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| author | Peter Eisentraut <peter@eisentraut.org> | 2024-10-14 15:36:18 +0200 |
|---|---|---|
| committer | Peter Eisentraut <peter@eisentraut.org> | 2024-10-14 15:36:18 +0200 |
| commit | c594f1ad2ba7cbe66e8ae98da4ffed06491d1082 (patch) | |
| tree | 12d7f1656a8c301219a0ec36a88d483e2f2879ca /src/backend/utils/adt/arrayfuncs.c | |
| parent | 0d2aa4d4937bb0500823edfc7d620f4e5fa45b9c (diff) | |
| download | postgresql-c594f1ad2ba7cbe66e8ae98da4ffed06491d1082.tar.gz postgresql-c594f1ad2ba7cbe66e8ae98da4ffed06491d1082.zip | |
Track scan reversals in MergeJoin
The MergeJoin struct was tracking "mergeStrategies", which were an
array of btree strategy numbers, purely for the purpose of comparing
it later against btree strategies to determine if the scan direction
was forward or reverse. Change that. Instead, track
"mergeReversals", an array of bool, to indicate the same without an
unfortunate assumption that a strategy number refers specifically to a
btree strategy.
Author: Mark Dilger <mark.dilger@enterprisedb.com>
Discussion: https://www.postgresql.org/message-id/flat/E72EAA49-354D-4C2E-8EB9-255197F55330@enterprisedb.com
Diffstat (limited to 'src/backend/utils/adt/arrayfuncs.c')
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