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| author | Jeremy Watson <jwatson@gitlab.com> | 2019-08-21 10:43:30 -0400 |
|---|---|---|
| committer | Jeremy Watson <jwatson@gitlab.com> | 2019-08-21 10:43:30 -0400 |
| commit | aec4ce4ac538992ae09c8a9c77be62a22ea239f1 (patch) | |
| tree | 0ec040a1d020a0096f60f1363db7fd1751967e9c /doc/development/hash_indexes.md | |
| parent | ad799726ae697d12664b8c3903e8297e7bfb4088 (diff) | |
| parent | ef0f1509dd2a2a3ba5798362e2be21108b705a85 (diff) | |
| download | gitlab-ce-docs-group-managed-accounts.tar.gz | |
Merge branch 'master' of gitlab.com:gitlab-org/gitlab-ce into docs-group-managed-accountsdocs-group-managed-accounts
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 |