superfly/corrosion

Emulate information_schema in the pg_listener

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#372 opened on Oct 6, 2025

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Description

Right now tools like table plus are unable to know which tables are available when connecting via the PG listener. What currently works is that we are able to list the available databases.

Contributor guide

Research direction
Investigate how the pg listener currently handles SQL queries and how information schema is implemented in PostgreSQL databases. Identify which tables and columns are needed by clients, and design a minimal emulation layer.
Tech stack
postgresqlrustsql
Domain
backenddatabase
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
3-5 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
GitRustPostgreSQL protocol
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
35