feat: upsert aggregates to silver

inigohidalgo / prefect-polygon-etl

ELT for Polygon.io financial data using Prefect

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Closed inigohidalgo closed 4 months ago

inigohidalgo commented 4 months ago

add a new package delta-rs-etl containing an upsert function using deltalake
organize code into submodules to make code importable
organize flows into separate steps in bronze and silver