diff options
Diffstat (limited to 'db/post_migrate/20210615234935_fix_batched_migrations_old_format_job_arguments.rb')
-rw-r--r-- | db/post_migrate/20210615234935_fix_batched_migrations_old_format_job_arguments.rb | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/db/post_migrate/20210615234935_fix_batched_migrations_old_format_job_arguments.rb b/db/post_migrate/20210615234935_fix_batched_migrations_old_format_job_arguments.rb new file mode 100644 index 00000000000..535f7426938 --- /dev/null +++ b/db/post_migrate/20210615234935_fix_batched_migrations_old_format_job_arguments.rb @@ -0,0 +1,32 @@ +# frozen_string_literal: true + +class FixBatchedMigrationsOldFormatJobArguments < ActiveRecord::Migration[6.1] + class BatchedMigration < ActiveRecord::Base + self.table_name = 'batched_background_migrations' + end + + def up + # rubocop:disable Style/WordArray + [ + ['events', 'id', ['id', 'id_convert_to_bigint'], [['id'], ['id_convert_to_bigint']]], + ['push_event_payloads', 'event_id', ['event_id', 'event_id_convert_to_bigint'], [['event_id'], ['event_id_convert_to_bigint']]] + ].each do |table_name, column_name, legacy_job_arguments, current_job_arguments| + base_scope = BatchedMigration + .where(job_class_name: 'CopyColumnUsingBackgroundMigrationJob', table_name: table_name, column_name: column_name) + # rubocop:enable Style/WordArray + + # rubocop:disable Rails/WhereEquals + base_scope + .where('job_arguments = ?', legacy_job_arguments.to_json) + .where('NOT EXISTS (?)', base_scope.select('1').where('job_arguments = ?', current_job_arguments.to_json)) + .update_all(job_arguments: current_job_arguments) + # rubocop:enable Rails/WhereEquals + end + end + + def down + # No-op, there is no way to know were the existing record migrated from + # legacy job arguments, or were using the current format from the start. + # There is no reason to go back anyway. + end +end |