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# rubocop:disable RemoveIndex
class AddIndexOnMergeRequestDiffCommitSha < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
def up
add_concurrent_index :merge_request_diff_commits, :sha, length: mysql_compatible_index_length
end
def down
remove_index :merge_request_diff_commits, :sha if index_exists? :merge_request_diff_commits, :sha
end
end
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