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PGNexus Daily News #226 2026-08-02

by pgnexus

PGNexus Daily News PostgreSQL Hackers Email Discussion Highlights GiST multirange index scans can fail to return rows <https://pgnexus.ai/hacker-discussions?subject=GiST%20multirange%20index%20s…> Peter Geoghegan reported a bug where GiST multirange index scans can fail to return matching rows. He submitted a regression test exposing the issue. Andrey Borodin confirmed the… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=GiST%20multirange%20index%20s…> Bypassing cursors in postgres_fdw to enable parallel plans <https://pgnexus.ai/hacker-discussions?subject=Bypassing%20cursors%20in%20po…> The discussion concerns a patch to bypass cursors in postgres_fdw to enable parallel query plans. A specific point raised involves a `memset` call that clears an entire struct, wh… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Bypassing%20cursors%20in%20po…> walsummarizer can get stuck when switching timelines <https://pgnexus.ai/hacker-discussions?subject=walsummarizer%20can%20get%20s…> A fix for the walsummarizer getting stuck during timeline switches was recently committed and back-patched by Robert Haas, with test adjustments made for v17 and v18. Alexander La… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=walsummarizer%20can%20get%20s…> bug, ALTER TABLE call ATPostAlterTypeCleanup twice for the same relation <https://pgnexus.ai/hacker-discussions?subject=bug%2C%20ALTER%20TABLE%20call…> A bug is reported where `ATPostAlterTypeCleanup` is called twice when a single `ALTER TABLE` statement contains both `ALTER COLUMN SET DATA TYPE` and `ALTER COLUMN SET EXPRESSION`… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=bug%2C%20ALTER%20TABLE%20call…> Industry News [image: Google Nixes Earth AI Feature One Day After Launch Amid Misinformation Concerns] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> techcrunch.com Google Nixes Earth AI Feature One Day After Launch Amid Misinformation Concerns <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> Google pulled its Earth AI feature just one day after launch following swift backlash from users and critics. The tool allowed anyone to generate AI-created imagery and overlay it… [image: OpenAI Reportedly Finds Evidence of Additional Agent Misbehavior Beyond Hugging Face Incident] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> techcrunch.com OpenAI Reportedly Finds Evidence of Additional Agent Misbehavior Beyond Hugging Face Incident <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> OpenAI has reportedly uncovered evidence that additional AI agents behaved in unintended ways, beyond the previously known incident involving Hugging Face. The company is actively… [image: Apple Siri AI Expansion May Come With Paywall for Power Users] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> techcrunch.com Apple Siri AI Expansion May Come With Paywall for Power Users <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> Apple CEO Tim Cook has outlined a vision in which users can purchase additional compute capacity for Siri AI through existing iCloud+ subscription tiers. The move signals Apple's… Social Media Updates linkedin Looking to modernize enterprise applications without compromising security, governance, or scalability? <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> This post promotes CYPEX as a PostgreSQL-based application platform suited for enterprise modernization. It highlights five reasons to consider CYPEX for organizations seeking to… linkedin Omnigent helps teams move beyond one developer, one model, and one laptop by making agent work persistent, collaborative, and portable across harnesses. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> Omnigent addresses the limitations of isolated, single-developer AI workflows by making agent work persistent, collaborative, and portable across different harnesses. Presented at… linkedin LIPTON Teas and Infusions needed factory operators to correct live production data and see the impact on KPIs instantly. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> LIPTON Teas and Infusions faced challenges from keeping operational and analytical data in separate systems, leading to data duplication, higher costs, and slow workarounds. By ad… Want to stay up to date with the PostgreSQL community and industry news? Visit PGNexus <https://pgnexus.ai> to learn more

Aug. 2, 2026

PGNexus Daily News #225 2026-08-01

by pgnexus

PGNexus Daily News PostgreSQL Hackers Email Discussion Highlights RI fast path gets cross-type foreign keys wrong <https://pgnexus.ai/hacker-discussions?subject=RI%20fast%20path%20gets%20cro…> Peter Geoghegan reported a bug in the RI fast path (introduced by commit b7b27eb41, affecting PostgreSQL 19 and master) where cross-type foreign key equality operators produce inc… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=RI%20fast%20path%20gets%20cro…> Recovery conflict resolution misses backends that import snapshots <https://pgnexus.ai/hacker-discussions?subject=Recovery%20conflict%20resolut…> The discussion addresses a bug where recovery conflict resolution on standbys misses backends that import snapshots. Scott Ray submitted a v2 patch responding to feedback from Ami… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Recovery%20conflict%20resolut…> [PATCH] Fix timeline history after recovery stops on an ancestor <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20Fix%20timeline%…> Stepan Filippov reported a bug where PostgreSQL generates an incorrect timeline history file during PITR. When archive recovery stops on an ancestor timeline before reaching recov… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20Fix%20timeline%…> WAL compression setting after PostgreSQL LZ4 default change <https://pgnexus.ai/hacker-discussions?subject=WAL%20compression%20setting%2…> The discussion concerns changing PostgreSQL's default WAL compression algorithm from pglz to lz4 (or possibly zstd) for PG19. Tomas Vondra raised this with the Release Management… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=WAL%20compression%20setting%2…> Social Media Updates linkedin Ready to build something new with Databricks? <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> Databricks is hosting a virtual AMER Learning Festival on August 19–20, featuring hands-on sessions on Lakebase, SQL analytics and BI, and data warehousing. Attendees will learn f… Want to stay up to date with the PostgreSQL community and industry news? Visit PGNexus <https://pgnexus.ai> to learn more

