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Add sortsupport for gist_btree opclasses, for faster index builds.

Commit 16fa9b2b30 introduced a faster way to build GiST indexes, by
sorting all the data. This commit adds the sortsupport functions needed
to make use of that feature for btree_gist.

Author: Andrey Borodin
Discussion: https://www.postgresql.org/message-id/2F3F7265-0D22-44DB-AD71-8554C743D943@yandex-team.ru
This commit is contained in:
Heikki Linnakangas
2021-04-07 13:22:05 +03:00
parent dd13ad9d39
commit 9f984ba6d2
77 changed files with 1530 additions and 3 deletions

View File

@ -17,7 +17,11 @@ SELECT count(*) FROM byteatmp WHERE a >= '31b0';
SELECT count(*) FROM byteatmp WHERE a > '31b0';
SET client_min_messages = DEBUG1;
CREATE INDEX byteaidx ON byteatmp USING GIST ( a );
CREATE INDEX byteaidx_b ON byteatmp USING GIST ( a ) WITH (buffering=on);
DROP INDEX byteaidx_b;
RESET client_min_messages;
SET enable_seqscan=off;