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| author | Robert Haas <rhaas@postgresql.org> | 2017-10-27 22:22:39 +0200 |
|---|---|---|
| committer | Robert Haas <rhaas@postgresql.org> | 2017-10-27 22:22:39 +0200 |
| commit | 682ce911f8f30de39b13cf211fc8ceb8c6cbc01b (patch) | |
| tree | 36caf44ee3d2da6af8fef9b9366ff4432e7ea91b /src/backend/access/gist/gistxlog.c | |
| parent | 6784d7a1dc69d53b7f41eebf62bf7ffd63885294 (diff) | |
| download | postgresql-682ce911f8f30de39b13cf211fc8ceb8c6cbc01b.tar.gz postgresql-682ce911f8f30de39b13cf211fc8ceb8c6cbc01b.zip | |
Allow parallel query for prepared statements with generic plans.
This was always intended to work, but due to an oversight in
max_parallel_hazard_walker, it didn't. In testing, we missed the
fact that it was only working for custom plans, where the parameter
value has been substituted for the parameter itself early enough
that everything worked. In a generic plan, the Param node survives
and must be treated as parallel-safe. SerializeParamList provides
for the transmission of parameter values to workers.
Amit Kapila with help from Kuntal Ghosh. Some changes by me.
Discussion: http://postgr.es/m/CAA4eK1+_BuZrmVCeua5Eqnm4Co9DAXdM5HPAOE2J19ePbR912Q@mail.gmail.com
Diffstat (limited to 'src/backend/access/gist/gistxlog.c')
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