Bruno and interested list members I want to follow what is suggested here. How are STDIN and STDOUT addressed when using the JDBC driver? Or in other words where can I write or receive megabytes of data? I would not want to append this to the String of a SQL Statement in Java because that is a String in memory. Thanks Bernard On Wed, 17 Aug 2005 06:51:12 -0500, you wrote: >On Wed, Aug 17, 2005 at 09:22:16 +0100, > Bernard <bht@xxxxxxxxxxxxx> wrote: >> >> The following bug has been logged online: > >This isn't a bug and you really should have asked this question on >another list. I am moving the discussion over to the general list. > >> >> Bug reference: 1830 >> Logged by: Bernard >> Email address: bht@xxxxxxxxxxxxx >> PostgreSQL version: 8.0.3 >> Operating system: Linux RedHat 9 >> Description: Non-super-user must be able to copy from a file >> Details: >> >> On the attempt to bulk load a table from a file that is owned by the >> non-superuser current database user, the following error message is >> printed: >> >> "must be superuser to COPY to or from a file" >> >> What is the reason for this limitation? > >This is described in the documentation for the copy command. > >> >> It can't justifiably be for security reasons because if a web application >> such as tomcat requires to bulk load tables automatically on a regular basis >> then one would be forced to let the web application connect as superuser, >> which is very bad for security. > >No, because you can have the app read the file and then pass the data to >the copy command. To do this you use STDIN as the file name. > >> >> In MySQL bulk loading works for all users. > >You can use the \copy command in psql to load data from files. > >> >> We need a Postgresql solution. >> >> We have a web application where both MySQL and Postresql are supported. With >> Postgresql, the application would have to connect as user postgres. We have >> to explain this security risk to our clients very clearly. >> >> ---------------------------(end of broadcast)--------------------------- >> TIP 2: Don't 'kill -9' the postmaster > >---------------------------(end of broadcast)--------------------------- >TIP 6: explain analyze is your friend ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org