vivo Internet Technology
Apr 20, 2022 · Big Data
Implementing Field Lineage in Spark SQL: A Technical Deep Dive
The article details how to add field‑lineage tracking to Spark SQL by creating a custom SparkSessionExtension that injects a check‑analysis rule and a parser, which capture INSERT statements, analyze the physical plan, and generate a JSON mapping of source‑to‑target fields for data governance.
Data TransformationField LineageLogical Plan
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