Search…
Snowflake

Description

The Snowflake offline store provides support for reading SnowflakeSources.
  • All joins happen within Snowflake.
  • Entity dataframes can be provided as a SQL query or can be provided as a Pandas dataframe. A Pandas dataframes will be uploaded to Snowflake as a temporary table in order to complete join operations.

Getting started

In order to use this offline store, you'll need to run pip install 'feast[snowflake]'.
If you're using a file based registry, then you'll also need to install the relevant cloud extra (pip install 'feast[snowflake, CLOUD]' where CLOUD is one of aws, gcp, azure)
You can get started by then running feast init -t snowflake.

Example

feature_store.yaml
project: my_feature_repo
registry: data/registry.db
provider: local
offline_store:
type: snowflake.offline
account: snowflake_deployment.us-east-1
user: user_login
password: user_password
role: sysadmin
warehouse: demo_wh
database: FEAST
The full set of configuration options is available in SnowflakeOfflineStoreConfig.

Functionality Matrix

The set of functionality supported by offline stores is described in detail here. Below is a matrix indicating which functionality is supported by the Snowflake offline store.
Text
Snowflake
get_historical_features (point-in-time correct join)
yes
pull_latest_from_table_or_query (retrieve latest feature values)
yes
pull_all_from_table_or_query (retrieve a saved dataset)
yes
offline_write_batch (persist dataframes to offline store)
yes
write_logged_features (persist logged features to offline store)
yes
Below is a matrix indicating which functionality is supported by SnowflakeRetrievalJob.
Text
Snowflake
export to dataframe
yes
export to arrow table
yes
export to arrow batches
no
export to SQL
yes
export to data lake (S3, GCS, etc.)
yes
export to data warehouse
yes
export as Spark dataframe
no
local execution of Python-based on-demand transforms
yes
remote execution of Python-based on-demand transforms
no
persist results in the offline store
yes
preview the query plan before execution
yes
read partitioned data
yes
To compare this set of functionality against other offline stores, please see the full functionality matrix.
Last modified 2h ago
Export as PDF
Copy link
Edit on GitHub
On this page
Description
Getting started
Example
Functionality Matrix