Exercise parallel GIN builds in regression tests

Tomas Vondra <tomas.vondra@postgresql.org>

Commit: f6e5d21bf73f9928b878e301805b8184c82e0463
Author: Tomas Vondra <tomas.vondra@postgresql.org>
Date: 2026-01-26T19:05:17Z
Exercise parallel GIN builds in regression tests

Modify two places creating GIN indexes in regression tests, so that the
build is parallel. This provides a basic test coverage, even if the
amounts of data are fairly small.

Reported-by: Kirill Reshke <reshkekirill@gmail.com>
Backpatch-through: 18
Discussion: https://postgr.es/m/CALdSSPjUprTj+vYp1tRKWkcLYzdy=N=O4Cn4y_HoxNSqQwBttg@mail.gmail.com

Files

Discussion