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| author | Alvaro Herrera <alvherre@alvh.no-ip.org> | 2021-10-01 18:29:18 -0300 |
|---|---|---|
| committer | Alvaro Herrera <alvherre@alvh.no-ip.org> | 2021-10-01 18:29:18 -0300 |
| commit | 20047609d39cc4d30d6b266ed3a8b418b3ce5f78 (patch) | |
| tree | c17f24d0a3267e241ce328b064e8262c2f8b70fb /contrib/jsonb_plperl/jsonb_plperl.c | |
| parent | 0ce67bce00717d8934b599ab4409e28b33c612ea (diff) | |
| download | postgresql-20047609d39cc4d30d6b266ed3a8b418b3ce5f78.tar.gz postgresql-20047609d39cc4d30d6b266ed3a8b418b3ce5f78.zip | |
Error out if SKIP LOCKED and WITH TIES are both specified
Both bugs #16676[1] and #17141[2] illustrate that the combination of
SKIP LOCKED and FETCH FIRST WITH TIES break expectations when it comes
to rows returned to other sessions accessing the same row. Since this
situation is detectable from the syntax and hard to fix otherwise,
forbid for now, with the potential to fix in the future.
[1] https://postgr.es/m/16676-fd62c3c835880da6@postgresql.org
[2] https://postgr.es/m/17141-913d78b9675aac8e@postgresql.org
Backpatch-through: 13, where WITH TIES was introduced
Author: David Christensen <david.christensen@crunchydata.com>
Discussion: https://postgr.es/m/CAOxo6XLPccCKru3xPMaYDpa+AXyPeWFs+SskrrL+HKwDjJnLhg@mail.gmail.com
Diffstat (limited to 'contrib/jsonb_plperl/jsonb_plperl.c')
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