def get_tables(service, session_handle, database_name='.*'):
req = TGetTablesReq(sessionHandle=session_handle,
schemaName=database_name,
tableName='.*')
log.debug('get_tables: req=%s', req)
resp = service.GetTables(req)
log.debug('get_tables: resp=%s', resp)
err_if_rpc_not_ok(resp)
return resp.operationHandle
def table_exists(service,
session_handle,
hs2_protocol_version,
table_name,
database_name='.*'):
req = TGetTablesReq(sessionHandle=session_handle,
schemaName=database_name,
tableName=table_name)
log.debug('table_exists: req=%s', req)
resp = service.GetTables(req)
log.debug('table_exists: resp=%s', resp)
err_if_rpc_not_ok(resp)
operation_handle = resp.operationHandle
# this only fetches default max_rows, but there should only be one row
# ideally
results = fetch_results(service=service,
operation_handle=operation_handle,
hs2_protocol_version=hs2_protocol_version)
exists = False
for result in results:
if result[2].lower() == table_name.lower():
exists = True
close_operation(service, operation_handle)
return exists
def get_tables(self, database='.*', table_like='.*'):
req = TGetTablesReq(sessionHandle=self.handle,
schemaName=database,
tableName=table_like)
return self._operation('GetTables', req)