pgsql-parser
The PostgreSQL Parser for Node.js
The real PostgreSQL parser for Node.js that interprets and converts PostgreSQL syntax. Uses actual PostgreSQL C parser via WebAssembly for symmetric parsing and deparsing with battle-tested reliability.
Real PostgreSQL Parser
Uses actual PostgreSQL C parser via WebAssembly
Symmetric Operations
Parse SQL to AST and deparse AST back to SQL
Battle-Tested
Tested with 23,000+ SQL statements
pgsql-parser Features
Professional-grade PostgreSQL parsing and AST manipulation
Authentic PostgreSQL Parser
Uses the actual PostgreSQL C parser via WebAssembly, ensuring 100% compatibility with PostgreSQL syntax.
Symmetric Parsing and Deparsing
Parse SQL statements to AST and convert AST back to SQL with perfect round-trip fidelity.
Battle-Tested Reliability
Extensively tested with over 23,000 SQL statements to ensure robust parsing of complex queries.
AST Manipulation
Programmatically modify, analyze, and transform PostgreSQL queries through Abstract Syntax Tree manipulation.
WebAssembly Performance
Leverages WebAssembly for near-native performance while maintaining JavaScript accessibility.
TypeScript Support
Full TypeScript definitions for AST nodes, enabling type-safe query manipulation and analysis.
Basic SQL Parsing and Deparsing
Parse SQL statements into AST and convert them back to SQL with perfect fidelity using the real PostgreSQL parser.
AST Manipulation and Transformation
Modify SQL queries by manipulating their AST representation, enabling powerful query transformation capabilities.