Thread: pgsql: Add isolation test for INSERT ON CONFLICT speculativeinsertion
Add isolation test for INSERT ON CONFLICT speculative insertion failure. This path previously was not reliably covered. There was some heuristic coverage via insert-conflict-toast.spec, but that test is not deterministic, and only tested for a somewhat specific bug. Backpatch, as this is a complicated and otherwise untested code path. Unfortunately 9.5 cannot handle two waiting sessions, and thus cannot execute this test. Triggered by a conversion with Melanie Plageman. Author: Andres Freund Discussion: https://postgr.es/m/CAAKRu_a7hbyrk=wveHYhr4LbcRnRCG=yPUVoQYB9YO1CdUBE9Q@mail.gmail.com Backpatch: 9.5- Branch ------ REL_11_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/05cf41973157577aac9706dcc7998054949b0ed4 Modified Files -------------- .../expected/insert-conflict-specconflict.out | 179 +++++++++++++++++++++ src/test/isolation/isolation_schedule | 1 + .../specs/insert-conflict-specconflict.spec | 149 +++++++++++++++++ 3 files changed, 329 insertions(+)