fix: Remove snowflake source warehouse tech debt (feast-dev#3422)

Signed-off-by: Miles Adkins <miles.adkins@snowflake.com>

protos/feast/core/DataSource.proto

@@ -197,6 +197,8 @@ message DataSource {
 
   // Defines options for DataSource that sources features from a Snowflake Query
   message SnowflakeOptions {
+    reserved 5; // Snowflake warehouse name
+
     // Snowflake table name
     string table = 1;
 
@@ -209,9 +211,6 @@ message DataSource {
 
     // Snowflake schema name
     string database = 4;
-
-    // Snowflake warehouse name
-    string warehouse = 5;
   }
 
   // Defines options for DataSource that sources features from a spark table/query

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

@@ -164,7 +164,7 @@ def pull_latest_from_table_or_query(
             )
             select_timestamps = list(
                 map(
-                    lambda field_name: f"to_varchar({field_name}, 'YYYY-MM-DD\"T\"HH24:MI:SS.FFTZH:TZM') as {field_name}",
+                    lambda field_name: f"TO_VARCHAR({field_name}, 'YYYY-MM-DD\"T\"HH24:MI:SS.FFTZH:TZM') AS {field_name}",
                     timestamp_columns,
                 )
             )
@@ -178,9 +178,6 @@ def pull_latest_from_table_or_query(
             )
             inner_field_string = ", ".join(select_fields)
 
-        if data_source.snowflake_options.warehouse:
-            config.offline_store.warehouse = data_source.snowflake_options.warehouse
-
         with GetSnowflakeConnection(config.offline_store) as conn:
             snowflake_conn = conn
 
@@ -232,9 +229,6 @@ def pull_all_from_table_or_query(
             + '"'
         )
 
-        if data_source.snowflake_options.warehouse:
-            config.offline_store.warehouse = data_source.snowflake_options.warehouse
-
         with GetSnowflakeConnection(config.offline_store) as conn:
             snowflake_conn = conn
 

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

@@ -1,3 +1,4 @@
+import warnings
 from typing import Callable, Dict, Iterable, Optional, Tuple
 
 from typeguard import typechecked
@@ -45,7 +46,6 @@ def __init__(
             timestamp_field (optional): Event timestamp field used for point in time
                 joins of feature values.
             database (optional): Snowflake database where the features are stored.
-            warehouse (optional): Snowflake warehouse where the database is stored.
             schema (optional): Snowflake schema in which the table is located.
             table (optional): Snowflake table where the features are stored. Exactly one of 'table'
                 and 'query' must be specified.
@@ -60,6 +60,14 @@ def __init__(
             owner (optional): The owner of the snowflake source, typically the email of the primary
                 maintainer.
         """
+
+        if warehouse:
+            warnings.warn(
+                "Specifying a warehouse within a SnowflakeSource is to be deprecated."
+                "Starting v0.32.0, the warehouse as part of the Snowflake store config will be used.",
+                RuntimeWarning,
+            )
+
         if table is None and query is None:
             raise ValueError('No "table" or "query" argument provided.')
         if table and query:
@@ -73,7 +81,6 @@ def __init__(
             schema=_schema,
             table=table,
             query=query,
-            warehouse=warehouse,
         )
 
         # If no name, use the table as the default name.
@@ -109,7 +116,6 @@ def from_proto(data_source: DataSourceProto):
             database=data_source.snowflake_options.database,
             schema=data_source.snowflake_options.schema,
             table=data_source.snowflake_options.table,
-            warehouse=data_source.snowflake_options.warehouse,
             created_timestamp_column=data_source.created_timestamp_column,
             field_mapping=dict(data_source.field_mapping),
             query=data_source.snowflake_options.query,
@@ -134,7 +140,6 @@ def __eq__(self, other):
             and self.schema == other.schema
             and self.table == other.table
             and self.query == other.query
-            and self.warehouse == other.warehouse
         )
 
     @property
@@ -157,11 +162,6 @@ def query(self):
         """Returns the snowflake options of this snowflake source."""
         return self.snowflake_options.query
 
-    @property
-    def warehouse(self):
-        """Returns the warehouse of this snowflake source."""
-        return self.snowflake_options.warehouse
-
     def to_proto(self) -> DataSourceProto:
         """
         Converts a SnowflakeSource object to its protobuf representation.
@@ -335,13 +335,11 @@ def __init__(
         schema: Optional[str],
         table: Optional[str],
         query: Optional[str],
-        warehouse: Optional[str],
     ):
         self.database = database or ""
         self.schema = schema or ""
         self.table = table or ""
         self.query = query or ""
-        self.warehouse = warehouse or ""
 
     @classmethod
     def from_proto(cls, snowflake_options_proto: DataSourceProto.SnowflakeOptions):
@@ -359,7 +357,6 @@ def from_proto(cls, snowflake_options_proto: DataSourceProto.SnowflakeOptions):
             schema=snowflake_options_proto.schema,
             table=snowflake_options_proto.table,
             query=snowflake_options_proto.query,
-            warehouse=snowflake_options_proto.warehouse,
         )
 
         return snowflake_options
@@ -376,7 +373,6 @@ def to_proto(self) -> DataSourceProto.SnowflakeOptions:
             schema=self.schema,
             table=self.table,
             query=self.query,
-            warehouse=self.warehouse,
         )
 
         return snowflake_options_proto
@@ -393,7 +389,6 @@ def __init__(self, table_ref: str):
             schema=None,
             table=table_ref,
             query=None,
-            warehouse=None,
         )
 
     @staticmethod

sdk/python/tests/integration/feature_repos/universal/data_sources/snowflake.py

@@ -66,7 +66,6 @@ def create_data_source(
             timestamp_field=timestamp_field,
             created_timestamp_column=created_timestamp_column,
             field_mapping=field_mapping or {"ts_1": "ts"},
-            warehouse=self.offline_store_config.warehouse,
         )
 
     def create_saved_dataset_destination(self) -> SavedDatasetSnowflakeStorage:

sdk/python/tests/unit/test_data_sources.py

@@ -118,7 +118,6 @@ def test_proto_conversion():
     snowflake_source = SnowflakeSource(
         name="test_source",
         database="test_database",
-        warehouse="test_warehouse",
         schema="test_schema",
         table="test_table",
         timestamp_field="event_timestamp",