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Re: InvalidXLogRecPtr in docs

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Takahiro Itagaki <itagaki.takahiro@oss.ntt.co.jp>, pgsql-hackers@postgresql.org
Date: 2010-06-10T02:56:56Z
Lists: pgsql-hackers 
Robert Haas <robertmhaas@gmail.com> writes:
> On Wed, Jun 9, 2010 at 9:46 PM, Takahiro Itagaki
> <itagaki.takahiro@oss.ntt.co.jp> wrote:
>> I found a term "InvalidXLogRecPtr" in 9.0 docs.
>> http://developer.postgresql.org/pgdocs/postgres/functions-admin.html#FUNCTIONS-RECOVERY-INFO-TABLE
>> | ... then the return value will be InvalidXLogRecPtr (0/0).

> Maybe we should be returning NULL instead of 0/0.

+1 for using NULL instead of an artificially chosen value, for both of
those functions.

			regards, tom lane