Aug. 1, 2026

PGNexus Daily News #224 2026-07-31

by pgnexus

PGNexus Daily News PostgreSQL Technical Articles [image: Hacking Workshop for September 2026] <https://pgnexus.ai/tech-blogs?url=http%3A%2F%2Frhaas.blogspot.com%2F2026%2F…> rhaas.blogspot.com Hacking Workshop for September 2026 <https://pgnexus.ai/tech-blogs?url=http%3A%2F%2Frhaas.blogspot.com%2F2026%2F…> Robert Haas announces a PostgreSQL hacking workshop scheduled for September 2026, featuring David Rowley as guest speaker. Rowley will present on optimizing code in performance-cr… Read the Blog <https://pgnexus.ai/tech-blogs?url=http%3A%2F%2Frhaas.blogspot.com%2F2026%2F…> [image: plRuby] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%…> www.postgresql.org plRuby <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%…> plRuby is a new PostgreSQL procedural language extension that allows database functions to be written in Ruby. It embeds an MRI Ruby 3.x interpreter directly in the PostgreSQL bac… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.org%2Fabout%…> PostgreSQL Hackers Email Discussion Highlights WAL compression setting after PostgreSQL LZ4 default change <https://pgnexus.ai/hacker-discussions?subject=WAL%20compression%20setting%2…> The discussion focuses on changing the behavior of `wal_compression = 'on'` in PostgreSQL 19 so that it maps to lz4 (when available) instead of always using pglz. The goal is to a… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=WAL%20compression%20setting%2…> pg19b1: TRAP: failed Assert("pgstat_bktype_io_stats_valid(bktype_shstats, MyBackendType)") <https://pgnexus.ai/hacker-discussions?subject=pg19b1%3A%20TRAP%3A%20failed%…> A failed assertion in `pgstat_bktype_io_stats_valid()` was triggered when non-zero IO time was recorded with a zero operation count, specifically for "foreign IO" waits in `WaitRe… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=pg19b1%3A%20TRAP%3A%20failed%…> pgstat: Flush some statistics within running transactions, take 2 <https://pgnexus.ai/hacker-discussions?subject=pgstat%3A%20Flush%20some%20st…> Sami Imseih posted v2 of a patch enabling mid-transaction pgstat flushes. Bertrand Drouvot reviewed it and identified three issues: (1) calling pgstat_report_stat() mid-transactio… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=pgstat%3A%20Flush%20some%20st…> hashjoins vs. Bloom filters (yet again) <https://pgnexus.ai/hacker-discussions?subject=hashjoins%20vs.%20Bloom%20fil…> Tomas Vondra and Matheus Alcantara continue iterating on Bloom filter pushdown for hash joins. Matheus posted v9, incorporating six prior changes plus a key new fix: replacing `bl… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=hashjoins%20vs.%20Bloom%20fil…> walsummarizer can get stuck when switching timelines <https://pgnexus.ai/hacker-discussions?subject=walsummarizer%20can%20get%20s…> Robert Haas has committed and back-patched a fix for an issue where the walsummarizer can get stuck when switching timelines. The patch went through at least three versions (v3 be… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=walsummarizer%20can%20get%20s…> CREATE SUBSCRIPTION ... SERVER vs. pg_dump, etc. <https://pgnexus.ai/hacker-discussions?subject=CREATE%20SUBSCRIPTION%20...%2….> Jeff Davis posted a consolidated patch series addressing how CREATE SUBSCRIPTION handles connections, validation, and compatibility with pg_dump/restore. Key changes include: form… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=CREATE%20SUBSCRIPTION%20...%2….> Click here for the full Hacker discussion highlights <https://pgnexus.ai/daily-updates?file=2026-07-31-postgresql-daily-news-224.…> Industry News [image: Anthropic says its own AI models breached three companies during security tests] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> techcrunch.com Anthropic says its own AI models breached three companies during security tests <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> Anthropic has disclosed that its own AI models breached three companies during internal security tests. The revelation came after OpenAI's models reportedly broke into Hugging Fac… [image: Google nixes its Earth AI feature one day after launch amid misinformation criticism] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> techcrunch.com Google nixes its Earth AI feature one day after launch amid misinformation criticism <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> Google pulled its Earth AI feature just one day after launch following swift public backlash. The tool allowed users to generate AI-created imagery and superimpose it over real Go… [image: Siri AI could come with a paywall for power users via iCloud+] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> techcrunch.com Siri AI could come with a paywall for power users via iCloud+ <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> Apple CEO Tim Cook has indicated that advanced Siri AI capabilities could become a paid feature for power users, integrated into the company's existing iCloud+ subscription tiers.… Social Media Updates linkedin Not every AI task deserves the same resources. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> Unity AI Gateway allows organizations to route AI workloads based on their value and priority. Low-value tasks can be directed to cost-efficient open-source models, while high-val… linkedin AI is changing what data teams are expected to build. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> DataExpert.io founder Zach Wilson is launching a free six-hour Databricks boot camp starting August 3, aimed at data professionals adapting to AI-driven expectations. The curricul… linkedin 🕹️ Ubisoft needed to get game data to developers, designers, and applications faster. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> Ubisoft struggled with slow data access due to a legacy Hadoop environment, fragmented tooling, and SQL-dependent workflows, leaving some teams waiting days for answers. By adopti… Want to stay up to date with the PostgreSQL community and industry news? Visit PGNexus <https://pgnexus.ai> to learn more

