From Tables to Transformations – Rich Column-Level Lineage in Presto with OpenLineage
Summary: Presto’s OpenLineage integration now captures not only where output columns come from, but how upstream columns influence them through projections, aggregations, joins, filters, grouping, sorting, windows, and conditional expressions. Note: The OpenLineage event listener was released in Presto 0.297. The richer direct and indirect column-lineage changes described in this post are merged into master,…