Function TestDeepClone

pkg/planner/core/planbuilder_test.go:209–242

(t *testing.T)

}

func TestDeepClone(t *testing.T) {
	tp := types.NewFieldType(mysql.TypeLonglong)
	expr := &expression.Column{RetType: tp}
	byItems := []*util.ByItems{{Expr: expr}}
	sort1 := &PhysicalSort{ByItems: byItems}
	sort2 := &PhysicalSort{ByItems: byItems}
	checkDeepClone := func(p1, p2 base.PhysicalPlan) error {
		whiteList := []string{"*property.StatsInfo", "*sessionctx.Context", "*mock.Context"}
		return checkDeepClonedCore(reflect.ValueOf(p1), reflect.ValueOf(p2), typeName(reflect.TypeOf(p1)), nil, whiteList, nil)
	}
	err := checkDeepClone(sort1, sort2)
	require.Error(t, err)
	require.Equal(t, "same slice pointers, path *PhysicalSort.ByItems", err.Error())

	byItems2 := []*util.ByItems{{Expr: expr}}
	sort2.ByItems = byItems2
	err = checkDeepClone(sort1, sort2)
	require.Error(t, err)
	require.Equal(t, "same pointer, path *PhysicalSort.ByItems[0].Expr", err.Error())

	expr2 := &expression.Column{RetType: tp}
	byItems2[0].Expr = expr2
	err = checkDeepClone(sort1, sort2)
	require.Error(t, err)
	require.Equal(t, "same pointer, path *PhysicalSort.ByItems[0].Expr.RetType", err.Error())

	expr2.RetType = types.NewFieldType(mysql.TypeString)
	err = checkDeepClone(sort1, sort2)
	require.Error(t, err)
	require.Equal(t, "different values, path *PhysicalSort.ByItems[0].Expr.RetType.tp", err.Error())

	expr2.RetType = types.NewFieldType(mysql.TypeLonglong)
	require.NoError(t, checkDeepClone(sort1, sort2))
}

func TestTablePlansAndTablePlanInPhysicalTableReaderClone(t *testing.T) {
	ctx := mock.NewContext()