def get_databases(service, session_handle):
req = TGetSchemasReq(sessionHandle=session_handle, schemaName='.*')
log.debug('get_databases: req=%s', req)
resp = service.GetSchemas(req)
log.debug('get_databases: resp=%s', resp)
err_if_rpc_not_ok(resp)
return resp.operationHandle
def database_exists(service, session_handle, hs2_protocol_version, db_name):
req = TGetSchemasReq(sessionHandle=session_handle, schemaName=db_name)
log.debug('database_exists: req=%s', req)
resp = service.GetSchemas(req)
log.debug('database_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[0].lower() == db_name.lower():
exists = True
close_operation(service, operation_handle)
return exists
def get_databases(self, schema='.*'):
req = TGetSchemasReq(sessionHandle=self.handle, schemaName=schema)
return self._operation('GetSchemas', req)