fix: Column quoting in query of PostgreSQLOfflineStore.pull_all_from_table_or_query (#5621)

* Fix column quoting issue in query in `PostgreSQLOfflineStore.pull_all_from_table_or_query`

Signed-off-by: Hung Nguyen <[email protected]>

* fix: failing test due to changes in expected query

Signed-off-by: Hung Nguyen <[email protected]>

---------

Signed-off-by: Hung Nguyen <[email protected]>

Author: hungnguyen94

sdk/python/feast/infra/offline_stores/contrib/postgres_offline_store/postgres.py

@@ -280,7 +280,10 @@ def pull_all_from_table_or_query(
         if created_timestamp_column:
             timestamp_fields.append(created_timestamp_column)
         field_string = ", ".join(
-            join_key_columns + feature_name_columns + timestamp_fields
+            _append_alias(
+                join_key_columns + feature_name_columns + timestamp_fields,
+                "paftoq_alias",
+            )
         )
 
         timestamp_filter = get_timestamp_filter_sql(

sdk/python/tests/unit/infra/offline_stores/contrib/postgres_offline_store/test_postgres.py

@@ -184,7 +184,7 @@ def test_pull_all_from_table_or_query(mock_get_conn):
     actual_query = retrieval_job.to_sql().strip()
     logger.debug("Actual query:\n%s", actual_query)
 
-    expected_query = """SELECT key1, key2, feature1, feature2, event_published_datetime_utc
+    expected_query = """SELECT paftoq_alias."key1", paftoq_alias."key2", paftoq_alias."feature1", paftoq_alias."feature2", paftoq_alias."event_published_datetime_utc"
             FROM offline_store_database_name.offline_store_table_name AS paftoq_alias
             WHERE "event_published_datetime_utc" BETWEEN '2021-01-01 00:00:00+00:00'::timestamptz AND '2021-01-02 00:00:00+00:00'::timestamptz"""  # noqa: W293