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| author | Thomas Munro | 2020-11-19 05:09:50 +0000 |
|---|---|---|
| committer | Thomas Munro | 2020-11-19 05:13:46 +0000 |
| commit | 7888b0999488511e4266f2134053fa3a6505a155 (patch) | |
| tree | 4f22410c81fa8b08530d71d71fda71b199c93915 /src/test/regress/sql/union.sql | |
| parent | 13b58f8934e6252868231c3493d49b8c2b363e5d (diff) | |
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 <[email protected]>
Reviewed-by: Thomas Munro <[email protected]>
Discussion: https://postgr.es/m/CA%2BhUKG%2BA6ftXPz4oe92%2Bx8Er%2BxpGZqto70-Q_ERwRaSyA%3DafNg%40mail.gmail.com
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