/**
* Ensures that none of the specified expressions performs an update. Otherwise, throws an
* exception.
*
* @param exprs expressions (may be {@code null}, and may contain {@code null} references)
* @throws QueryException query exception
*/
protected final void checkNoneUp(final Expr... exprs) throws QueryException {
if (exprs == null) return;
checkAllUp(exprs);
for (final Expr expr : exprs) {
if (expr != null && expr.has(Flag.UPD)) throw UPNOT_X.get(info, description());
}
}
/**
* Ensures that the specified expression performs no updates. Otherwise, throws an exception.
*
* @param expr expression (may be {@code null})
* @throws QueryException query exception
*/
protected void checkNoUp(final Expr expr) throws QueryException {
if (expr == null) return;
expr.checkUp();
if (expr.has(Flag.UPD)) throw UPNOT_X.get(info, description());
}