Add initial Table APIs to local.FeatureStore#2
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May 4, 2020 14:22
The python local.FeatureStore can read a CSV and turn it into a table. The local table can performed indexed look ups via a primary key. The local.FeatureStore will grow into a version of StreamSQL that can be used locally, though it will likely have a subset of the core functionality since it doesn't make much sense to have Kafka and other streaming primitives locally. The local.Table is a thin wrapper over a pandas dataframe to allow us to use the pandasql package to mimic core feature store functionality locally.
materialize_table allows new tables to be created by applying a SQL query on existing ones.
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local.FeatureStore can create tables from CSV files and materialize new ones using SQL.