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| author | Thomas Munro <tmunro@postgresql.org> | 2020-11-19 18:09:50 +1300 |
|---|---|---|
| committer | Thomas Munro <tmunro@postgresql.org> | 2020-11-19 18:13:46 +1300 |
| commit | 7888b0999488511e4266f2134053fa3a6505a155 (patch) | |
| tree | 4f22410c81fa8b08530d71d71fda71b199c93915 /src/backend/parser/parse_expr.c | |
| parent | 13b58f8934e6252868231c3493d49b8c2b363e5d (diff) | |
| download | postgresql-7888b0999488511e4266f2134053fa3a6505a155.tar.gz postgresql-7888b0999488511e4266f2134053fa3a6505a155.zip | |
Add BarrierArriveAndDetachExceptLast().
Provide a way for one process to continue the remaining phases of a
(previously) parallel computation alone. Later patches will use this to
extend Parallel Hash Join.
Author: Melanie Plageman <melanieplageman@gmail.com>
Reviewed-by: Thomas Munro <thomas.munro@gmail.com>
Discussion: https://postgr.es/m/CA%2BhUKG%2BA6ftXPz4oe92%2Bx8Er%2BxpGZqto70-Q_ERwRaSyA%3DafNg%40mail.gmail.com
Diffstat (limited to 'src/backend/parser/parse_expr.c')
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