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| author | Andres Freund <andres@anarazel.de> | 2019-01-15 12:19:21 -0800 |
|---|---|---|
| committer | Andres Freund <andres@anarazel.de> | 2019-01-15 12:19:21 -0800 |
| commit | 90525d7b4e0fe5ebd53960cd7ef59ee11ff06516 (patch) | |
| tree | d23008d7e6b11540e95a9b28b7daed450f0357a2 /contrib/postgres_fdw/postgres_fdw.c | |
| parent | 285d8e12055f27bce5675e93fef365b6c337f2b3 (diff) | |
| download | postgresql-90525d7b4e0fe5ebd53960cd7ef59ee11ff06516.tar.gz postgresql-90525d7b4e0fe5ebd53960cd7ef59ee11ff06516.zip | |
Don't duplicate parallel seqscan shmem sizing logic in nbtree.
This is architecturally mildly problematic, which becomes more
pronounced with the upcoming introduction of pluggable storage.
To fix, teach heap_parallelscan_estimate() to deal with SnapshotAny
snapshots, and then use it from _bt_parallel_estimate_shared().
Author: Andres Freund
Discussion: https://postgr.es/m/20180703070645.wchpu5muyto5n647@alap3.anarazel.de
Diffstat (limited to 'contrib/postgres_fdw/postgres_fdw.c')
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