On 09/26/11 5:53 PM, Jov wrote: > > Most are bigint and one field is varchar. > There is no index. > > well, scalar bigint values will be 8 bytes, plus a bit or 2 of overhead per field. each complete tuple has a dozen bytes of header overhead. tuples are stored as many as fit in a 8K block, unless you've specified a fillfactor, whereupon that % of space is left free in each block. if your CSV has mostly small integer values that are just 1-2-3 digits, yeah, bigint will take more space than ascii. -- john r pierce N 37, W 122 santa cruz ca mid-left coast -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
