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