bzr commit into mysql-6.0-codebase-bugfixing branch (oystein.grovlen:3736) Bug#49129

[Oystein.Grovlen]

#At file:///home/oysteing/mysql/mysql-6.0-codebase-bugfixing/ based on revid:alik@stripped

 3736 oystein.grovlen@stripped	2009-11-26
      Add test case for Bug#49129 to optimizer_unfixed_bugs test suite
     @ mysql-test/suite/optimizer_unfixed_bugs/r/bug49129.result
        Result for test case for Bug#49129
     @ mysql-test/suite/optimizer_unfixed_bugs/t/bug49129.test
        Test case for Bug#49219

    added:
      mysql-test/suite/optimizer_unfixed_bugs/r/bug49129.result
      mysql-test/suite/optimizer_unfixed_bugs/t/bug49129.test
=== added file 'mysql-test/suite/optimizer_unfixed_bugs/r/bug49129.result'
--- a/mysql-test/suite/optimizer_unfixed_bugs/r/bug49129.result	1970-01-01 00:00:00 +0000
+++ b/mysql-test/suite/optimizer_unfixed_bugs/r/bug49129.result	2009-11-26 10:11:48 +0000
@@ -0,0 +1,39 @@
+SET SESSION optimizer_switch = 'firstmatch=off,index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,loosescan=on,materialization=on,semijoin=on';
+CREATE TABLE t0 (a INT);
+INSERT INTO t0 VALUES (0),(1),(2),(3),(4);
+CREATE TABLE t1 (a INT, b INT, KEY(a));
+INSERT INTO t1 SELECT a, a from t0;
+CREATE TABLE t2 (a INT, b INT, PRIMARY KEY(a));
+INSERT INTO t2 SELECT * FROM t1;
+UPDATE t1 SET a=3, b=11 WHERE a=4;
+UPDATE t2 SET b=11 WHERE a=3;
+
+# This result is wrong, but will be fixed by Bug#46556
+SELECT * FROM t0 WHERE t0.a IN 
+(SELECT t1.a FROM t1, t2 WHERE t2.a=t0.a AND t1.b=t2.b);
+a
+0
+1
+2
+3
+SET join_cache_level = 6;
+
+# This result is even more wrong ;-)
+SELECT * FROM t0 WHERE t0.a IN 
+(SELECT t1.a FROM t1, t2 WHERE t2.a=t0.a AND t1.b=t2.b);
+a
+0
+1
+2
+3
+
+# This result is correct
+SET SESSION optimizer_switch = 'semijoin=off';
+SELECT * FROM t0 WHERE t0.a IN 
+(SELECT t1.a FROM t1, t2 WHERE t2.a=t0.a AND t1.b=t2.b);
+a
+0
+1
+2
+3
+DROP TABLE t0, t1, t2;

=== added file 'mysql-test/suite/optimizer_unfixed_bugs/t/bug49129.test'
--- a/mysql-test/suite/optimizer_unfixed_bugs/t/bug49129.test	1970-01-01 00:00:00 +0000
+++ b/mysql-test/suite/optimizer_unfixed_bugs/t/bug49129.test	2009-11-26 10:11:48 +0000
@@ -0,0 +1,34 @@
+SET SESSION optimizer_switch = 'firstmatch=off,index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,loosescan=on,materialization=on,semijoin=on';
+
+CREATE TABLE t0 (a INT);
+INSERT INTO t0 VALUES (0),(1),(2),(3),(4);
+
+CREATE TABLE t1 (a INT, b INT, KEY(a));
+INSERT INTO t1 SELECT a, a from t0;
+
+CREATE TABLE t2 (a INT, b INT, PRIMARY KEY(a));
+INSERT INTO t2 SELECT * FROM t1;
+
+UPDATE t1 SET a=3, b=11 WHERE a=4;
+UPDATE t2 SET b=11 WHERE a=3;
+
+--echo
+--echo # This result is wrong, but will be fixed by Bug#46556
+SELECT * FROM t0 WHERE t0.a IN 
+  (SELECT t1.a FROM t1, t2 WHERE t2.a=t0.a AND t1.b=t2.b);
+
+SET join_cache_level = 6;
+
+--echo
+--echo # This result is even more wrong ;-)
+SELECT * FROM t0 WHERE t0.a IN 
+  (SELECT t1.a FROM t1, t2 WHERE t2.a=t0.a AND t1.b=t2.b);
+
+SET SESSION optimizer_switch = 'semijoin=off';
+
+--echo
+--echo # This result is correct
+SELECT * FROM t0 WHERE t0.a IN 
+  (SELECT t1.a FROM t1, t2 WHERE t2.a=t0.a AND t1.b=t2.b);
+
+DROP TABLE t0, t1, t2;


Attachment: [text/bzr-bundle]