insert_versions_sql

# File activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb, line 1374
        def insert_versions_sql(versions)
          sm_table = quote_table_name(ActiveRecord::SchemaMigration.table_name)

          if versions.is_a?(Array)
            sql = "INSERT INTO #{sm_table} (version) VALUES\n".dup
            sql << versions.map { |v| "(#{quote(v)})" }.join(",\n")
            sql << ";\n\n"
            sql
          else
            "INSERT INTO #{sm_table} (version) VALUES (#{quote(versions)});"
          end
        end