Function ReType

pkg/sql/sem/tree/normalize.go:977–984

ReType ensures that the given numeric expression evaluates to the requested type, inserting a cast if necessary.

(expr TypedExpr, wantedType *types.T)

// ReType ensures that the given numeric expression evaluates
// to the requested type, inserting a cast if necessary.
func ReType(expr TypedExpr, wantedType *types.T) TypedExpr {
	if expr.ResolvedType().Equivalent(wantedType) {
		return expr
	}
	res := &CastExpr{Expr: expr, Type: wantedType}
	res.typ = wantedType
	return res
}