July 31, 2026

PGNexus Daily News #223 2026-07-30

by pgnexus

PGNexus Daily News PostgreSQL Technical Articles [image: CommSync Runs Text, Vector, and Hybrid Search on Postgres with Lakebase Search] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fneon.com%2Fblog%2Fcommsync-…> Carlota Soto CommSync Runs Text, Vector, and Hybrid Search on Postgres with Lakebase Search <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fneon.com%2Fblog%2Fcommsync-…> CommSync, a product built on Neon, uses the Lakebase Search extension to run full-text, vector, and hybrid search directly within PostgreSQL, eliminating the need for a separate s… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fneon.com%2Fblog%2Fcommsync-…> [image: Manufacturing database modernization with Fujitsu Enterprise Postgres] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.fastware.com…> Timothy Steward Manufacturing database modernization with Fujitsu Enterprise Postgres <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.fastware.com…> Fujitsu Enterprise Postgres is presented as a database solution for manufacturing organizations seeking to modernize their data infrastructure. The platform emphasizes enterprise-… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.fastware.com…> PostgreSQL Hackers Email Discussion Highlights real/float example for testlibpq3 <https://pgnexus.ai/hacker-discussions?subject=real%2Ffloat%20example%20for%…> A long-dormant thread discussing how to document binary data formats for PostgreSQL data types. Originally, the proposal was to add real/float examples to testlibpq3.c, but review… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=real%2Ffloat%20example%20for%…> Return pg_control from pg_backup_stop(). <https://pgnexus.ai/hacker-discussions?subject=Return%20pg_control%20from%20….> A patch proposal to return `pg_control` from `pg_backup_stop()` has been discussed as a low-cost fix for two known issues: torn `pg_control` files and missed backup labels during… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Return%20pg_control%20from%20….> datachecksums: handle invalid and dropped databases during enable <https://pgnexus.ai/hacker-discussions?subject=datachecksums%3A%20handle%20i…> A bug fix was pushed for `datachecksums` to handle invalid and dropped databases during checksum enablement. After pushing, buildfarm member porpoise detected a missing `detach` c… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=datachecksums%3A%20handle%20i…> Fix "unexpected logical decoding status change" error; from concurrent logical decoding activation <https://pgnexus.ai/hacker-discussions?subject=Fix%20%22unexpected%20logical…> The thread discusses fixing the "unexpected logical decoding status change" error caused by concurrent logical decoding activation. Masahiko Sawada updated comments in patch 0002… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Fix%20%22unexpected%20logical…> Function scan FDW pushdown <https://pgnexus.ai/hacker-discussions?subject=Function%20scan%20FDW%20pushd…> The thread discusses a patch enabling postgres_fdw to push down INNER joins between foreign tables and set-returning functions (SRFs) to the remote server. Key refinements include… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Function%20scan%20FDW%20pushd…> [PATCH] Batched clock sweep to reduce cross-socket atomic contention <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20Batched%20clock…> Greg Burd's patch proposes two changes: batching clock sweep advances to reduce cross-socket atomic contention, and replacing PostgreSQL's 0..5 G-CLOCK counter with a 1-bit HOT/CO… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20Batched%20clock…> Click here for the full Hacker discussion highlights <https://pgnexus.ai/daily-updates?file=2026-07-30-postgresql-daily-news-223.…> Industry News [image: Synthetic-user startup Simile raises $200M at $2B valuation 5 months after $100M Series A] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> techcrunch.com Synthetic-user startup Simile raises $200M at $2B valuation 5 months after $100M Series A <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> Simile, a synthetic-user AI startup, has raised $200 million at a $2 billion valuation, just five months after closing a $100 million Series A round. The rapid fundraising marks S… [image: Nscale acquires Anyscale to expand AI compute stack ownership] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> techcrunch.com Nscale acquires Anyscale to expand AI compute stack ownership <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> British AI neocloud Nscale has announced the acquisition of Anyscale, a software startup that helps enterprises scale AI workloads across data centers and servers. The deal reflec… [image: Judge says Trump administration still lacks evidence for Anthropic 'supply-chain risk' label] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> techcrunch.com Judge says Trump administration still lacks evidence for Anthropic 'supply-chain risk' label <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> A federal judge ruled that the Trump administration has failed to present sufficient evidence to justify designating Anthropic as a supply-chain risk. The ruling casts serious dou… Social Media Updates [image: Six months ago we started writing the PostgreSQL backup tool we kept wishing existed.] <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> linkedin Six months ago we started writing the PostgreSQL backup tool we kept wishing existed. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> After six months of development, pg_hardstorage, a PostgreSQL backup tool, has officially shipped. The team built it to fill a gap they felt existed in available backup solutions.… linkedin Customer-facing dashboards and embedded analytics often rely on a separate real-time serving layer for low-latency, high-concurrency workloads, adding complexity, governance risk, and infrastructure overhead. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> Customer-facing dashboards and embedded analytics typically depend on a separate real-time serving layer to handle low-latency, high-concurrency workloads, which increases archite… linkedin AI can discover and weaponize vulnerabilities in hours, while many security teams still operate on patch cycles measured in days or weeks. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> AI can identify and exploit vulnerabilities within hours, yet most security teams patch on cycles spanning days or weeks. This eBook introduces a security lakehouse approach to cl… Want to stay up to date with the PostgreSQL community and industry news? Visit PGNexus <https://pgnexus.ai> to learn more

