28 lines
757 B
Ruby
28 lines
757 B
Ruby
![]() |
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
|
||
|
# for more information on how to write migrations for GitLab.
|
||
|
|
||
|
class MergeRequestsTargetIdIidStatePartialIndex < ActiveRecord::Migration
|
||
|
include Gitlab::Database::MigrationHelpers
|
||
|
|
||
|
# Set this constant to true if this migration requires downtime.
|
||
|
DOWNTIME = false
|
||
|
|
||
|
INDEX_NAME = 'index_merge_requests_on_target_project_id_and_iid_opened'
|
||
|
|
||
|
disable_ddl_transaction!
|
||
|
|
||
|
def up
|
||
|
# On GitLab.com this index will take up roughly 5 MB of space.
|
||
|
add_concurrent_index(
|
||
|
:merge_requests,
|
||
|
[:target_project_id, :iid],
|
||
|
where: "state = 'opened'",
|
||
|
name: INDEX_NAME
|
||
|
)
|
||
|
end
|
||
|
|
||
|
def down
|
||
|
remove_concurrent_index_by_name(:merge_requests, INDEX_NAME)
|
||
|
end
|
||
|
end
|