FabrÃzio and Tom,
I know that you can use --variable="FETCH_COUNT=1" from the
psql command line, but internally that uses a CURSOR to batch the rows and
[Redshift doesn't support CURSOR](
https://forums.aws.amazon.com/thread.jspa?threadID=122664&tstart=0) so it's
not an option when using psql
psql currently collects the query result rows in memory before writing them
to a file and can cause out of memory problems for large results in low
memory environments like ec2. I can't use COPY TO STDOUT or FETCH_COUNT
since I'm using Redshift and it doesn't support [writing to STDOUT](
http://doc
