tuanhoanganh <hatuan05@xxxxxxxxx> writes: > Thanks for your answer. But I don't want to change db config or ALTER > DATABASE data SET bytea_output='escape'; > I can change my app. So is there document introduce how to work with > postgresql 9 bytea ( I don't want to user lo_create, lo_import. lo_export) http://www.postgresql.org/docs/9.0/static/datatype-binary.html See 8.4.1 versus 8.4.2 in particular. regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general