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authorSergey Petrunya <psergey@askmonty.org>2013-09-23 10:33:14 +0400
committerSergey Petrunya <psergey@askmonty.org>2013-09-23 10:33:14 +0400
commite2d1aaec8232168ca03252be07bbb0c705b70397 (patch)
tree506002c03f2836cb9c1790d73f785f60533fabff /mysql-test
parent28a8d40c22cb86a70a1306baed3426a02cfbd220 (diff)
parent422c55a2404a7ec31d43962cdda0d782ef32dc45 (diff)
downloadmariadb-git-e2d1aaec8232168ca03252be07bbb0c705b70397.tar.gz
Merge fix for MDEV-5037 into 5.5
Diffstat (limited to 'mysql-test')
-rw-r--r--mysql-test/r/innodb_mrr_cpk.result23
-rw-r--r--mysql-test/t/innodb_mrr_cpk.test27
2 files changed, 50 insertions, 0 deletions
diff --git a/mysql-test/r/innodb_mrr_cpk.result b/mysql-test/r/innodb_mrr_cpk.result
index 15ef32447a8..bcee428bc57 100644
--- a/mysql-test/r/innodb_mrr_cpk.result
+++ b/mysql-test/r/innodb_mrr_cpk.result
@@ -171,3 +171,26 @@ a b c d e g
2 6 two 12 2 6
DROP TABLE t1, t2;
set optimizer_switch=@tmp_mdev3817;
+#
+# MDEV-5037: Server crash on a JOIN on a derived table with join_cache_level > 2
+#
+create table t0 (a int);
+insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+CREATE TABLE t1 (
+id char(8) CHARACTER SET utf8 NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+CREATE TABLE t2 (
+id char(8) CHARACTER SET utf8 DEFAULT NULL,
+url text CHARACTER SET utf8
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+insert into t1 select '03b2ca8c' from t0 A, t0 B limit 80;
+insert into t2 select '03b2ca8c','' from t0 A, t0 B, t0 C;
+set @tmp_mdev5037=@@join_cache_level;
+set join_cache_level=3;
+explain SELECT 1 FROM (SELECT url, id FROM t2 LIMIT 1 OFFSET 20) derived RIGHT JOIN t1 ON t1.id = derived.id;
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t1 ALL NULL NULL NULL NULL #
+1 PRIMARY <derived2> hash_ALL key0 #hash#key0 25 test.t1.id # Using join buffer (flat, BNLH join)
+2 DERIVED t2 ALL NULL NULL NULL NULL #
+set join_cache_level= @tmp_mdev5037;
+drop table t0,t1,t2;
diff --git a/mysql-test/t/innodb_mrr_cpk.test b/mysql-test/t/innodb_mrr_cpk.test
index a7b2d9c0ddd..bee8d5796ce 100644
--- a/mysql-test/t/innodb_mrr_cpk.test
+++ b/mysql-test/t/innodb_mrr_cpk.test
@@ -165,3 +165,30 @@ SELECT * FROM t1, t2 WHERE g = b AND ( a < 7 OR a > e );
DROP TABLE t1, t2;
set optimizer_switch=@tmp_mdev3817;
+--echo #
+--echo # MDEV-5037: Server crash on a JOIN on a derived table with join_cache_level > 2
+--echo #
+create table t0 (a int);
+insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+
+CREATE TABLE t1 (
+ id char(8) CHARACTER SET utf8 NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+
+CREATE TABLE t2 (
+ id char(8) CHARACTER SET utf8 DEFAULT NULL,
+ url text CHARACTER SET utf8
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+
+insert into t1 select '03b2ca8c' from t0 A, t0 B limit 80;
+insert into t2 select '03b2ca8c','' from t0 A, t0 B, t0 C;
+
+set @tmp_mdev5037=@@join_cache_level;
+set join_cache_level=3;
+
+--replace_column 9 #
+explain SELECT 1 FROM (SELECT url, id FROM t2 LIMIT 1 OFFSET 20) derived RIGHT JOIN t1 ON t1.id = derived.id;
+
+set join_cache_level= @tmp_mdev5037;
+
+drop table t0,t1,t2;