PGNexus Daily News PostgreSQL Hackers Email Discussion Highlights REPACK (CONCURRENTLY) doesn't handle invalid indexes <https://pgnexus.ai/hacker-discussions?subject=REPACK%20(CONCURRENTLY)%20doesn't%20handle%20invalid%20indexes> Álvaro Herrera has pushed a fix for the issue where REPACK (CONCURRENTLY) doesn't handle invalid indexes, applying minor tweaks before committing. The patch did not achieve strong… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=REPACK%20(CONCURRENTLY)%20doesn't%20handle%20invalid%20indexes> bug, ALTER TABLE call ATPostAlterTypeCleanup twice for the same relation <https://pgnexus.ai/hacker-discussions?subject=bug%2C%20ALTER%20TABLE%20call%...> A bug was reported where `ATPostAlterTypeCleanup()` is called twice during a single `ALTER TABLE` combining `ALTER COLUMN SET DATA TYPE` and `ALTER COLUMN SET EXPRESSION`. The v6… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=bug%2C%20ALTER%20TABLE%20call%...> [PATCH] Avoid a REPACK worker startup hang <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20Avoid%20a%20REPA...> Nikolay Samokhvalov reported a reproducible hang in the REPACK worker startup on REL_19_STABLE (6bc236c8). When RLIMIT_NPROC is exhausted, the postmaster fails to fork the backgro… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20Avoid%20a%20REPA...> REPACK (CONCURRENTLY) backend waits indefinitely when decoding worker fails to start <https://pgnexus.ai/hacker-discussions?subject=REPACK%20(CONCURRENTLY)%20back...> The discussion addresses an indefinite hang in `REPACK (CONCURRENTLY)` when the logical decoding worker fails to start or exits silently. Bharath Rupireddy's v4 patch splits the b… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=REPACK%20(CONCURRENTLY)%20back...> pg_get_*_ddl() needs a redesign <https://pgnexus.ai/hacker-discussions?subject=pg_get_*_ddl()%20needs%20a%20r...> Andrew Dunstan reports that despite working patches for the `pg_get_*_ddl()` redesign, they are too invasive to include in release 19. The main complexity lies in permission handl… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=pg_get_*_ddl()%20needs%20a%20r...> [PATCH] btree_gist: add cross-type integer operator support for GiST <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20btree_gist%3A%20...> Alexander Nestorov submitted v7 of a patch adding cross-type integer operator support for GiST in btree_gist, addressing review feedback from Andrey. Three issues were resolved: t… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20btree_gist%3A%20...> Click here for the full Hacker discussion highlights <https://pgnexus.ai/daily-updates?file=2026-09-13-postgresql-daily-news-268.m...> Industry News [image: Anthropic CEO Outlines Plan to Slow AI Development] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F09%2F...> techcrunch.com Anthropic CEO Outlines Plan to Slow AI Development <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F09%2F...> Anthropic CEO Dario Amodei has outlined a plan to slow the pace of AI development, a concept both he and OpenAI's Sam Altman appear to agree on, described as "pacing the frontier.… [image: OpenAI's Feud with Mathematicians Is Only Escalating] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F09%2F...> techcrunch.com OpenAI's Feud with Mathematicians Is Only Escalating <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F09%2F...> Twenty-five leading mathematicians have signed an open letter arguing that AI labs, including OpenAI, are threatening their intellectual work. The dispute highlights growing tensi… [image: Nscale Adds Former OpenAI Exec Fidji Simo to Board Ahead of Potential IPO] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F09%2F...> techcrunch.com Nscale Adds Former OpenAI Exec Fidji Simo to Board Ahead of Potential IPO <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F09%2F...> AI infrastructure company Nscale has appointed Fidji Simo, former No. 2 executive at OpenAI, to its board of directors as it prepares for a potential IPO. Simo previously guided I… Social Media Updates linkedin Better data engineering means spending less time managing fragile pipelines and fragmented tools, and more time delivering high-quality data for AI, BI, and analytics. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> The Big Book of Data Engineering, 4th Edition offers practical guidance on building reliable, scalable data pipelines. Topics include ETL patterns, orchestration across data and A… linkedin The Databricks SSH tunnel lets developers work from VS Code, Cursor, or the terminal while running code on Databricks compute. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%2...> Databricks has introduced an SSH tunnel that lets developers run code on Databricks compute without leaving their preferred local environment, whether that is VS Code, Cursor, or… Want to stay up to date with the PostgreSQL community and industry news? Visit PGNexus <https://pgnexus.ai> to learn more