>>>>> "Tom" == Tom Lane <tgl@sss.pgh.pa.us> writes:
>> select nth_value(x) from first ignore;
Tom> No, because once IGNORE is a keyword, even unreserved, it's not
Tom> legal as an AS-less alias.
That rule only applies in the select-list, not in the FROM clause; table
aliases in FROM are just ColId, so they can be anything except a fully
reserved or type_func_name keyword.
--
Andrew (irc:RhodiumToad)
