def prepare_query(self, query):
pquery, paramnames = prepare_query(query)
prepared = self._connection.wait_for_request(PrepareMessage(query=pquery))
if isinstance(prepared, ErrorMessage):
raise cql.Error('Query preparation failed: %s' % prepared.summarymsg())
if prepared.kind != ResultMessage.KIND_PREPARED:
raise cql.InternalError('Query preparation did not result in prepared query')
queryid, colspecs = prepared.results
kss, cfs, names, ctypes = zip(*colspecs)
return PreparedQuery(query, queryid, ctypes, paramnames)
def prepare_query(self, query):
pquery, paramnames = prepare_query(query)
prepared = self._connection.wait_for_request(PrepareMessage(query=pquery))
if isinstance(prepared, ErrorMessage):
raise cql.Error('Query preparation failed: %s' % prepared.summarymsg())
if prepared.kind != ResultMessage.KIND_PREPARED:
raise cql.InternalError('Query preparation did not result in prepared query')
queryid, colspecs = prepared.results
kss, cfs, names, ctypes = zip(*colspecs)
return PreparedQuery(query, queryid, ctypes, paramnames)
def prepare_query(self, query):
if isinstance(query, unicode):
raise ValueError("CQL query must be bytes, not unicode")
prepared_q_text, paramnames = prepare_query(query)
compressed_q, compression = self.compress_query_text(prepared_q_text)
presult = self._connection.client.prepare_cql_query(compressed_q, compression)
assert presult.count == len(paramnames)
if presult.variable_types is None and presult.count > 0:
raise cql.ProgrammingError("Cassandra did not provide types for bound"
" parameters. Prepared statements are only"
" supported with cql3.")
return PreparedQuery(query, presult.itemId, presult.variable_types, paramnames)
def prepare_query(self, query):
if isinstance(query, unicode):
raise ValueError("CQL query must be bytes, not unicode")
prepared_q_text, paramnames = prepare_query(query)
compressed_q, compression = self.compress_query_text(prepared_q_text)
presult = self._connection.client.prepare_cql_query(
compressed_q, compression)
assert presult.count == len(paramnames)
if presult.variable_types is None and presult.count > 0:
raise cql.ProgrammingError(
"Cassandra did not provide types for bound"
" parameters. Prepared statements are only"
" supported with cql3.")
return PreparedQuery(query, presult.itemId, presult.variable_types,
paramnames)