Tom Lane deleted `array_nulls` in PostgreSQL 20, but `pg_dump` never set it, so restores into databases with it disabled silently corrupt text arrays. (I consult on PostgreSQL through PGX Inc..)
Yay, “That time of the year”™ again soon 🎉 This time maybe with a bit more fuzz / excitement / anxiety as usual - due to various obstacles surrounding the release as detailed in a few recent posts by various people. Not going into the “Is…

Ask anyone who runs a multi-node MySQL Galera Cluster in production about their worst night. Almost nobody says write-set replication was wrong. They say something closer to this: “All queries piling up… no error messages in logs.” Twenty…
On September 30, AWS announced that Aurora PostgreSQL can now query Apache Iceberg and Parquet data directly. That brings the number of things a vendor might mean by “Postgres reads Iceberg” to at least four, and they have about as much in…