Skip site navigation (1) Skip section navigation (2)

Re: Recursive query syntax ambiguity

From: Gregory Stark <stark(at)enterprisedb(dot)com>
To: "Andrew Dunstan" <andrew(at)dunslane(dot)net>
Cc: "PostgreSQL Development" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Recursive query syntax ambiguity
Date: 2007-01-26 20:22:17
Message-ID: 87ac05a686.fsf@stark.xeocode.com (view raw or flat)
Thread:
Lists: pgsql-hackers
"Andrew Dunstan" <andrew(at)dunslane(dot)net> writes:

> Can you post the rules you have so far that you're playing around with? (Also
> maybe the rules from the standard - I don't have a copy handy).

This is the best compromise I've come up with so far. It makes CYCLE a
reserved word and requires a CYCLE clause if there's a SEARCH clause.


Attachment: search-or-cycle-clause.pdf
Description: application/pdf (4.2 KB)
Attachment: query-expression.pdf
Description: application/pdf (3.1 KB)

In response to

Responses

pgsql-hackers by date

Next:From: Gevik BabakhaniDate: 2007-01-26 20:34:10
Subject: VC2005 build and pthreads
Previous:From: Jan WieckDate: 2007-01-26 19:58:53
Subject: NULL value in subselect in UNION causes error

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group