diff options
author | Yorick Peterse <yorickpeterse@gmail.com> | 2017-05-04 21:43:46 +0300 |
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committer | Yorick Peterse <yorickpeterse@gmail.com> | 2017-05-17 21:53:22 +0300 |
commit | 91c971bf987824df0e066c20ac341bb5e7485e95 (patch) | |
tree | ba8ad6bdb4562efc7b2dff7c0328bbcc54d2868e /db/migrate | |
parent | 53250d6d8a7f016e8a7f503509e489b444859429 (diff) |
Index project_group_links.group_id
This column is used when refreshing authorizations and without the
index leads to a sequence scan being performed on this table.
Diffstat (limited to 'db/migrate')
-rw-r--r-- | db/migrate/20170504182103_add_index_project_group_links_group_id.rb | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/db/migrate/20170504182103_add_index_project_group_links_group_id.rb b/db/migrate/20170504182103_add_index_project_group_links_group_id.rb new file mode 100644 index 00000000000..62bf641daa6 --- /dev/null +++ b/db/migrate/20170504182103_add_index_project_group_links_group_id.rb @@ -0,0 +1,19 @@ +# See http://doc.gitlab.com/ce/development/migration_style_guide.html +# for more information on how to write migrations for GitLab. + +class AddIndexProjectGroupLinksGroupId < ActiveRecord::Migration + include Gitlab::Database::MigrationHelpers + + # Set this constant to true if this migration requires downtime. + DOWNTIME = false + + disable_ddl_transaction! + + def up + add_concurrent_index :project_group_links, :group_id + end + + def down + remove_concurrent_index :project_group_links, :group_id + end +end |