Merge pull request #875 from pingcap/qiuyesuifeng/add-in-test

optimizer/evaluator: add in expr evaluation test.
2016-01-29 20:01:06 +08:00
parent 9a54829458 bd1b18e616
commit 2ed57571da
1 changed files with 14 additions and 1 deletions
--- a/optimizer/evaluator/evaluator_test.go
+++ b/optimizer/evaluator/evaluator_test.go
@ -662,10 +662,23 @@ func (s *testEvaluatorSuite) TestPatternIn(c *C) {
 		{
 			exprStr:   "NULL not in (2, 3)",
 			resultStr: "<nil>",
-		}, {
+		},
+		{
 			exprStr:   "NULL in (NULL, 3)",
 			resultStr: "<nil>",
 		},
+		{
+			exprStr:   "1 in (1, NULL)",
+			resultStr: "1",
+		},
+		{
+			exprStr:   "1 in (NULL, 1)",
+			resultStr: "1",
+		},
+		{
+			exprStr:   "2 in (1, NULL)",
+			resultStr: "<nil>",
+		},
 	}
 	s.runTests(c, cases)
 }