Re: RULE regression test fragility?

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Andres Freund <andres(at)2ndquadrant(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Mike Blackwell <mike(dot)blackwell(at)rrd(dot)com>, PgHacker <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: RULE regression test fragility?
Date: 2013-10-28 16:07:00
Message-ID: CA+TgmobCfEs06WEtjpwYyEoNvBX_OF3KCdy7p-YEgi+P9Ddc_w@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

On Sat, Oct 26, 2013 at 12:02 PM, Andres Freund <andres(at)2ndquadrant(dot)com> wrote:
> Imo what it does looks sane - it adds parentheses whenever a child of a
> set operation is a set operation again to make sure the order in which
> the generated set operations are parsed/interpreted stays the same.

But UNION ALL is associative.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Robert Haas 2013-10-28 16:08:18 Re: PL/Python: domain over array support
Previous Message Robert Haas 2013-10-28 16:04:01 Re: logical changeset generation v6.2