1 files changed, 21 insertions, 0 deletions
diff --git a/db/migrate/20200912193210_add_scheduling_issues_temp_indexes.rb b/db/migrate/20200912193210_add_scheduling_issues_temp_indexes.rb
new file mode 100644
index 00000000000..bc2b8d4ce97
--- /dev/null
+++ b/db/migrate/20200912193210_add_scheduling_issues_temp_indexes.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+class AddSchedulingIssuesTempIndexes < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index :issue_links, [:source_id], where: 'link_type = 1', name: 'tmp_idx_blocking_type_links'
+    add_concurrent_index :issue_links, [:target_id], where: 'link_type = 2', name: 'tmp_idx_blocked_by_type_links'
+    add_concurrent_index :issues, :id, where: '(state_id = 1 AND blocking_issues_count = 0)', name: 'tmp_idx_index_issues_with_outdate_blocking_count'
+  end
+
+  def down
+    remove_concurrent_index_by_name(:issue_links, 'tmp_idx_blocking_type_links')
+    remove_concurrent_index_by_name(:issue_links, 'tmp_idx_blocked_by_type_links')
+    remove_concurrent_index_by_name(:issues, 'tmp_idx_index_issues_with_outdate_blocking_count')
+  end
+end