driver
) and two features (trips_today
, and rating
).materialize_incremental
command, which fetches the latest values for all entities in the batch source and ingests these values into the online store.schema
parameter is not specified when defining a data source, Feast attempts to infer the schema of the data source during feast apply
. The way it does this depends on the implementation of the offline store. For the offline stores that ship with Feast out of the box this inference is performed by inspecting the schema of the table in the cloud data warehouse, or if a query is provided to the source, by running the query with a LIMIT
clause and inspecting the result.