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# rubocop:disable Migration/UpdateLargeTable
class TruncateUserFullname < ActiveRecord::Migration[5.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
def up
truncated_name = Arel.sql('SUBSTRING(name from 1 for 128)')
where_clause = Arel.sql("LENGTH(name) > 128")
update_column_in_batches(:users, :name, truncated_name) do |table, query|
query.where(where_clause)
end
end
def down
# noop
end
end
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