summaryrefslogtreecommitdiff
path: root/mysql-test/t/innodb_mysql.test
diff options
context:
space:
mode:
Diffstat (limited to 'mysql-test/t/innodb_mysql.test')
-rw-r--r--mysql-test/t/innodb_mysql.test29
1 files changed, 29 insertions, 0 deletions
diff --git a/mysql-test/t/innodb_mysql.test b/mysql-test/t/innodb_mysql.test
index 59ee7c274bb..b4fc425cb7c 100644
--- a/mysql-test/t/innodb_mysql.test
+++ b/mysql-test/t/innodb_mysql.test
@@ -996,4 +996,33 @@ set @my_innodb_commit_concurrency=@@global.innodb_commit_concurrency;
set global innodb_commit_concurrency=0;
set global innodb_commit_concurrency=@my_innodb_commit_concurrency;
+#
+# Bug #37830: ORDER BY ASC/DESC - no difference
+#
+
+CREATE TABLE t1 (a int, b int, c int, PRIMARY KEY (a), KEY t1_b (b))
+ ENGINE=InnoDB;
+
+INSERT INTO t1 (a,b,c) VALUES (1,1,1), (2,1,1), (3,1,1), (4,1,1);
+INSERT INTO t1 (a,b,c) SELECT a+4,b,c FROM t1;
+
+# should be range access
+EXPLAIN SELECT a, b, c FROM t1 WHERE b = 1 ORDER BY a DESC LIMIT 5;
+
+# should produce '8 7 6 5 4' for a
+SELECT a, b, c FROM t1 WHERE b = 1 ORDER BY a DESC LIMIT 5;
+
+DROP TABLE t1;
+
+#
+# Bug#37284 Crash in Field_string::type()
+#
+--disable_warnings
+DROP TABLE IF EXISTS t1;
+--enable_warnings
+CREATE TABLE t1 (a char(50)) ENGINE=InnoDB;
+CREATE INDEX i1 on t1 (a(3));
+SELECT * FROM t1 WHERE a = 'abcde';
+DROP TABLE t1;
+
--echo End of 5.0 tests