Re: Making jsonb_agg() faster

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>

To: Chao Li <li.evan.chao@gmail.com>

Cc: jian he <jian.universality@gmail.com>, pgsql-hackers@lists.postgresql.org

Date: 2025-12-05T23:14:33Z

Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

Fix jsonb_object_agg crash after eliminating null-valued pairs.
- ef5f559b95e2 19 (unreleased) landed
Micro-optimize datatype conversions in datum_to_jsonb_internal.
- 005a2907dc30 19 (unreleased) landed
Remove fundamentally-redundant processing in jsonb_agg() et al.
- b61aa76e4585 19 (unreleased) landed
Revise APIs for pushJsonbValue() and associated routines.
- 0986e95161ce 19 (unreleased) landed
Add a macro for the declared typlen of type timetz.
- 3628af42107d 19 (unreleased) landed

Attachments

v5-0001-Revise-APIs-for-pushJsonbValue-and-associated-rou.patch (text/x-diff) patch v5-0001
v5-0002-Remove-fundamentally-redundant-processing-in-json.patch (text/x-diff) patch v5-0002
v5-0003-Micro-optimize-datatype-conversions-in-datum_to_j.patch (text/x-diff) patch v5-0003

v5, rebased over a couple of recent patches.  No substantive changes.

I'd kind of like to get this pushed soon, because it keeps getting
sideswiped ... does anyone have further comments?

			regards, tom lane