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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: (view raw, whole thread or download thread mbox)
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: query-expression.pdf
Description: application/pdf (3.1 KB)
Attachment: search-or-cycle-clause.pdf
Description: application/pdf (4.2 KB)

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