> -----Original Message----- > From: Alvaro Herrera [mailto:alvherre@xxxxxxxxxxxxxx] > Sent: Tuesday, December 11, 2007 1:11 PM > To: Dann Corbit > Cc: pgsql-hackers@xxxxxxxxxxxxxx; pgsql-general@xxxxxxxxxxxxxx > Subject: Re: Dumb question about binary cursors and > #ifdefHAVE_INT64_TIMESTAMP > > Dann Corbit wrote: > > If I create a binary cursor on a recent version of PostgreSQL, how can I > > tell if the timestamp data internally is an 8 byte double or an 8 byte > > integer? > > > > I see an #ifdef that changes the code path to compute timestamps as one > > type or the other, but I do not know how to recognize the internal > > format of the type that will be returned in a binary cursor. > > > > How can I do that? > > SHOW integer_timestamp; > > (actually, IIRC, this is one of the params that the server will send you > at session start). Tom's post clued me in. It's: show integer_datetimes; Or (in my case): PQparameterStatus(conn, "integer_datetimes") ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match