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| author | Thomas Munro <tmunro@postgresql.org> | 2020-01-31 10:25:34 +1300 |
|---|---|---|
| committer | Thomas Munro <tmunro@postgresql.org> | 2020-01-31 10:27:53 +1300 |
| commit | 1fcf62e0b837c1b814a86f3abf92ad4d36ca30e6 (patch) | |
| tree | becb342a8490485fe946c172df4a12fa0a47b466 /contrib/jsonb_plpython/jsonb_plpython.c | |
| parent | de0177788bf3f0531af32cd5143a73e1234862d3 (diff) | |
| download | postgresql-1fcf62e0b837c1b814a86f3abf92ad4d36ca30e6.tar.gz postgresql-1fcf62e0b837c1b814a86f3abf92ad4d36ca30e6.zip | |
Handle lack of DSM slots in parallel btree build.
If no DSM slots are available, a ParallelContext can still be
created, but its seg pointer is NULL. Teach parallel btree build
to cope with that by falling back to a regular non-parallel build,
to avoid crashing with a segmentation fault.
Back-patch to 11, where parallel CREATE INDEX landed.
Reported-by: Nicola Contu
Reviewed-by: Peter Geoghegan
Discussion: https://postgr.es/m/CA%2BhUKGJgJEBnkuODBVomyK3MWFvDBbMVj%3Dgdt6DnRPU-5sQ6UQ%40mail.gmail.com
Diffstat (limited to 'contrib/jsonb_plpython/jsonb_plpython.c')
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