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# frozen_string_literal: true
class AddPartialIndexOnIdToMergeRequestDiffs < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
INDEX_NAME = 'index_merge_request_diffs_external_diff_store_is_null'
disable_ddl_transaction!
def up
add_concurrent_index :merge_request_diffs, :id, where: 'external_diff_store IS NULL', name: INDEX_NAME
end
def down
remove_concurrent_index_by_name :merge_request_diffs, INDEX_NAME
end
end
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