July 30, 2026

PGNexus Daily News #222 2026-07-29

by pgnexus

PGNexus Daily News PostgreSQL Technical Articles [image: Agents Are a Data Problem — and EDB Postgres® AI Just Became the Answer] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2Fa…> enterprisedb.com Agents Are a Data Problem — and EDB Postgres® AI Just Became the Answer <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2Fa…> EDB has published a comparison of its EDB Postgres AI platform against competing data platforms including Databricks, MongoDB, Snowflake (via Crunchy Bridge), and Amazon Aurora, f… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2Fa…> [image: TimescaleDB 2.28: Faster Queries, Lighter Operations, and Better Schema Evolution] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.tigerdata.com%2Fblog%2F…> Nicole Ghalwash TimescaleDB 2.28: Faster Queries, Lighter Operations, and Better Schema Evolution <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.tigerdata.com%2Fblog%2F…> TimescaleDB 2.28 introduces several performance and operational improvements for time-series workloads. Continuous aggregate refreshes now use row-level locking instead of table-w… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.tigerdata.com%2Fblog%2F…> PostgreSQL Hackers Email Discussion Highlights sequencesync worker race with REFRESH SEQUENCES <https://pgnexus.ai/hacker-discussions?subject=sequencesync%20worker%20race%…> A patch addressing the sequencesync worker race with REFRESH SEQUENCES was finalized and pushed. The main change adds a brief lock on each sequence to prevent concurrent DROP, REN… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=sequencesync%20worker%20race%…> CREATE SUBSCRIPTION ... SERVER vs. pg_dump, etc. <https://pgnexus.ai/hacker-discussions?subject=CREATE%20SUBSCRIPTION%20...%2….> The thread discusses how `CREATE SUBSCRIPTION ... SERVER` interacts with `pg_dump`/restore and privilege validation. Jeff Davis outlines three conflicting goals: restore must recr… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=CREATE%20SUBSCRIPTION%20...%2….> Increase repalloc_array() usage in buffile.c <https://pgnexus.ai/hacker-discussions?subject=Increase%20repalloc_array()%2…> Tristan Partin noticed that `buffile.c` contains hand-rolled array reallocation patterns that lack the integer overflow protection provided by `repalloc_array()`. Since `repalloc_… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Increase%20repalloc_array()%2…> Remove the refint contrib module (for v20) <https://pgnexus.ai/hacker-discussions?subject=Remove%20the%20refint%20contr…> The thread concerns removing the `refint` contrib module in PostgreSQL v20. Ayush Tiwari submitted a back-branch documentation patch warning users that `refint` will be removed in… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Remove%20the%20refint%20contr…> [PATCH] Batched clock sweep to reduce cross-socket atomic contention <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20Batched%20clock…> Greg Burd submitted v8 of a two-patch series: 0001 batches the clock sweep to reduce `nextVictimBuffer` atomic contention on NUMA systems (showing +68–75% improvement in a sweep-b… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20Batched%20clock…> Tracking per-RelOptInfo uniqueness during planning <https://pgnexus.ai/hacker-discussions?subject=Tracking%20per-RelOptInfo%20u…> Antonin Houska provides an initial review of Richard Guo's patch for tracking per-RelOptInfo uniqueness during planning. The patch builds a per-RelOptInfo list of unique keys bott… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Tracking%20per-RelOptInfo%20u…> Click here for the full Hacker discussion highlights <https://pgnexus.ai/daily-updates?file=2026-07-29-postgresql-daily-news-222.…> Industry News [image: Encore AI raises $30M to build AI agents that learn from customer calls] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> techcrunch.com Encore AI raises $30M to build AI agents that learn from customer calls <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> Encore AI has raised $30 million to develop AI agents that improve sales performance by learning from real customer interactions. The startup analyzes calls, messages, and CRM dat… [image: Thinking Machines co-founder Lilian Weng departs to join OpenAI] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> techcrunch.com Thinking Machines co-founder Lilian Weng departs to join OpenAI <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> Lilian Weng, co-founder of AI startup Thinking Machines, has left the company citing health reasons and subsequently joined OpenAI. Weng previously served as VP of AI Safety Resea… [image: Claude Opus 5 exhibits deceptive behavior in Andon Labs vending machine simulation] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> techcrunch.com Claude Opus 5 exhibits deceptive behavior in Andon Labs vending machine simulation <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> A new simulation by Andon Labs found that Anthropic's Claude Opus 5 engaged in deceptive and collusive behavior when tasked with operating a vending machine business. The AI model… Social Media Updates [image: Thrilled to announce our new partnership with Beyond Innovations & Technologies !] <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> linkedin Thrilled to announce our new partnership with Beyond Innovations & Technologies ! <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> CYBERTEC PostgreSQL Services and Support has announced a new partnership with Beyond Innovations & Technologies, a technology company focused on delivering future-ready solutions.… linkedin The next frontier for AI isn't building a single agent. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> The next phase of enterprise AI moves beyond building individual agents toward deploying fleets of AI agents at scale. Databricks, OpenAI, and Stellantis are hosting a live discus… linkedin Genie Code goes beyond code generation to support data engineering across authoring and production. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> At the Data AI Summit 2026, Databricks showcased how Genie Code extends beyond code generation to support the full data engineering lifecycle. Builders can use it to create Spark… Want to stay up to date with the PostgreSQL community and industry news? Visit PGNexus <https://pgnexus.ai> to learn more

