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PostgreSQL Hackers Email Discussion Highlights

REPACK (CONCURRENTLY) fails with wrong error for materialized views

Bharath Rupireddy reports that `REPACK (CONCURRENTLY)` produces a misleading "no identity index" error when run against a materialized view. A patch is proposed that adds a proper…

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remove_useless_joins vs. bug #19560

A crash was reported by Tender Wang (found via SQLSmith) after commit 2ebf25e7d70a8, which was part of the `remove_useless_joins` fix for bug #19560. The crash occurs when a subqu…

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Randomize B-Tree page split location to avoid oscillating patterns

The thread discusses a patch proposal to randomize B-Tree page split locations in PostgreSQL's nbtree code to reduce oscillating split patterns. Andrey Borodin supports restrictin…

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REASSIGN OWNED vs. relisshared dep on !relisshared

The thread discusses a structural issue with `pg_subscription`, a shared catalog that contains database-specific OIDs, causing problems with `REASSIGN OWNED` and dependency tracki…

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PG19 FK fast path: OOB write and missed FK checks during batched

The thread discusses bugs in PostgreSQL 19's FK fast-path batching layer. Amit Langote previously fixed an out-of-bounds write and missed FK checks, keying the cache by (constrain…

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Changing the state of data checksums in a running cluster

Alexander Lakhin confirmed that Daniel Gustafsson's proposed fix—changing `disable_data_checksums($node)` to `disable_data_checksums($node, wait => 1)`—resolves a timing-related t…

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Social Media Updates

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Genie is changing how teams get answers from their data.

In a DataFramed conversation, Databricks Co-Founder and Chief Architect Reynold Xin discusses how Genie is transforming how teams query and explore data. He explains how he person…

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GLM 5.3 is available as a day 0 release on Databricks!

GLM 5.3 is now available on Databricks as a day-zero release, positioned as the most capable open-weight model currently available. It joins GLM 5.3 Flash and over 30 open-source…

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