Add commands/async.h (LISTEN/NOTIFY) bindings#2344
Merged
eeeebbbbrrrr merged 1 commit intoJul 11, 2026
Conversation
isdaniel
force-pushed
the
feat/async-notify-binding
branch
from
June 28, 2026 07:59
b35b564 to
62a5899
Compare
feat(pgrx): safe notify/listen/unlisten wrappers over async.h feat(examples): add coalesced transaction-end NOTIFY pattern
isdaniel
force-pushed
the
feat/async-notify-binding
branch
from
June 28, 2026 08:52
62a5899 to
d6c295d
Compare
eeeebbbbrrrr
approved these changes
Jul 11, 2026
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
What
commands/async.hin pgrx-pg-sys for pg13–pg19, exposingAsync_Notify/Async_Listen/Async_Unlisten/Async_UnlistenAll.notifyexample: safe&strwrappers over those externs plus a real-world cache-invalidation trigger thatNOTIFYs a changed row's id oncache_invalidation.Why
LISTEN/NOTIFY is the only in-core mechanism for inter-process signalling substitute — delivery goes through Postgres's async queue. Server-side
LISTENin particular has no SQL-function equivalent.