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| author | Achilleas Pipinellis <axil@gitlab.com> | 2019-08-21 11:24:55 +0200 |
|---|---|---|
| committer | Achilleas Pipinellis <axil@gitlab.com> | 2019-08-21 11:24:55 +0200 |
| commit | a39228db8027c966e8117d40766b0cef4fbd50f6 (patch) | |
| tree | 143045af7214ae6746e7b7c9df647c71ec2bd675 /doc/development/hash_indexes.md | |
| parent | 05f50c9b52fde54513fe55fef97499b35719eae2 (diff) | |
| parent | aed489bf901745ced6618e680913d0d213998923 (diff) | |
| download | gitlab-ce-docs-zm002-gitlab-case.tar.gz | |
Merge branch 'master' into docs-zm002-gitlab-casedocs-zm002-gitlab-case
Diffstat (limited to 'doc/development/hash_indexes.md')
| -rw-r--r-- | doc/development/hash_indexes.md | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/development/hash_indexes.md b/doc/development/hash_indexes.md index e6c1b3590b1..417ea18e22f 100644 --- a/doc/development/hash_indexes.md +++ b/doc/development/hash_indexes.md @@ -1,6 +1,6 @@ # Hash Indexes -Both PostgreSQL and MySQL support hash indexes besides the regular btree +PostgreSQL supports hash indexes besides the regular btree indexes. Hash indexes however are to be avoided at all costs. While they may _sometimes_ provide better performance the cost of rehashing can be very high. More importantly: at least until PostgreSQL 10.0 hash indexes are not |