# frozen_string_literal: true class SwapMergeRequestUserMentionsNoteIdToBigint < Gitlab::Database::Migration[2.1] include Gitlab::Database::MigrationHelpers::ConvertToBigint disable_ddl_transaction! TABLE_NAME = 'merge_request_user_mentions' def up return unless should_run? swap end def down return unless should_run? swap add_concurrent_index TABLE_NAME, :note_id_convert_to_bigint, unique: true, name: 'index_merge_request_user_mentions_note_id_convert_to_bigint', where: 'note_id_convert_to_bigint IS NOT NULL' add_concurrent_foreign_key TABLE_NAME, :notes, column: :note_id_convert_to_bigint, name: 'fk_merge_request_user_mentions_note_id_convert_to_bigint', on_delete: :cascade, validate: false end def swap # This will replace the existing index_merge_request_user_mentions_on_note_id add_concurrent_index TABLE_NAME, :note_id_convert_to_bigint, unique: true, name: 'index_merge_request_user_mentions_note_id_convert_to_bigint', where: 'note_id_convert_to_bigint IS NOT NULL' # This will replace the existing merge_request_user_mentions_on_mr_id_and_note_id_index add_concurrent_index TABLE_NAME, [:merge_request_id, :note_id_convert_to_bigint], unique: true, name: 'mr_user_mentions_on_mr_id_and_note_id_convert_to_bigint_index' # This will replace the existing merge_request_user_mentions_on_mr_id_index add_concurrent_index TABLE_NAME, :merge_request_id, unique: true, name: 'merge_request_user_mentions_on_mr_id_index_convert_to_bigint', where: 'note_id_convert_to_bigint IS NULL' # This will replace the existing fk_rails_c440b9ea31 add_concurrent_foreign_key TABLE_NAME, :notes, column: :note_id_convert_to_bigint, name: 'fk_merge_request_user_mentions_note_id_convert_to_bigint', on_delete: :cascade with_lock_retries(raise_on_exhaustion: true) do execute "LOCK TABLE notes, #{TABLE_NAME} IN ACCESS EXCLUSIVE MODE" execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN note_id TO note_id_tmp" execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN note_id_convert_to_bigint TO note_id" execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN note_id_tmp TO note_id_convert_to_bigint" function_name = Gitlab::Database::UnidirectionalCopyTrigger .on_table(TABLE_NAME, connection: connection) .name(:note_id, :note_id_convert_to_bigint) execute "ALTER FUNCTION #{quote_table_name(function_name)} RESET ALL" execute 'DROP INDEX IF EXISTS index_merge_request_user_mentions_on_note_id' rename_index TABLE_NAME, 'index_merge_request_user_mentions_note_id_convert_to_bigint', 'index_merge_request_user_mentions_on_note_id' execute 'DROP INDEX IF EXISTS merge_request_user_mentions_on_mr_id_and_note_id_index' rename_index TABLE_NAME, 'mr_user_mentions_on_mr_id_and_note_id_convert_to_bigint_index', 'merge_request_user_mentions_on_mr_id_and_note_id_index' execute 'DROP INDEX IF EXISTS merge_request_user_mentions_on_mr_id_index' rename_index TABLE_NAME, 'merge_request_user_mentions_on_mr_id_index_convert_to_bigint', 'merge_request_user_mentions_on_mr_id_index' execute "ALTER TABLE #{TABLE_NAME} DROP CONSTRAINT IF EXISTS fk_rails_c440b9ea31" rename_constraint(TABLE_NAME, 'fk_merge_request_user_mentions_note_id_convert_to_bigint', 'fk_rails_c440b9ea31') end end def should_run? com_or_dev_or_test_but_not_jh? end end