If I use COPY TO STDOUT in an ECPG program, where does the output go?
If I use COPY TO '/tmp/foo', I get the file created, with the data in
it, but trying COPY TO STDOUT produces no output.
What I'm trying to do is to dump a table's data, and have the resulting
file owned by the application user rather than the dba user.
I would rather to not have to create the file in /tmp, copy contents, rm
/tmp file, if I don't have to.
This is the program I'm using:
#include <stdio.h>
EXEC SQL INCLUDE sqlca;
EXEC SQL WHENEVER SQLERROR sqlprint;
int main()
{
EXEC SQL BEGIN DECLARE SECTION; char *fname = "/tmp/foo"; EXEC SQL END DECLARE SECTION;
EXEC SQL CONNECT TO test;
/* produces expected file "/tmp/foo" */ EXEC SQL COPY foo TO :fname WITH DELIMITER ','; printf("copy to /tmp/foo
:sqlca.sqlcode = %ld", sqlca.sqlcode);
/* goes nowhere (?) */ EXEC SQL COPY foo TO STDOUT WITH DELIMITER ','; printf("copy to STDOUT : sqlca.sqlcode =
%ld\n",sqlca.sqlcode);
EXEC SQL DISCONNECT;
return 0;
}
--
Edmund Bacon <ebacon@onesystem.com>
