During one of my works for logical rewrite, I want to check if the expr is a given Expr.
so the simplest way is:
if (expr->opno == 418 && nodeTag(linitial(expr->args)) == T_xxx && nodeTag(lsecond(expr->args)) == T_yyyy )
{
..
}
if we write code like above, we may have issues if the oid changed in the future version.
so what would be your suggestion?
Thanks
