I use it for page hits aggregations, It's very fast, my arrays contains no more than 1000 elements (array_upper-array_lower <=1000) and array bounds is mapped to time. -- View this message in context: http://postgresql.1045698.n5.nabble.com/How-to-remove-n-first-elements-from-array-tp5736765p5736933.html Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general