GoKawiilDeveloper releases pgVolvra, a SQL-only undo tool for Postgres row changes
Muhammad Aqeel built pgVolvra, a tool that logs every row change—before and after values, author, timestamp, and transaction—on chosen Postgres tables so individual mistaken changes can be reversed without a full database restore. It is implemented entirely in plain SQL and PL/pgSQL, requiring no compiled extension, superuser access, or filesystem access, and installs by running a single SQL file against the database.
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Postgres currently lacks a built-in equivalent to Oracle's Flashback, forcing teams to recover from bad statements via lengthy point-in-time restores that tie up senior engineers and risk further errors. By working purely through SQL, pgVolvra could run on managed Postgres services that block custom extensions, potentially making targeted row-level undo accessible to a much wider set of users than existing recovery methods allow.
- pgVolvra logs per-row before/after states, user, time, and transaction for chosen tables.
- It requires no extensions, superuser rights, or server filesystem access, so it can run on managed Postgres.
- Installation is a single SQL script; users then opt in tables for tracking before changes are recorded.
Source: pgedge.com — October, 2026-10-26
Published there as: “Muhammad Aqeel: Undo for Postgres, without losing the rest of your day”
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