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| author | Achilleas Pipinellis <axil@gitlab.com> | 2019-08-20 20:22:43 +0200 |
|---|---|---|
| committer | Achilleas Pipinellis <axil@gitlab.com> | 2019-08-20 20:22:43 +0200 |
| commit | e61308ce1d82e12e5087371469baea4a452875d1 (patch) | |
| tree | 62551a3ae4eab75e5af7e3b35358c07a51b2132f /doc/development/hash_indexes.md | |
| parent | 4f323bb62fbe71a4352de25cab141f361a3fe1a6 (diff) | |
| parent | 2989ed078c1d45b0959dcecb1bc3c8f4740a3c0d (diff) | |
| download | gitlab-ce-docs-patch-71.tar.gz | |
Merge branch 'master' into docs-patch-71docs-patch-71
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 |