Hello,
The table of which C types represent which SQL types seems to be missing bigint:
http://www.postgresql.org/docs/9.3/static/xfunc-c.html#XFUNC-C-TYPE-TABLE
It looks like bigint should be listed and should correspond to an
int64 C type. Also I see there is an INT8OID, PG_GETARG_INT64,
DatumGetInt64, and Int64GetDatum---I think all for bigints. Does that
sound right? If so, would you like a documentation patch?
Thanks,
Paul
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Pulchritudo splendor veritatis.