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class EnqueueDeleteDiffFilesWorkers < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
SCHEDULER = 'ScheduleDiffFilesDeletion'.freeze
TMP_INDEX = 'tmp_partial_diff_id_with_files_index'.freeze
disable_ddl_transaction!
def up
unless index_exists_by_name?(:merge_request_diffs, TMP_INDEX)
add_concurrent_index(:merge_request_diffs, :id, where: "(state NOT IN ('without_files', 'empty'))", name: TMP_INDEX)
end
# We keep the index since this will be used async.
# Ideally we should remove it in an upcoming release.
BackgroundMigrationWorker.perform_async(SCHEDULER)
end
def down
if index_exists_by_name?(:merge_request_diffs, TMP_INDEX)
remove_concurrent_index_by_name(:merge_request_diffs, TMP_INDEX)
end
end
end
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