Jev in production › SQL and data pipelines

jev4pg

Adds 41 Jev operators for filtering, extraction, ranking and verification to a semantic layer over PostgreSQL text-to-SQL queries (Sheltercosmo).

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Use
SQL and data pipelines
Industry
Data and analytics
Form
Open-source tool
Stage
Announced
Plugs into
PostgreSQL
Listed
2026-10-04
Found via
github
Repository
Sheltercosmo/jev4pg
Stars
238
Forks
17
Last push
2026-10-07
Language
Python
License
Apache-2.0

The README opens with

Natural language to SQL and semantic operators for PostgreSQL

Website · Quick start · Existing PostgreSQL · Advantages · Benchmark · What you can build · Project guide · Installation · User guide · 简体中文 · Function reference · Documentation

jev4pg is a carefully designed JEV harness, brings semantic intelligence to PostgreSQL with a comprehensive toolkit of 41 JEV operators for filtering, extraction, ranking, matching and verification. Build semantic search, document workflows and analyst tools on your existing data, with natural-language queries in English and Simplified Chinese.

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For the project's own README, linking back here:

Listed in Jev in production

Also used for sql and data pipelines