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A recently added nbtree preprocessing step failed to account for the
fact that DESC columns already had their B-Tree strategy number commuted
at this point in preprocessing. As a result, preprocessing could output
a set of scan keys where one or more keys had the correct strategy
number, but used the wrong comparison routine.
To fix, make the faulty code path that looks up a more restrictive
replacement operator/comparison routine commute its requested inequality
strategy (while outputting the transformed strategy number as before).
This makes the final transformed scan key comport with the approach
preprocessing has always used to deal with DESC columns (which is
described by comments above _bt_fix_scankey_strategy).
Oversight in commit commit
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| .. | ||
| brin | ||
| common | ||
| gin | ||
| gist | ||
| hash | ||
| heap | ||
| index | ||
| nbtree | ||
| rmgrdesc | ||
| sequence | ||
| spgist | ||
| table | ||
| tablesample | ||
| transam | ||
| Makefile | ||
| meson.build | ||