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authorTom Lane <tgl@sss.pgh.pa.us>2022-09-09 12:41:36 -0400
committerTom Lane <tgl@sss.pgh.pa.us>2022-09-09 12:41:36 -0400
commitc4b6d218e369b69c20ca40d4ccefc02350f38c24 (patch)
tree380eb9beaff782daaf520bfae82120e2b06f1915 /src/backend/executor/execParallel.c
parent5dcebd10baa8ec14a97029ca0bacaf2a9a0f8652 (diff)
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Reject bogus output from uuid_create(3).
When using the BSD UUID functions, contrib/uuid-ossp expects uuid_create() to produce a version-1 UUID. FreeBSD still does so, but in recent NetBSD releases that function produces a version-4 (random) UUID instead. That's not acceptable for our purposes: if the user wanted v4 she would have asked for v4, not v1. Hence, check the version digit and complain if it's not '1'. Also drop the documentation's claim that the NetBSD implementation is usable. It might be, depending on which OS version you're using, but we're not going to get into that kind of detail. (Maybe someday we should ditch all these external libraries and just write our own UUID code, but today is not that day.) Nazir Bilal Yavuz, with cosmetic adjustments and docs by me. Backpatch to all supported versions. Discussion: https://postgr.es/m/3848059.1661038772@sss.pgh.pa.us Discussion: https://postgr.es/m/17358-89806e7420797025@postgresql.org
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