diff options
Diffstat (limited to 'db/post_migrate/20210802131812_finalize_convert_deployments_bigint.rb')
-rw-r--r-- | db/post_migrate/20210802131812_finalize_convert_deployments_bigint.rb | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/db/post_migrate/20210802131812_finalize_convert_deployments_bigint.rb b/db/post_migrate/20210802131812_finalize_convert_deployments_bigint.rb new file mode 100644 index 00000000000..31afb7e0a29 --- /dev/null +++ b/db/post_migrate/20210802131812_finalize_convert_deployments_bigint.rb @@ -0,0 +1,45 @@ +# frozen_string_literal: true + +class FinalizeConvertDeploymentsBigint < ActiveRecord::Migration[6.1] + include Gitlab::Database::MigrationHelpers + + disable_ddl_transaction! + + TABLE_NAME = 'deployments' + COLUMN_NAME = 'deployable_id' + COLUMN_NAME_BIGINT = "#{COLUMN_NAME}_convert_to_bigint" + def up + ensure_batched_background_migration_is_finished( + job_class_name: 'CopyColumnUsingBackgroundMigrationJob', + table_name: TABLE_NAME, + column_name: 'id', + job_arguments: [[COLUMN_NAME], [COLUMN_NAME_BIGINT]] + ) + + swap + end + + def down + swap + end + + def swap + old_index_name = 'index_deployments_on_deployable_type_and_deployable_id' + bigint_index_name = 'index_deployments_on_deployable_type_and_deployable_id_bigint' + add_concurrent_index TABLE_NAME, ['deployable_type', COLUMN_NAME_BIGINT], name: bigint_index_name + + with_lock_retries(raise_on_exhaustion: true) do + # Swap columns + temp_name = "#{COLUMN_NAME}_tmp" + execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN #{quote_column_name(COLUMN_NAME)} TO #{quote_column_name(temp_name)}" + execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN #{quote_column_name(COLUMN_NAME_BIGINT)} TO #{quote_column_name(COLUMN_NAME)}" + execute "ALTER TABLE #{TABLE_NAME} RENAME COLUMN #{quote_column_name(temp_name)} TO #{quote_column_name(COLUMN_NAME_BIGINT)}" + + function_name = Gitlab::Database::UnidirectionalCopyTrigger.on_table(TABLE_NAME).name(COLUMN_NAME, COLUMN_NAME_BIGINT) + execute "ALTER FUNCTION #{quote_table_name(function_name)} RESET ALL" + + execute "DROP INDEX #{old_index_name}" + rename_index TABLE_NAME, bigint_index_name, old_index_name + end + end +end |