update

Signed-off-by: Weizhen Wang <[email protected]>
pingcap · Jan 6, 2024 · 16a7d82 · 16a7d82
1 parent 9b0fd9e
commit 16a7d82
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Showing 3 changed files with 13 additions and 1 deletion.
diff --git a/pkg/planner/core/casetest/hint/BUILD.bazel b/pkg/planner/core/casetest/hint/BUILD.bazel
@@ -9,7 +9,7 @@ go_test(
     ],
     data = glob(["testdata/**"]),
     flaky = True,
-    shard_count = 6,
+    shard_count = 7,
     deps = [
         "//pkg/config",
         "//pkg/domain",

diff --git a/pkg/planner/core/casetest/hint/hint_test.go b/pkg/planner/core/casetest/hint/hint_test.go
@@ -340,3 +340,13 @@ func TestOptimizeHintOnPartitionTable(t *testing.T) {
 	tk.MustQuery("SELECT /*+ MAX_EXECUTION_TIME(10), dtc(name=tt) unknow(t1,t2) */ SLEEP(5)").Check(testkit.Rows("0"))
 	require.Len(t, tk.Session().GetSessionVars().StmtCtx.GetWarnings(), 2)
 }
+
+func TestIssue50067(t *testing.T) {
+	store := testkit.CreateMockStore(t)
+	tk := testkit.NewTestKit(t, store)
+	tk.MustExec("use test")
+	tk.MustExec("create table t1 (a int);")
+	tk.MustExec("create table t2 (a int);")
+	tk.MustExec("create table t3 (a int);")
+	tk.MustExec("explain select * from t1, t2, t3 union all select /*+ leading(t3, t2) */ * from t1, t2, t3 union all select * from t1, t2, t3;")
+}
diff --git a/pkg/util/hint/hint_processor.go b/pkg/util/hint/hint_processor.go
@@ -100,6 +100,8 @@ func ExtractTableHintsFromStmtNode(node ast.Node, sctx sessionctx.Context) []*as
 			}
 		}
 		return result
+	case *ast.ExplainStmt:
+		return ExtractTableHintsFromStmtNode(x.Stmt, sctx)
 	default:
 		return nil
 	}