def _handle_upsert(self, parts, unwritten_lobs=()):
"""Handle reply messages from INSERT or UPDATE statements"""
self.description = None
self._received_last_resultset_part = True # set to 'True' so that cursor.fetch*() returns just empty list
for part in parts:
if part.kind == part_kinds.ROWSAFFECTED:
self.rowcount = part.values[0]
elif part.kind in (part_kinds.TRANSACTIONFLAGS,
part_kinds.STATEMENTCONTEXT,
part_kinds.PARAMETERMETADATA):
pass
elif part.kind == part_kinds.WRITELOBREPLY:
# This part occurrs after lobs have been submitted not at all or only partially during an insert.
# In this case the parameter part of the Request message contains a list called 'unwritten_lobs'
# with LobBuffer instances.
# Those instances are in the same order as 'locator_ids' received in the reply message. These IDs
# are then used to deliver the missing LOB data to the server via WRITE_LOB_REQUESTs.
for lob_buffer, lob_locator_id in izip(unwritten_lobs,
part.locator_ids):
# store locator_id in every lob buffer instance for later reference:
lob_buffer.locator_id = lob_locator_id
self._perform_lob_write_requests(unwritten_lobs)
else:
raise InterfaceError(
"Prepared insert statement response, unexpected part kind %d."
% part.kind)
self._executed = True
def _handle_upsert(self, parts, unwritten_lobs=()):
"""Handle reply messages from INSERT or UPDATE statements"""
self.description = None
self._received_last_resultset_part = True # set to 'True' so that cursor.fetch*() returns just empty list
for part in parts:
if part.kind == part_kinds.ROWSAFFECTED:
self.rowcount = part.values[0]
elif part.kind in (part_kinds.TRANSACTIONFLAGS, part_kinds.STATEMENTCONTEXT):
pass
elif part.kind == part_kinds.WRITELOBREPLY:
# This part occurrs after lobs have been submitted not at all or only partially during an insert.
# In this case the parameter part of the Request message contains a list called 'unwritten_lobs'
# with LobBuffer instances.
# Those instances are in the same order as 'locator_ids' received in the reply message. These IDs
# are then used to deliver the missing LOB data to the server via WRITE_LOB_REQUESTs.
for lob_buffer, lob_locator_id in izip(unwritten_lobs, part.locator_ids):
# store locator_id in every lob buffer instance for later reference:
lob_buffer.locator_id = lob_locator_id
self._perform_lob_write_requests(unwritten_lobs)
else:
raise InterfaceError("Prepared insert statement response, unexpected part kind %d." % part.kind)
self._executed = True