gpcontrib/gpcloud/regress/input/1_19_proxy.source

CREATE READABLE EXTERNAL TABLE s3regress_proxy (date text, time text, open float, high float,
        low float, volume int) LOCATION('s3://s3-us-east-1.amazonaws.com/us-east-1.@read_prefix@/small17/data0000 config=@config_file@ section=proxy') FORMAT 'csv';

\d s3regress_proxy

SELECT round(sum(open)) FROM s3regress_proxy;

DROP EXTERNAL TABLE s3regress_proxy;