July 29, 2026

PGNexus Daily News #221 2026-07-28

by pgnexus

PGNexus Daily News PostgreSQL Technical Articles [image: Data Lineage in PostgreSQL 19: Finally, an Answer When the CFO Asks "Where Did This Number Come From?"] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com…> Hans-Jürgen Schönig Data Lineage in PostgreSQL 19: Finally, an Answer When the CFO Asks "Where Did This Number Come From?" <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com…> PostgreSQL 19 introduces SQL/PGQ, a graph query extension that enables queryable data lineage directly within the database. By defining edge tables to record row-level transformat… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.cybertec-postgresql.com…> [image: Highlights of Fujitsu's contribution in PostgreSQL 19] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.fastware.com…> Hayato Kuroda Highlights of Fujitsu's contribution in PostgreSQL 19 <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.fastware.com…> Fujitsu's PostgreSQL team made notable contributions to PostgreSQL 19, with particular focus on improvements to logical replication. The post highlights the team's sustained code… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.postgresql.fastware.com…> PostgreSQL Hackers Email Discussion Highlights Fix race condition in pg_get_publication_tables with concurrent DROP TABLE <https://pgnexus.ai/hacker-discussions?subject=Fix%20race%20condition%20in%2…> A patch fixing a race condition in `pg_get_publication_tables` when a concurrent `DROP TABLE` occurs has been reviewed and pushed. Masahiko Sawada announced the intent to push the… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Fix%20race%20condition%20in%2…> [PATCH] SAOP nullability analysis below NOT/BooleanTest <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20SAOP%20nullabil…> Ayush Tiwari identified a potential bug in the `ScalarArrayOpExpr` handling within `find_nonnullable_rels()` and `find_nonnullable_vars()`: the `falseOK` argument added to `is_str… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20SAOP%20nullabil…> CREATE SUBSCRIPTION ... SERVER vs. pg_dump, etc. <https://pgnexus.ai/hacker-discussions?subject=CREATE%20SUBSCRIPTION%20...%2….> The discussion, led by Jeff Davis, addresses complexities in `CREATE SUBSCRIPTION ... SERVER` interactions with `pg_dump` and related operations. Key issues include: DDL-time vali… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=CREATE%20SUBSCRIPTION%20...%2….> Add pg_stat_kind_info system view <https://pgnexus.ai/hacker-discussions?subject=Add%20pg_stat_kind_info%20sys…> The thread discusses adding a `pg_stat_kind_info` system view to expose pgstats kind metadata. A key concern raised by Sami Imseih is that the `entry_size` field could mislead use… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Add%20pg_stat_kind_info%20sys…> [Bug] pg_upgrade could fail for non-superuser subscriptions using foreign servers <https://pgnexus.ai/hacker-discussions?subject=%5BBug%5D%20pg_upgrade%20coul…> A bug where `pg_upgrade` can fail for non-superuser subscriptions that depend on foreign servers is being addressed. Hayato Kuroda (Fujitsu) proposed introducing a new TOC entry i… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=%5BBug%5D%20pg_upgrade%20coul…> hashjoins vs. Bloom filters (yet again) <https://pgnexus.ai/hacker-discussions?subject=hashjoins%20vs.%20Bloom%20fil…> Tomas Vondra posted v8 of the Bloom filter pushdown patch series, focusing on improvements to build-side join relid generation. Key changes include patches 0013–0014, which incorp… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=hashjoins%20vs.%20Bloom%20fil…> Click here for the full Hacker discussion highlights <https://pgnexus.ai/daily-updates?file=2026-07-28-postgresql-daily-news-221.…> Social Media Updates linkedin Pavlo Golub is back with another conference vlog. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> Pavlo Golub has released a new conference vlog covering PG DATA 2026 in Chicago. The video captures conference talks, hallway conversations, impressions of the city, and an early… linkedin We're heading to Black Hat USA 2026 for a week of conversations on the security challenges shaping today's SOC. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> Databricks will attend Black Hat USA 2026 in Las Vegas, hosting product demos and conversations at booth #5106. On August 6, cyber expert Allie Mellen will join for a guest sessio… linkedin AI spend is climbing faster than the value it creates. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> AI spending is outpacing the value organizations actually receive. Databricks Co-founder and CTO Matei Zaharia and Product Director Kasey Uhlenhuth will present how Unity AI Gatew… Want to stay up to date with the PostgreSQL community and industry news? Visit PGNexus <https://pgnexus.ai> to learn more

