search

azavea / osmesa

OSMesa is an OpenStreetMap processing stack based on GeoTrellis and Apache Spark
Apache License 2.0
79 stars 26 forks source link

Modify ChangesetStats to produced normalized data #129

Closed mojodna closed 5 years ago

mojodna commented 5 years ago

This makes it easier to populate an empty database with backfilled statistics.

A number of UDFs were rewritten as functions operating on Columns to improve performance (no need to fully deserialize when using the latter).