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Re: Bug #690: pg_ctl doesn't act properly for option -w

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: swqi(at)strongholdtech(dot)com, pgsql-bugs(at)postgresql(dot)org
Subject: Re: Bug #690: pg_ctl doesn't act properly for option -w
Date: 2002-06-11 21:33:57
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-bugs
pgsql-bugs(at)postgresql(dot)org wrote:
> shangwu (swqi(at)strongholdtech(dot)com) reports a bug with a severity of 3
> The lower the number the more severe it is.
> Short Description
> pg_ctl doesn't  act properly for option -w
> Long Description
> If you start postmaster at some port number other than 5432 by pg_ctl with option -w, it doesn't block any more.
> The problem is that pg_ctl calls "psql -l" to check if the postmaster is started. Running psql without correct port number gets immediately failed with error exit code. 

Alas, inside pg_ctl, there is this comment:
	# FIXME:  This is horribly misconceived.
	# 1) If password authentication is set up, the connection will fail.
	# 2) If a virtual host is set up, the connection may fail.
	# 3) If network traffic filters are set up tight enough, the connection
	#    may fail.
	# 4) When no Unix domain sockets are available, the connection will
	#    fail.  (Using TCP/IP by default ain't better.)
	# 5) When a different port is configured, the connection will fail
	#    or go to the wrong server.
	# 6) If the dynamic loader is not set up correctly (for this user/at
	#    this time), psql will fail (to find libpq).
	# 7) If psql is misconfigured, this may fail.

Feel free to send in a patch.  :-)

  Bruce Momjian                        |
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026

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