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EventQL Parser\n\n[![Crates.io][crates-badge]][crates-url]\n[![Crates.io][crates-download]][crates-url]\n[![Build Status][ci-badge]][ci-url]\n![Crates.io](https://img.shields.io/crates/l/eventql-parser.svg)\n\n[crates-badge]: https://img.shields.io/crates/v/eventql-parser.svg\n[crates-download]: https://img.shields.io/crates/d/eventql-parser.svg\n[crates-url]: https://crates.io/crates/eventql-parser\n[ci-badge]: https://github.com/YoEight/eventql-parser/workflows/CI/badge.svg\n[ci-url]: https://github.com/YoEight/eventql-parser/actions\n\nA complete lexer and parser for EventQL (EQL), a query language designed for event sourcing systems.\n\n## Features\n\n- **Complete EventQL Support**: Parse queries with FROM, WHERE, GROUP BY, ORDER BY, LIMIT, and PROJECT clauses\n- **Rich Expression Language**: Supports arithmetic, comparison, logical operators, and field access\n- **Detailed Error Reporting**: Position-aware error messages with line and column numbers\n- **Type-Safe AST**: Strongly-typed abstract syntax tree for query analysis and execution\n- **Static Analysis**: Provides optional static analysis to catch even more errors before running a query\n\n## Quick Start\n\n```rust\nuse eventql_parser::Session;\n\nfn main() {\n    let mut session = Session::builder().build();\n    let query = session.parse(\n        \"FROM e IN events WHERE e.id == 1 PROJECT INTO e\"\n    ).unwrap();\n\n    println!(\"Parsed query: {:?}\", query);\n}\n```\n\n## EventQL Language\n\nEventQL supports querying event streams with a SQL-like syntax:\n\n```sql\nFROM e IN events\nWHERE e.price \u003e 100 AND e.category == \"electronics\"\nORDER BY e.timestamp DESC\nLIMIT 10\nPROJECT INTO { id: e.id, price: e.price }\n```\n\n## Acknowledgements\n\nThis parser is based on the EventQL language specification from [EventSourcingDB] by The Native Web.\nEventSourcingDB is an event store database that provides a powerful query language (EventQL) for querying and analyzing event streams in event-sourced systems.\n\n[The EventQL Reference]\n\n## License\n\nMIT\n\n[EventSourcingDB]: https://www.thenativeweb.io/products/eventsourcingdb\n[The EventQL Reference]: https://docs.eventsourcingdb.io/reference/eventql/\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fyoeight%2Feventql-parser","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fyoeight%2Feventql-parser","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fyoeight%2Feventql-parser/lists"}