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Queryparser is Uber’s open-source Haskell library for parsing and analyzing SQL queries written in different dialects (Vertica, Hive, Presto). It creates a unified AST and supports name resolution using catalog metadata, enabling large-scale query analysis for lineage detection, analytics, and tooling.
Features
- Parses multiple SQL dialects: Vertica, Hive, Presto
- Produces a normalized AST for cross-dialect query representation
- Supports name resolution via schema/catalog information to fully qualify identifiers
- Designed for large-scale streaming query analysis pipelines
- Used to uncover foreign-key relationships and metadata across data warehouses
- MIT-licensed and built for integration into analytics ecosystems
Project Samples
Categories
Parser GeneratorsLicense
MIT LicenseFollow Queryparser
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