);
+CREATE TABLE t2(pk INT PRIMARY KEY, i INT) ENGINE = MYISAM;
+INSERT INTO t2 VALUES (1,1), (2,2), (3,3);
+EXPLAIN
+SELECT *
+FROM 
+t1
+LEFT OUTER JOIN
+(t2 INNER JOIN t_empty ON TRUE)
+ON t1.pk=t2.pk
+WHERE t2.pk <> 2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+SELECT *
+FROM 
+t1
+LEFT OUTER JOIN
+(t2 INNER JOIN t_empty ON TRUE)
+ON t1.pk=t2.pk
+WHERE t2.pk <> 2;
+pk	i	pk	i	pk	i
+EXPLAIN
+SELECT *
+FROM 
+t1
+LEFT OUTER JOIN
+(t2 CROSS JOIN t_empty)
+ON t1.pk=t2.pk
+WHERE t2.pk <> 2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+SELECT *
+FROM 
+t1
+LEFT OUTER JOIN
+(t2 CROSS JOIN t_empty)
+ON t1.pk=t2.pk
+WHERE t2.pk <> 2;
+pk	i	pk	i	pk	i
+EXPLAIN
+SELECT *
+FROM 
+t1
+LEFT OUTER JOIN
+(t2 INNER JOIN t_empty ON t_empty.i=t2.i)
+ON t1.pk=t2.pk
+WHERE t2.pk <> 2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+SELECT *
+FROM 
+t1
+LEFT OUTER JOIN
+(t2 INNER JOIN t_empty ON t_empty.i=t2.i)
+ON t1.pk=t2.pk
+WHERE t2.pk <> 2;
+pk	i	pk	i	pk	i
+DROP TABLE t1,t2,t_empty;
 End of 5.1 tests
 #
 # Bug#45227: Lost HAVING clause led to a wrong result.

=== modified file 'mysql-test/r/subquery_sj_none.result'
--- a/mysql-test/r/subquery_sj_none.result	2010-11-29 13:30:18 +0000
+++ b/mysql-test/r/subquery_sj_none.result	2011-01-13 10:48:28 +0000
@@ -702,8 +702,7 @@ EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN
 (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
-2	DEPENDENT SUBQUERY	t3	system	NULL	NULL	NULL	NULL	0	const row not found
-2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where
+2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 SELECT * FROM t1 WHERE (t1.i) IN 
 (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i);
 i
@@ -1098,7 +1097,7 @@ EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN
 (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
-2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
 SELECT * FROM t1 WHERE (t1.i) IN 
 (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i);
 i
@@ -1122,7 +1121,7 @@ EXPLAIN SELECT * FROM t1 WHERE (11) IN 
 (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
-2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
 SELECT * FROM t1 WHERE (11) IN 
 (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i);
 i
@@ -1130,7 +1129,7 @@ EXPLAIN SELECT * FROM t1 WHERE (11) IN 
 (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
-2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
 SELECT * FROM t1 WHERE (11) IN 
 (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i);
 i
@@ -1300,8 +1299,7 @@ EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN
 (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
-2	DEPENDENT SUBQUERY	t3	system	NULL	NULL	NULL	NULL	0	const row not found
-2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where
+2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
 SELECT * FROM t1 WHERE (t1.i) IN 
 (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i);
 i
@@ -1326,7 +1324,7 @@ EXPLAIN SELECT * FROM t1 WHERE (11) IN 
 (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
-2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
 SELECT * FROM t1 WHERE (11) IN 
 (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i);
 i
@@ -1334,7 +1332,7 @@ EXPLAIN SELECT * FROM t1 WHERE (11) IN 
 (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
-2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
 SELECT * FROM t1 WHERE (11) IN 
 (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i WHERE t1.i);
 i
@@ -1728,7 +1726,7 @@ EXPLAIN SELECT * FROM t1 WHERE (11) IN 
 (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
-2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
 SELECT * FROM t1 WHERE (11) IN 
 (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i);
 i
@@ -1908,8 +1906,7 @@ EXPLAIN SELECT * FROM t1 WHERE (t1.i) IN
 (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
-2	DEPENDENT SUBQUERY	t3	system	NULL	NULL	NULL	NULL	0	const row not found
-2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where
+2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
 SELECT * FROM t1 WHERE (t1.i) IN 
 (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i);
 i
@@ -1934,7 +1931,7 @@ EXPLAIN SELECT * FROM t1 WHERE (11) IN 
 (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
-2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
 SELECT * FROM t1 WHERE (11) IN 
 (SELECT t3.i FROM t2 LEFT JOIN t3 ON t2.i=t3.i);
 i

=== modified file 'sql/sql_select.cc'
--- a/sql/sql_select.cc	2011-01-13 09:23:45 +0000
+++ b/sql/sql_select.cc	2011-01-13 10:48:28 +0000
@@ -17841,7 +17841,7 @@ join_read_const_table(JOIN_TAB *tab, POS
       /* Mark for EXPLAIN that the row was not found */
       pos->records_read=0.0;
       pos->ref_depend_map= 0;
-      if (!table->maybe_null || error > 0)
+      if (!table->pos_in_table_list->outer_join || error > 0)
 	DBUG_RETURN(error);
     }
   }
@@ -17862,7 +17862,7 @@ join_read_const_table(JOIN_TAB *tab, POS
       /* Mark for EXPLAIN that the row was not found */
       pos->records_read=0.0;
       pos->ref_depend_map= 0;
-      if (!table->maybe_null || error > 0)
+      if (!table->pos_in_table_list->outer_join || error > 0)
 	DBUG_RETURN(error);
     }
   }

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• bzr push into mysql-trunk branch (ole.john.aske:3498 to 3499)	Ole John Aske	13 Jan