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Richard Guo c06e909c26 Track the number of presorted outer pathkeys in MergePath ... When creating an explicit Sort node for the outer path of a mergejoin, we need to determine the number of presorted keys of the outer path to decide whether explicit incremental sort can be applied. Currently, this is done by repeatedly calling pathkeys_count_contained_in. This patch caches the number of presorted outer pathkeys in MergePath, allowing us to save several calls to pathkeys_count_contained_in. It can be considered a complement to the changes in commit 828e94c9d. Reported-by: David Rowley <dgrowleyml@gmail.com> Author: Richard Guo <guofenglinux@gmail.com> Reviewed-by: Tender Wang <tndrwang@gmail.com> Discussion: https://postgr.es/m/CAApHDvqvBireB_w6x8BN5txdvBEHxVgZBt=rUnpf5ww5P_E_ww@mail.gmail.com		8 months ago
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Makefile	…
foreign.c	Track the number of presorted outer pathkeys in MergePath	8 months ago
meson.build	Update copyright for 2025	12 months ago