o gn@s&ddlmZmZmZGdddZdS))ColumnString TIMESTAMPc@sFeZdZeeddZeedddZeedddZeedddZ dS) TimestampMixinCURRENT_TIMESTAMP)server_default)ronupdateF)nullableTN) __name__ __module__ __qualname__rr created_at modified_atr created_by modified_byrr2/var/www/html/XCapMarket/mixins/timestamp_mixin.pyrs rN) sqlalchemyrrrrrrrrs