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    Simon Willison (simon@fedi.simonwillison.net)'s status on Wednesday, 11-Mar-2026 10:15:48 JSTSimon WillisonSimon Willison

    Got excited about a brand new PostgreSQL 18 feature (for simulating production query plan statistics locally), posted about it on the SQLite forum... and got a reply from D. Richard Hipp within minutes that SQLite has had the same ability for years https://simonwillison.net/2026/Mar/9/production-query-plans-without-production-data/

    In conversationabout 5 months ago from fedi.simonwillison.netpermalink

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      Production query plans without production data
      from @simonw
      Radim Marek describes the new pg_restore_relation_stats() and pg_restore_attribute_stats() functions that were introduced in PostgreSQL 18 in September 2025. The PostgreSQL query planner makes use of internal statistics to help it …
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