fixup

pingcap · Feb 14, 2023 · 3116ca3 · 3116ca3
1 parent e437fdf
commit 3116ca3
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/planner/core/plan_cache_test.go b/planner/core/plan_cache_test.go
@@ -186,6 +186,22 @@ func TestNonPreparedPlanCacheStats(t *testing.T) {
 	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
 }
 
+func TestNonPreparedPlanCacheHints(t *testing.T) {
+	store := testkit.CreateMockStore(t)
+	tk := testkit.NewTestKit(t, store)
+	tk.MustExec(`use test`)
+	tk.MustExec("create table t(a int, index(a))")
+	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
+
+	tk.MustExec("select /*+ use_index(t, a) */ * from t where a=1")
+	tk.MustExec("select /*+ use_index(t, a) */ * from t where a=1") // cannot hit since it has a hint
+	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
+
+	tk.MustExec("select * from t where a=1")
+	tk.MustExec("select * from t where a=1")
+	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
+}
+
 func TestNonPreparedPlanCacheWithExplain(t *testing.T) {
 	store := testkit.CreateMockStore(t)
 	tk := testkit.NewTestKit(t, store)