diff options
Diffstat (limited to 'db/migrate/20190222051615_add_indexes_for_merge_request_diffs_query.rb')
-rw-r--r-- | db/migrate/20190222051615_add_indexes_for_merge_request_diffs_query.rb | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/db/migrate/20190222051615_add_indexes_for_merge_request_diffs_query.rb b/db/migrate/20190222051615_add_indexes_for_merge_request_diffs_query.rb new file mode 100644 index 00000000000..0048268ca6f --- /dev/null +++ b/db/migrate/20190222051615_add_indexes_for_merge_request_diffs_query.rb @@ -0,0 +1,42 @@ +# frozen_string_literal: true + +class AddIndexesForMergeRequestDiffsQuery < ActiveRecord::Migration[5.0] + include Gitlab::Database::MigrationHelpers + + DOWNTIME = false + + INDEX_SPECS = [ + [ + :merge_request_metrics, + :latest_closed_at, + { where: 'latest_closed_at IS NOT NULL' } + ], + [ + :merge_request_metrics, + [:merge_request_id, :merged_at], + { where: 'merged_at IS NOT NULL' } + ], + [ + :merge_request_diffs, + [:merge_request_id, :id], + { + name: 'index_merge_request_diffs_on_merge_request_id_and_id_partial', + where: 'NOT stored_externally OR stored_externally IS NULL' + } + ] + ].freeze + + disable_ddl_transaction! + + def up + INDEX_SPECS.each do |spec| + add_concurrent_index(*spec) + end + end + + def down + INDEX_SPECS.reverse.each do |spec| + remove_concurrent_index(*spec) + end + end +end |