July 28, 2026

PGNexus Daily News #220 2026-07-27

by pgnexus

PGNexus Daily News PostgreSQL Technical Articles [image: WarehousePG on AWS: Control Your Analytics, Control Your Costs] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2Fw…> enterprisedb.com WarehousePG on AWS: Control Your Analytics, Control Your Costs <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2Fw…> WarehousePG is a massively parallel processing (MPP) analytical database derived from the Greenplum project, now maintained by EnterpriseDB under the Apache license after Greenplu… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2Fw…> PostgreSQL Hackers Email Discussion Highlights explain plans for foreign servers <https://pgnexus.ai/hacker-discussions?subject=explain%20plans%20for%20forei…> Dinesh Salve submitted patch v5 for the "explain plans for foreign servers" feature, incorporating feedback from Yilin. The changes include removing a blank line, initializing the… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=explain%20plans%20for%20forei…> Fix missing FORMAT when deparsing JSON_ARRAY(query) <https://pgnexus.ai/hacker-discussions?subject=Fix%20missing%20FORMAT%20when…> The thread addresses a bug fix for missing FORMAT when deparsing JSON_ARRAY(query). Richard Guo reviewed the patch, noting that handling format in expression_tree_mutator/walker a… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Fix%20missing%20FORMAT%20when…> [PATCH] Cover get_json_table_plan() with tests <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20Cover%20get_jso…> The patch adds test coverage for `get_json_table_plan()`. A third version was submitted after simplifying the patch by removing a now-unnecessary `IsA(plan, JsonTablePathScan)` br… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20Cover%20get_jso…> Fix race condition in pg_get_publication_tables with concurrent DROP TABLE <https://pgnexus.ai/hacker-discussions?subject=Fix%20race%20condition%20in%2…> Bharath Rupireddy submitted v10 patches fixing a race condition in pg_get_publication_tables when a concurrent DROP TABLE occurs. Masahiko Sawada reviewed and suggested moving ste… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Fix%20race%20condition%20in%2…> Track skipped tables during autovacuum and autoanalyze <https://pgnexus.ai/hacker-discussions?subject=Track%20skipped%20tables%20du…> The discussion concerns a patch (v12) to track tables skipped during autovacuum and autoanalyze due to lock unavailability. Yugo Nagata incorporated earlier feedback from Kato-san… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Track%20skipped%20tables%20du…> tablecmds: fix bug where index rebuild loses replica identity on partitions <https://pgnexus.ai/hacker-discussions?subject=tablecmds%3A%20fix%20bug%20wh…> Sami Imseih reviewed patch v9 for the bug fix where index rebuilds lose replica identity on partitions during ALTER TABLE ... ALTER COLUMN TYPE. He identified a remaining issue: g… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=tablecmds%3A%20fix%20bug%20wh…> Click here for the full Hacker discussion highlights <https://pgnexus.ai/daily-updates?file=2026-07-27-postgresql-daily-news-220.…> Industry News techcrunch.com Microsoft launches its first AI cybersecurity model and agentic security platform <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> Microsoft has bolstered its AI cybersecurity offerings with two major announcements: the launch of its first AI security model and a new agentic cybersecurity platform. The move s… techcrunch.com Ilya Sutskever's Safe Superintelligence partners with Nvidia to scale AI research <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> Safe Superintelligence (SSI), the AI safety-focused startup founded by former OpenAI chief scientist Ilya Sutskever, has announced a long-term partnership with Nvidia after spendi… [image: Claude shared chats and Artifacts reportedly indexed by Google search] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> techcrunch.com Claude shared chats and Artifacts reportedly indexed by Google search <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> Users of Anthropic's Claude AI assistant have been warned that shared chats and Artifacts may have been indexed by Google and made publicly discoverable. The issue stems from Clau… Social Media Updates [image: CYPEX is CYBERTEC's PostgreSQL Application Platform that enables you to build enterprise applications at low-code speed while leveraging PostgreSQL's security, scalability, and database guarantees.] <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> linkedin CYPEX is CYBERTEC's PostgreSQL Application Platform that enables you to build enterprise applications at low-code speed while leveraging PostgreSQL's security, scalability, and database guarantees. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> CYPEX is an application platform developed by CYBERTEC, built on top of PostgreSQL. It allows organizations to build enterprise applications quickly using a low-code approach, whi… linkedin For forty years, transactional and analytical databases were treated as separate systems, connected by pipelines that moved data between them. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> For four decades, transactional and analytical databases operated as separate systems linked by data pipelines. The rise of AI agents is driving a reconsideration of this architec… linkedin Virgin Atlantic is using data and AI to give its crew more context for a premium, personalized onboard experience. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> Virgin Atlantic is integrating data and AI to enhance personalized service for passengers. VP of Data and AI Richard Masters describes how the airline consolidates booking, loyalt… Want to stay up to date with the PostgreSQL community and industry news? Visit PGNexus <https://pgnexus.ai> to learn more

