unique_constraints_in_create

# File activerecord/lib/active_record/connection_adapters/postgresql/schema_dumper.rb, line 86
          def unique_constraints_in_create(table, stream)
            if (unique_constraints = @connection.unique_constraints(table)).any?
              unique_constraint_statements = unique_constraints.map do |unique_constraint|
                parts = [ unique_constraint.column.inspect ]
                parts << "nulls_not_distinct: #{unique_constraint.nulls_not_distinct.inspect}" if unique_constraint.nulls_not_distinct
                parts << "deferrable: #{unique_constraint.deferrable.inspect}" if unique_constraint.deferrable
                parts << "name: #{unique_constraint.name.inspect}" if unique_constraint.export_name_on_schema_dump?

                "    t.unique_constraint #{parts.join(', ')}"
              end

              stream.puts unique_constraint_statements.sort.join("\n")
            end
          end