Robert Haas <robertmh...@gmail.com> writes: > Typically, the DatumGetBlah() function that you pick should match the > SQL data type that the function is returning. So if the function > returns pg_catalog.int4, which corresponds to the C data type int32, > you would use DatumGetInt32. There is no SQL type corresponding to the > C data type uint32, so I'm not sure why we even have DatumGetUInt32.
xid?
regards, tom lane
