PostgreSQL: Polish Pass on Messages and Edge Cases

Today's commits are dominated by cleanup work rather than new features—message wording fixes, documentation clarifications, and hardening of rare error paths in stats and type cache handling.

Duration: PT2M36S

Episode overview

This episode is a short developer briefing from PostgreSQL.

It explains recent repository work in plain language.

  • Show: PostgreSQL
  • Published: 2026-07-22T13:04:39Z
  • Audio duration: PT2M36S

Transcript excerpt

This excerpt keeps the crawler page concise. Listen to the episode or use the RSS feed for the full update.

This is PostgreSQL for July 22nd, 2026.

The clear pattern today is polish. No pull requests landed, but nine commits show a coordinated push to tighten up error messages, documentation, and edge-case handling across the codebase.

First, message consistency. Peter Eisentraut's commit c9-zero-nine-six-seven fixes detail messages across several modules—D-block, password check, and postgres foreign data wrapper among them—to follow the project's style guide: capitalized sentences, proper punctuation. Álvaro Herrera's commit…

Second, documentation clarity. Bruce Momjian landed two backpatched doc fixes: one clarifies that timestamp with time zone doesn't actually store a time zone—it's a conversion, not storage—and another clarifies that the "OF" format specifier in to_char output isn't meant to visually match real formatting characters.…

Third, edge-case hardening. Michael Paquier's commit c-c-f-d-four-b-six fixes a subtle problem in lookup_type_cache: an out-of-memory error during type OID cache setup could trigger an assertion failure. It was found through Alexander Lakhin's fault-injection testing rather than a real-world report, and Paquier…

Álvaro Herrera also removed an assertion…

Nearby episodes from PostgreSQL

  1. Version 19's Growing Pains
  2. Cleaning Up After Recent Features
  3. Closing the Gaps Between Correctness and Convention
  4. Weekly Recap - Correctness Fixes and Late-Beta Caution
  5. Five Bug Fixes, One Pattern of Care in Correctness
  6. Late-Beta Cleanup and Correctness Fixes
  7. Silent Corruption, Loud Fixes
  8. Visibility Map Bug Fixed, Old Baggage Dropped