def _pq_fetch(self):
pgstatus = libpq.PQresultStatus(self._pgres)
if pgstatus != libpq.PGRES_FATAL_ERROR:
self._statusmessage = util.bytes_to_ascii(
ffi.string(libpq.PQcmdStatus(self._pgres)))
else:
self._statusmessage = None
self._no_tuples = True
self._rownumber = 0
if pgstatus == libpq.PGRES_COMMAND_OK:
rowcount = ffi.string(libpq.PQcmdTuples(self._pgres))
if not rowcount or not rowcount[0]:
self._rowcount = -1
else:
self._rowcount = int(rowcount)
self._lastrowid = libpq.PQoidValue(self._pgres)
self._clear_pgres()
elif pgstatus == libpq.PGRES_TUPLES_OK:
self._rowcount = libpq.PQntuples(self._pgres)
return self._pq_fetch_tuples()
elif pgstatus == libpq.PGRES_COPY_IN:
return self._pq_fetch_copy_in()
elif pgstatus == libpq.PGRES_COPY_OUT:
return self._pq_fetch_copy_out()
elif pgstatus == libpq.PGRES_EMPTY_QUERY:
self._clear_pgres()
raise ProgrammingError("can't execute an empty query")
else:
raise self._conn._create_exception(cursor=self)
def _pq_fetch(self):
pgstatus = libpq.PQresultStatus(self._pgres)
if pgstatus != libpq.PGRES_FATAL_ERROR:
self._statusmessage = util.bytes_to_ascii(
ffi.string(libpq.PQcmdStatus(self._pgres)))
else:
self._statusmessage = None
self._no_tuples = True
self._rownumber = 0
if pgstatus == libpq.PGRES_COMMAND_OK:
rowcount = ffi.string(libpq.PQcmdTuples(self._pgres))
if not rowcount or not rowcount[0]:
self._rowcount = -1
else:
self._rowcount = int(rowcount)
self._lastrowid = libpq.PQoidValue(self._pgres)
self._clear_pgres()
elif pgstatus == libpq.PGRES_TUPLES_OK:
self._rowcount = libpq.PQntuples(self._pgres)
return self._pq_fetch_tuples()
elif pgstatus == libpq.PGRES_COPY_IN:
return self._pq_fetch_copy_in()
elif pgstatus == libpq.PGRES_COPY_OUT:
return self._pq_fetch_copy_out()
elif pgstatus == libpq.PGRES_EMPTY_QUERY:
self._clear_pgres()
raise ProgrammingError("can't execute an empty query")
else:
raise self._conn._create_exception(cursor=self)