A Deep Dive into PromQL — Promql Parser v0.1.0 Written in Rust is Now Available

• greptimedb

  16 3,743 9.9 Rust

  An open-source, cloud-native, distributed time-series database with PromQL/SQL/Python supported. Available on GreptimeCloud.

  

To explore data stored in GreptimeDB through PromQL, GreptimeDB needs to provide the ability to parse the query into AST (abstract syntax tree), and retrieve data from memory or disk via logical and physical plans. Since there is no ready-to-use PromQL Rust Parser, our team decides to develop it by ourselves. We’re glad to announce that promql-parser v0.1.0 is now available.

• promql-parser

  2 46 4.8 Rust

  PromQL Rust parser

  

All the code is now open sourced on GitHub, find it here.

• WorkOS

  workos.com sponsored

  The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  

• prometheus-parser-rs

  1 12 4.1 Rust

  a Rust library for parsing and validating Prometheus query expressions

  

Interesting. There is one existing parser, that I've used with success https://github.com/HewlettPackard/prometheus-parser-rs . I wonder how they compare.

• grmtools

  2 471 7.7 Rust

  Rust grammar tool libraries and binaries

  

prometheus-parser-rs implement the parser via pest, while promql-parser using grmtools, which is compatible with Yacc. promql-parser declares compatible with prometheus and covers most of the test cases in original Prometheus, which ensures you better compliance.

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