On 1 February 2011 00:15, Thom Brown <thom@xxxxxxxxx> wrote: > Hi, > > I've noticed that if I try to use generate_series to include the upper > boundary of int4, it never returns: > > SELECT x FROM generate_series(2147483643::int4, 2147483647::int4) AS a(x); > > But the same query with int8 returns instantly: > > SELECT x FROM generate_series(2147483643::int8, 2147483647::int8) AS a(x); > > However, the int8 version of generate_series has the same problem. > This never returns: > > SELECT x FROM generate_series(9223372036854775803::int8, > 9223372036854775807::int8) AS a(x); > > Another issue happens when using the lower boundaries: > > postgres=# SELECT x FROM generate_series(-2147483648::int4, > -2147483644::int4) AS a(x); > ERROR: integer out of range > postgres=# SELECT x FROM generate_series(-9223372036854775808::int8, > -9223372036854775804::int8) AS a(x); > ERROR: bigint out of range > > I've recreated this on 9.0.1 and 9.1devel on a 64-bit platform. > > Bug? Actually, those lower bound errors aren't related to generate_series, but I'd still like to know why -2147483648::int4 is out of range. -- Thom Brown Twitter: @darkixion IRC (freenode): dark_ixion Registered Linux user: #516935 -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
