Sohu Tech Products
Dec 2, 2020 · Big Data
Optimizing Hive SQL Lineage Parsing: Techniques, Implementation, and Practical Insights
This article presents a comprehensive overview of Hive SQL lineage parsing, detailing the challenges of data provenance in large‑scale data warehouses, introducing ANTLR‑based parsing techniques, and describing a series of optimizations—including AST pruning, CTE handling, UDF registration, and metadata service integration—to improve both table‑level and column‑level lineage extraction and visualization.
ANTLRHiveSQL Lineage
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