- If you're attending Swiss PGDay 🇨🇭 do not miss Xata's talks! @apatheticmagpie.bsky.social will deliver her talk, "Anatomy of Table-level locks in PostgreSQL" 🔐 at 10:20 today and Andrew Farries will talk about "Postgres schema migrations using the expand/contract pattern" 🛠️ tomorrow at 13:00.Jun 26, 2025 07:55