planner/window: fix comments by using a dummy window spec(pingcap#11008)

sre-bot · Aug 10, 2019 · ee146a6 · ee146a6
1 parent 5fa8be3
commit ee146a6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go
@@ -3106,7 +3106,7 @@ func (b *PlanBuilder) buildWindowFunctionFrame(ctx context.Context, spec *ast.Wi
 
 func (b *PlanBuilder) checkWindowFuncArgs(ctx context.Context, p LogicalPlan, windowFuncExprs []*ast.WindowFuncExpr, windowAggMap map[*ast.AggregateFuncExpr]int) error {
 	for _, windowFuncExpr := range windowFuncExprs {
-		_, _, _, args, err := b.buildProjectionForWindow(ctx, p, &windowFuncExpr.Spec, windowFuncExpr.Args, windowAggMap)
+		_, _, _, args, err := b.buildProjectionForWindow(ctx, p, &ast.WindowSpec{}, windowFuncExpr.Args, windowAggMap)
 		if err != nil {
 			return err
 		}