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| author | Robert Haas <rhaas@postgresql.org> | 2017-03-06 12:41:55 -0500 |
|---|---|---|
| committer | Robert Haas <rhaas@postgresql.org> | 2017-03-06 12:41:55 -0500 |
| commit | 9fe3c644a73198941e9a502958c24727dc4a6434 (patch) | |
| tree | faa010631b3cf8d23ec595857b2751b29e2ade2c /src/backend/utils/adt/misc.c | |
| parent | 7f6fa29f18aa84743185ee7ada97f277459228a7 (diff) | |
| download | postgresql-9fe3c644a73198941e9a502958c24727dc4a6434.tar.gz postgresql-9fe3c644a73198941e9a502958c24727dc4a6434.zip | |
Mark pg_start_backup and pg_stop_backup as parallel-restricted.
They depend on backend-private state that will not be synchronized by
the parallel machinery, so they should not be marked parallel-safe.
This issue also exists in 9.6, but we obviously can't do anything
about 9.6 clusters that already exist. Possibly this could be
back-patched so that future 9.6 clusters would come out OK, or
possibly we should back-patch some other fix, but that would need more
discussion.
David Steele, reviewed by Michael Paquier
Discussion: http://postgr.es/m/CA+TgmoYCWfO2UM-t=HUMFJyxJywLDiLL0nAJpx88LKtvBvNECw@mail.gmail.com
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