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7 changes: 6 additions & 1 deletion airflow/providers/google/cloud/operators/bigquery.py
Original file line number Diff line number Diff line change
Expand Up @@ -893,10 +893,15 @@ def execute(self, context: Context):

if not self.deferrable:
self.log.info(
'Fetching Data from %s.%s max results: %s', self.dataset_id, self.table_id, self.max_results
'Fetching Data from %s.%s.%s max results: %s',
self.project_id,
self.dataset_id,
self.table_id,
self.max_results,
)
if not self.selected_fields:
schema: dict[str, list] = hook.get_schema(
project_id=self.project_id,
dataset_id=self.dataset_id,
table_id=self.table_id,
)
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27 changes: 27 additions & 0 deletions tests/providers/google/cloud/operators/test_bigquery.py
Original file line number Diff line number Diff line change
Expand Up @@ -746,6 +746,33 @@ def test_execute(self, mock_hook):
location=TEST_DATASET_LOCATION,
)

@mock.patch('airflow.providers.google.cloud.operators.bigquery.BigQueryHook')
def test_bigquery_getdata_operator_when_no_selected_fields(self, mock_hook):

max_results = 100
operator = BigQueryGetDataOperator(
task_id=TASK_ID,
dataset_id=TEST_DATASET,
table_id=TEST_TABLE_ID,
project_id=TEST_GCP_PROJECT_ID,
max_results=max_results,
location=TEST_DATASET_LOCATION,
)
operator.execute(None)

mock_hook.return_value.get_schema.assert_called_once_with(
project_id=TEST_GCP_PROJECT_ID, dataset_id=TEST_DATASET, table_id=TEST_TABLE_ID
)

mock_hook.return_value.list_rows.assert_called_once_with(
dataset_id=TEST_DATASET,
table_id=TEST_TABLE_ID,
project_id=TEST_GCP_PROJECT_ID,
max_results=max_results,
location=TEST_DATASET_LOCATION,
selected_fields=None,
)


class TestBigQueryTableDeleteOperator(unittest.TestCase):
@mock.patch('airflow.providers.google.cloud.operators.bigquery.BigQueryHook')
Expand Down