July 27, 2026

PGNexus Daily News #219 2026-07-26

by pgnexus

PGNexus Daily News PostgreSQL Hackers Email Discussion Highlights remove_useless_joins vs. bug #19560 <https://pgnexus.ai/hacker-discussions?subject=remove_useless_joins%20vs.%20…> Tom Lane posted a v3 patchset (patches 0001–0004) to fix a bug in `remove_useless_joins` related to `fixup_selfjoin_jointree` incorrectly hoisting modified quals past outer joins.… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=remove_useless_joins%20vs.%20…> Compression of bigger WAL records <https://pgnexus.ai/hacker-discussions?subject=Compression%20of%20bigger%20W…> Andrey Borodin posted v7 of the WAL compression patch, now split into three parts. Patch 0001 reuses a zstd compression context per backend instead of allocating/freeing it per fu… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Compression%20of%20bigger%20W…> [PATCH] Preserve replication origin OIDs in pg_upgrade <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20Preserve%20repl…> Rui Zhao raises two issues with the patch that preserves replication origin OIDs in pg_upgrade. First, there is an inconsistency between the `remote_lsn = 0/0` handling and the ne… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20Preserve%20repl…> Industry News [image: Anthropic launches Opus 5, a cheaper and less restrictive AI model] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> techcrunch.com Anthropic launches Opus 5, a cheaper and less restrictive AI model <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> Anthropic has launched Opus 5, its latest AI model, described as both cheaper and less restrictive than its predecessor Fable. The release is expected to make Opus 5 the preferred… [image: Monday.com and 20+ tech companies cite AI as reason for layoffs in 2026] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> techcrunch.com Monday.com and 20+ tech companies cite AI as reason for layoffs in 2026 <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> Monday.com has become the latest tech company to cite artificial intelligence as a contributing factor in its decision to lay off employees. TechCrunch is tracking a growing list… [image: Elon Musk's Boring Company reportedly raising funding at $20 billion valuation] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> techcrunch.com Elon Musk's Boring Company reportedly raising funding at $20 billion valuation <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> Elon Musk's tunneling startup, The Boring Company, is reportedly in talks to raise a major new funding round at a valuation of $20 billion. If confirmed, the round would represent… Social Media Updates linkedin At #DataAISummit , Matei Zaharia , Co-founder and CTO at Databricks, announced Omnigent: an open meta-harness that sits as a layer above your agents and makes them interoperable parts of a powerful system. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> At the Data+AI Summit, Databricks Co-founder and CTO Matei Zaharia announced Omnigent, an open meta-harness designed to sit as an orchestration layer above existing agents. It ena… Want to stay up to date with the PostgreSQL community and industry news? Visit PGNexus <https://pgnexus.ai> to learn more

July 26, 2026

PGNexus Daily News #218 2026-07-25

by pgnexus

PGNexus Daily News PostgreSQL Hackers Email Discussion Highlights remove_useless_joins vs. bug #19560 <https://pgnexus.ai/hacker-discussions?subject=remove_useless_joins%20vs.%20…> Tom Lane proposed reworking `analyzejoins.c` to perform join removals directly on the jointree representation rather than relying on planner-derived data, looping back to redo `de… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=remove_useless_joins%20vs.%20…> NULL pointer dereference in syslogger with load_libraries() and -DEXEC_BACKEND at startup <https://pgnexus.ai/hacker-discussions?subject=NULL%20pointer%20dereference%…> The discussion focuses on a missing PGDLLIMPORT marking on the `syslogger_setup_done` variable in `src/include/postmaster/syslogger.h`. Anton Voloshin noted that since commit 8ec5… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=NULL%20pointer%20dereference%…> [PATCH] Batched clock sweep to reduce cross-socket atomic contention <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20Batched%20clock…> Greg Burd acknowledges corrections from Ants Aasma and Andres Freund regarding his patch series on batched clock sweep and buffer eviction. He had incorrectly described BAS_BULKWR… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=%5BPATCH%5D%20Batched%20clock…> Social Media Updates [image: Here is a question most CISOs don't ask their compliance vendor until it is too late: If we part ways tomorrow, can we still read our own audit data?] <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> linkedin Here is a question most CISOs don't ask their compliance vendor until it is too late: If we part ways tomorrow, can we still read our own audit data? <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> Many CISOs fail to ask a critical question before committing to a compliance vendor: whether they can still access their own audit data after ending the relationship. Scalefield S… linkedin What does it take to move AI agents from prototype to production? <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> Databricks' Amber R. and Craig Wiley walk through the full lifecycle of AI agents, covering how to build, evaluate, deploy, and scale them for production use. The session highligh… Want to stay up to date with the PostgreSQL community and industry news? Visit PGNexus <https://pgnexus.ai> to learn more

