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-rw-r--r--mysql-test/r/join_outer.result59
-rw-r--r--mysql-test/r/join_outer_jcl6.result59
-rw-r--r--mysql-test/r/null_key.result4
-rw-r--r--mysql-test/t/join_outer.test44
4 files changed, 164 insertions, 2 deletions
diff --git a/mysql-test/r/join_outer.result b/mysql-test/r/join_outer.result
index c7bfa7797bd..77e23e4c788 100644
--- a/mysql-test/r/join_outer.result
+++ b/mysql-test/r/join_outer.result
@@ -1308,4 +1308,63 @@ WHERE (COALESCE(t1.f1, t2.f1), f3) IN ((1, 3), (2, 2));
f1 f2 f3 f1 f2
1 NULL 3 NULL NULL
DROP TABLE t1, t2;
+#
+# Bug#57024: Poor performance when conjunctive condition over the outer
+# table is used in the on condition of an outer join
+#
+create table t1 (a int);
+insert into t1 values (NULL), (NULL), (NULL), (NULL);
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 values (4), (2), (1), (3);
+create table t2 like t1;
+insert into t2 select if(t1.a is null, 10, t1.a) from t1;
+create table t3 (a int, b int, index idx(a));
+insert into t3 values (1, 100), (3, 301), (4, 402), (1, 102), (1, 101);
+analyze table t1,t2,t3;
+Table Op Msg_type Msg_text
+test.t1 analyze status OK
+test.t2 analyze status OK
+test.t3 analyze status OK
+flush status;
+select sum(t3.b) from t1 left join t3 on t3.a=t1.a and t1.a is not null;
+sum(t3.b)
+1006
+show status like "handler_read%";
+Variable_name Value
+Handler_read_first 0
+Handler_read_key 4
+Handler_read_next 5
+Handler_read_prev 0
+Handler_read_rnd 0
+Handler_read_rnd_next 1048581
+flush status;
+select sum(t3.b) from t2 left join t3 on t3.a=t2.a and t2.a <> 10;
+sum(t3.b)
+1006
+show status like "handler_read%";
+Variable_name Value
+Handler_read_first 0
+Handler_read_key 4
+Handler_read_next 5
+Handler_read_prev 0
+Handler_read_rnd 0
+Handler_read_rnd_next 1048581
+drop table t1,t2,t3;
End of 5.1 tests
diff --git a/mysql-test/r/join_outer_jcl6.result b/mysql-test/r/join_outer_jcl6.result
index d3008632cf8..beee8990f43 100644
--- a/mysql-test/r/join_outer_jcl6.result
+++ b/mysql-test/r/join_outer_jcl6.result
@@ -1315,6 +1315,65 @@ WHERE (COALESCE(t1.f1, t2.f1), f3) IN ((1, 3), (2, 2));
f1 f2 f3 f1 f2
1 NULL 3 NULL NULL
DROP TABLE t1, t2;
+#
+# Bug#57024: Poor performance when conjunctive condition over the outer
+# table is used in the on condition of an outer join
+#
+create table t1 (a int);
+insert into t1 values (NULL), (NULL), (NULL), (NULL);
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 values (4), (2), (1), (3);
+create table t2 like t1;
+insert into t2 select if(t1.a is null, 10, t1.a) from t1;
+create table t3 (a int, b int, index idx(a));
+insert into t3 values (1, 100), (3, 301), (4, 402), (1, 102), (1, 101);
+analyze table t1,t2,t3;
+Table Op Msg_type Msg_text
+test.t1 analyze status OK
+test.t2 analyze status OK
+test.t3 analyze status OK
+flush status;
+select sum(t3.b) from t1 left join t3 on t3.a=t1.a and t1.a is not null;
+sum(t3.b)
+1006
+show status like "handler_read%";
+Variable_name Value
+Handler_read_first 0
+Handler_read_key 4
+Handler_read_next 5
+Handler_read_prev 0
+Handler_read_rnd 5
+Handler_read_rnd_next 1048581
+flush status;
+select sum(t3.b) from t2 left join t3 on t3.a=t2.a and t2.a <> 10;
+sum(t3.b)
+1006
+show status like "handler_read%";
+Variable_name Value
+Handler_read_first 0
+Handler_read_key 4
+Handler_read_next 5
+Handler_read_prev 0
+Handler_read_rnd 5
+Handler_read_rnd_next 1048581
+drop table t1,t2,t3;
End of 5.1 tests
set join_cache_level=default;
show variables like 'join_cache_level';
diff --git a/mysql-test/r/null_key.result b/mysql-test/r/null_key.result
index 027d1d2b93c..67725c45314 100644
--- a/mysql-test/r/null_key.result
+++ b/mysql-test/r/null_key.result
@@ -423,8 +423,8 @@ FOUND_ROWS()
SHOW STATUS LIKE "handler_read%";
Variable_name Value
Handler_read_first 0
-Handler_read_key 8
-Handler_read_next 31942
+Handler_read_key 6
+Handler_read_next 2
Handler_read_prev 0
Handler_read_rnd 0
Handler_read_rnd_next 5
diff --git a/mysql-test/t/join_outer.test b/mysql-test/t/join_outer.test
index 2c243aabeb6..44dbe83ffe3 100644
--- a/mysql-test/t/join_outer.test
+++ b/mysql-test/t/join_outer.test
@@ -914,4 +914,48 @@ WHERE (COALESCE(t1.f1, t2.f1), f3) IN ((1, 3), (2, 2));
DROP TABLE t1, t2;
+--echo #
+--echo # Bug#57024: Poor performance when conjunctive condition over the outer
+--echo # table is used in the on condition of an outer join
+--echo #
+
+create table t1 (a int);
+insert into t1 values (NULL), (NULL), (NULL), (NULL);
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+insert into t1 values (4), (2), (1), (3);
+
+create table t2 like t1;
+insert into t2 select if(t1.a is null, 10, t1.a) from t1;
+
+create table t3 (a int, b int, index idx(a));
+insert into t3 values (1, 100), (3, 301), (4, 402), (1, 102), (1, 101);
+
+analyze table t1,t2,t3;
+
+flush status;
+select sum(t3.b) from t1 left join t3 on t3.a=t1.a and t1.a is not null;
+show status like "handler_read%";
+flush status;
+select sum(t3.b) from t2 left join t3 on t3.a=t2.a and t2.a <> 10;
+show status like "handler_read%";
+
+drop table t1,t2,t3;
+
--echo End of 5.1 tests