infoschema: fix pseudo data for profiling table (#8092) (#8096)

pingcap · Oct 30, 2018 · 56b8c4a · 56b8c4a
1 parent ebebc2a
commit 56b8c4a
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Showing 2 changed files with 19 additions and 2 deletions.
diff --git a/infoschema/tables.go b/infoschema/tables.go
@@ -1170,8 +1170,8 @@ func dataForPseudoProfiling() [][]types.Datum {
 		0,                      // PAGE_FAULTS_MAJOR
 		0,                      // PAGE_FAULTS_MINOR
 		0,                      // SWAPS
-		0,                      // SOURCE_FUNCTION
-		0,                      // SOURCE_FILE
+		"",                     // SOURCE_FUNCTION
+		"",                     // SOURCE_FILE
 		0,                      // SOURCE_LINE
 	)
 	rows = append(rows, row)

diff --git a/infoschema/tables_test.go b/infoschema/tables_test.go
@@ -176,3 +176,20 @@ func (s *testSuite) TestSchemataCharacterSet(c *C) {
 		testkit.Rows("utf8mb4 utf8_bin"))
 
 }
+
+func (s *testSuite) TestProfiling(c *C) {
+	testleak.BeforeTest()
+	defer testleak.AfterTest(c)()
+	store, err := mockstore.NewMockTikvStore()
+	c.Assert(err, IsNil)
+	defer store.Close()
+	session.SetStatsLease(0)
+	do, err := session.BootstrapSession(store)
+	c.Assert(err, IsNil)
+	defer do.Close()
+
+	tk := testkit.NewTestKit(c, store)
+	tk.MustQuery("select * from information_schema.profiling").Check(testkit.Rows())
+	tk.MustExec("set @@profiling=1")
+	tk.MustQuery("select * from information_schema.profiling").Check(testkit.Rows("0 0  0 0 0 0 0 0 0 0 0 0 0 0   0"))
+}