Possibility to specify a project for BigQuery queries (#1656)

Signed-off-by: Matt Delacour <matt.delacour@shopify.com>

Co-authored-by: Achal Shah <achals@gmail.com>

sdk/python/feast/infra/offline_stores/bigquery.py

@@ -94,8 +94,14 @@ def get_historical_features(
         expected_join_keys = _get_join_keys(project, feature_views, registry)
 
         assert isinstance(config.offline_store, BigQueryOfflineStoreConfig)
+        dataset_project = config.offline_store.project_id or client.project
+
         table = _upload_entity_df_into_bigquery(
-            client, config.project, config.offline_store.dataset, entity_df
+            client=client,
+            project=config.project,
+            dataset_name=config.offline_store.dataset,
+            dataset_project=dataset_project,
+            entity_df=entity_df,
         )
 
         entity_df_event_timestamp_col = _infer_event_timestamp_from_bigquery_query(
@@ -225,7 +231,8 @@ def _block_until_done():
 
         today = date.today().strftime("%Y%m%d")
         rand_id = str(uuid.uuid4())[:7]
-        path = f"{self.client.project}.{self.config.offline_store.dataset}.historical_{today}_{rand_id}"
+        dataset_project = self.config.offline_store.project_id or self.client.project
+        path = f"{dataset_project}.{self.config.offline_store.dataset}.historical_{today}_{rand_id}"
         job_config = bigquery.QueryJobConfig(destination=path, dry_run=dry_run)
         bq_job = self.client.query(self.query, job_config=job_config)
 
@@ -261,12 +268,12 @@ class FeatureViewQueryContext:
 
 
 def _get_table_id_for_new_entity(
-    client: Client, project: str, dataset_name: str
+    client: Client, project: str, dataset_name: str, dataset_project: str
 ) -> str:
     """Gets the table_id for the new entity to be uploaded."""
 
     # First create the BigQuery dataset if it doesn't exist
-    dataset = bigquery.Dataset(f"{client.project}.{dataset_name}")
+    dataset = bigquery.Dataset(f"{dataset_project}.{dataset_name}")
     dataset.location = "US"
 
     try:
@@ -275,18 +282,21 @@ def _get_table_id_for_new_entity(
         # Only create the dataset if it does not exist
         client.create_dataset(dataset, exists_ok=True)
 
-    return f"{client.project}.{dataset_name}.entity_df_{project}_{int(time.time())}"
+    return f"{dataset_project}.{dataset_name}.entity_df_{project}_{int(time.time())}"
 
 
 def _upload_entity_df_into_bigquery(
     client: Client,
     project: str,
     dataset_name: str,
+    dataset_project: str,
     entity_df: Union[pandas.DataFrame, str],
 ) -> Table:
     """Uploads a Pandas entity dataframe into a BigQuery table and returns the resulting table"""
 
-    table_id = _get_table_id_for_new_entity(client, project, dataset_name)
+    table_id = _get_table_id_for_new_entity(
+        client, project, dataset_name, dataset_project
+    )
 
     if type(entity_df) is str:
         job = client.query(f"CREATE TABLE {table_id} AS ({entity_df})")

sdk/python/feast/repo_config.py

@@ -50,7 +50,10 @@ class BigQueryOfflineStoreConfig(FeastBaseModel):
     """ Offline store type selector"""
 
     dataset: StrictStr = "feast"
-    """ (optional) BigQuery Dataset name for temporary tables """
+    """ (optional) BigQuery dataset name used for the BigQuery offline store """
+
+    project_id: Optional[StrictStr] = None
+    """ (optional) GCP project name used for the BigQuery offline store """
 
 
 OfflineStoreConfig = Union[FileOfflineStoreConfig, BigQueryOfflineStoreConfig]