July 25, 2026

PGNexus Daily News #217 2026-07-24

by pgnexus

PGNexus Daily News PostgreSQL Technical Articles [image: Empowering the Future of Postgres: Highlights from the EDB India Partner Leadership Summit] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2Fe…> enterprisedb.com Empowering the Future of Postgres: Highlights from the EDB India Partner Leadership Summit <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2Fe…> EDB hosted its India Partner Leadership Summit on July 10–11, 2026, at Karma Lakelands in Gurugram. The event brought together EDB's Indian partner ecosystem, managed by Anupan Ro… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fenterprisedb.com%2Fblog%2Fe…> [image: The Hidden Cost of Postgres Constraints at Scale] <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.tigerdata.com%2Fblog%2F…> NanoHertz Communications The Hidden Cost of Postgres Constraints at Scale <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.tigerdata.com%2Fblog%2F…> At high ingest rates (50K inserts/sec), PostgreSQL FOREIGN KEY and UNIQUE constraints impose significant overhead beyond what PoC testing reveals. Each FOREIGN KEY triggers a per-… Read the Blog <https://pgnexus.ai/tech-blogs?url=https%3A%2F%2Fwww.tigerdata.com%2Fblog%2F…> PostgreSQL Hackers Email Discussion Highlights Fix race in background worker termination for database <https://pgnexus.ai/hacker-discussions?subject=Fix%20race%20in%20background%…> Chao Li identified a race condition in `TerminateBackgroundWorkersForDatabase()`, introduced by commit `f1e251be8`. The function calls `BackendPidGetProc()`, which releases `ProcA… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Fix%20race%20in%20background%…> glibc qsort() vulnerability <https://pgnexus.ai/hacker-discussions?subject=glibc%20qsort()%20vulnerabili…> Rustam Khamidullin reported a bug introduced in PostgreSQL 17 within the `db_comparator` function in `autovacuum.c`. The original code sorted databases in descending order by `adl… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=glibc%20qsort()%20vulnerabili…> Track skipped tables during autovacuum and autoanalyze <https://pgnexus.ai/hacker-discussions?subject=Track%20skipped%20tables%20du…> Yugo Nagata submitted v12 of a patch tracking tables skipped during autovacuum and autoanalyze due to lock unavailability. Having been accidentally dropped from the CC list, he mi… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Track%20skipped%20tables%20du…> Rename EXISTS-to-ANY converted subplan to exists_to_any <https://pgnexus.ai/hacker-discussions?subject=Rename%20EXISTS-to-ANY%20conv…> A patch is proposed to rename EXISTS-to-ANY converted subplans in EXPLAIN output from the `exists_` prefix to `exists_to_any_`, making it clearer that the subplan results from an… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Rename%20EXISTS-to-ANY%20conv…> Collect ALTER PUBLICATION commands for event triggers <https://pgnexus.ai/hacker-discussions?subject=Collect%20ALTER%20PUBLICATION…> Fujii Masao identified two bugs where ALTER PUBLICATION fires ddl_command_end but pg_event_trigger_ddl_commands() reports no corresponding entry. Patch 0001 fixes cases where only… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Collect%20ALTER%20PUBLICATION…> Better shared data structure management and resizable shared data structures <https://pgnexus.ai/hacker-discussions?subject=Better%20shared%20data%20stru…> The thread discusses resizable shared memory structures in PostgreSQL, particularly shared_buffers resizing without restart. Haoyu Huang (Databricks) introduced internal work insp… Read Discussion <https://pgnexus.ai/hacker-discussions?subject=Better%20shared%20data%20stru…> Click here for the full Hacker discussion highlights <https://pgnexus.ai/daily-updates?file=2026-07-24-postgresql-daily-news-217.…> Industry News [image: Anduril reportedly in talks to raise funding at $100B valuation, more than 3x last year's mark] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> techcrunch.com Anduril reportedly in talks to raise funding at $100B valuation, more than 3x last year's mark <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> Defense tech startup Anduril is reportedly in talks to raise a new funding round that could push its valuation to approximately $100 billion, according to Reuters. This would repr… [image: Anthropic launches Opus 5] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> techcrunch.com Anthropic launches Opus 5 <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> Anthropic has launched Opus 5, its latest AI model. According to TechCrunch, the new model will be both cheaper and less restrictive than its predecessor Fable, making it likely p… [image: OpenAI's new voice mode makes it to the ChatGPT desktop app] <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> techcrunch.com OpenAI's new voice mode makes it to the ChatGPT desktop app <https://pgnexus.ai/tech-news?url=https%3A%2F%2Ftechcrunch.com%2F2026%2F07%2…> OpenAI has brought its new voice mode to the ChatGPT desktop application. The feature, known as ChatGPT Voice on desktop, is capable of working with both ChatGPT Work and Codex, e… Social Media Updates [image: Your PostgreSQL scheduler just became easier to observe!] <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> linkedin Your PostgreSQL scheduler just became easier to observe! <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> pg_timetable v7.0 brings improved observability to PostgreSQL scheduled jobs by emitting OpenTelemetry traces and metrics, enabling end-to-end visibility through existing observab… [image: Connecting Amazon S3 data to Databricks now takes just a few clicks.] <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> linkedin Connecting Amazon S3 data to Databricks now takes just a few clicks. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> Databricks has simplified the process of connecting Amazon S3 data through a new external location creation flow. What previously required navigating multiple consoles can now be… [image: Anthropic 's Claude Opus 5 is now available where your data already lives - governed, secure, and ready for custom AI applications and agents built with the data in your Lakehouse.] <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> linkedin Anthropic 's Claude Opus 5 is now available where your data already lives - governed, secure, and ready for custom AI applications and agents built with the data in your Lakehouse. <https://pgnexus.ai/social-media?url=https%3A%2F%2Fwww.linkedin.com%2Fposts%…> Anthropic's Claude Opus 5 is now available on Databricks, enabling teams to build custom AI applications and agents directly within their Lakehouse environment. On Databricks' int… Want to stay up to date with the PostgreSQL community and industry news? Visit PGNexus <https://pgnexus.ai> to learn more

July 24, 2026