flow-php/pg-query-ext

PostgreSQL query parser PHP extension using libpg_query

0.34.3 2026-03-27 20:28 UTC

Requires

• php: ~8.3.0 || ~8.4.0 || ~8.5.0

MIT

• sql
• parser
• postgresql
• extension
• ast
• libpg_query

Extension name: ext-pg_query

Supports Zend Thread Safety (ZTS): ✅

Supports non-Thread Safe mode (NTS): ✅

Supported operating systems: no restrictions

Configure flags:

• --with-pg-query Path to libpg_query installation (optional - will auto-download if not found)

README

A compiled PHP extension for PostgreSQL query parsing using libpg_query, providing SQL parsing into JSON AST, query fingerprinting, normalization, PL/pgSQL parsing, statement splitting, and tokenization.

Important

This repository is a subtree split from our monorepo. If you'd like to contribute, please visit our main monorepo flow-php/flow.

• 📜 Documentation
• ➡️ Installation
• 🛠️ Contributing
• 🚧 Upgrading