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fix: Snowflake remote storage #3574

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Merged
felixwang9817 merged 5 commits into from
Apr 3, 2023
Merged

fix: Snowflake remote storage #3574

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41516f5
fix: Snowflake remote storage
adamschmidt Mar 28, 2023
934bfdf
fix: lint
adamschmidt Mar 28, 2023
ca5d4ce
fix: field string build
adamschmidt Mar 29, 2023
d1d4c0d
fix: join typo
adamschmidt Mar 29, 2023
bfa5b31
fix: formatting
adamschmidt Mar 29, 2023
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22 changes: 20 additions & 2 deletions sdk/python/feast/infra/offline_stores/snowflake.py
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Original file line number Diff line number Diff line change
Expand Up @@ -109,6 +109,9 @@ class SnowflakeOfflineStoreConfig(FeastConfigBaseModel):
blob_export_location: Optional[str] = None
""" Location (in S3, Google storage or Azure storage) where data is offloaded """

convert_timestamp_columns: Optional[bool] = None
""" Convert timestamp columns on export to a Parquet-supported format """

class Config:
allow_population_by_field_name = True

Expand Down Expand Up @@ -152,6 +155,21 @@ def pull_latest_from_table_or_query(
+ '"'
)

if config.offline_store.convert_timestamp_columns:
select_timestamps = list(map(lambda field_name: f"to_varchar({field_name}, 'YYYY-MM-DD\"T\"HH24:MI:SS.FFTZH:TZM') as {field_name}", timestamp_columns))
inner_field_string = (
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'"'
+ '", "'.join(join_key_columns + feature_name_columns)
+ '", '
+ ", ".join(select_timestamps)
)
else:
inner_field_string = (
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'"'
+ '", "'.join(join_key_columns + feature_name_columns + timestamp_columns)
+ '"'
)

if data_source.snowflake_options.warehouse:
config.offline_store.warehouse = data_source.snowflake_options.warehouse

Expand All @@ -166,7 +184,7 @@ def pull_latest_from_table_or_query(
{field_string}
{f''', TRIM({repr(DUMMY_ENTITY_VAL)}::VARIANT,'"') AS "{DUMMY_ENTITY_ID}"''' if not join_key_columns else ""}
FROM (
SELECT {field_string},
SELECT {inner_field_string},
ROW_NUMBER() OVER({partition_by_join_key_string} ORDER BY {timestamp_desc_string}) AS "_feast_row"
FROM {from_expression}
WHERE "{timestamp_field}" BETWEEN TIMESTAMP '{start_date}' AND TIMESTAMP '{end_date}'
Expand Down Expand Up @@ -533,7 +551,7 @@ def to_remote_storage(self) -> List[str]:
self.to_snowflake(table)

query = f"""
COPY INTO '{self.config.offline_store.blob_export_location}/{table}' FROM "{self.config.offline_store.database}"."{self.config.offline_store.schema_}"."{table}"\n
COPY INTO '{self.export_path}/{table}' FROM "{self.config.offline_store.database}"."{self.config.offline_store.schema_}"."{table}"\n
STORAGE_INTEGRATION = {self.config.offline_store.storage_integration_name}\n
FILE_FORMAT = (TYPE = PARQUET)
DETAILED_OUTPUT = TRUE
Expand Down