Re: [SQL] have you feel anything when you read this ?

2006-03-30 Thread Eugene E.
Peter Eisentraut wrote: Eugene E. wrote: the problem is: you'll get this four byte sequence '\000' _instead_ of NUL-byte anyway. What you seem to be missing is that PostgreSQL data can be represented in textual and in binary form. What you in psql is the textual form. If you want the bin

Re: [SQL] Ugly group by problem

2006-03-30 Thread Achilleus Mantzios
O Markus Schaber έγραψε στις Mar 29, 2006 : > Hi, Achilleus, > > Achilleus Mantzios wrote: > > > foodb=# SELECT qoo.foo2,sum(qoo.foo3) from (SELECT mt.link_id as > > foo,_int_union(array(select mt2.feat_id from markustest mt2 where > > mt2.link_id=mt.link_id order by mt2.feat_id),'{}') as foo2

Re: [SQL] Ugly group by problem

2006-03-30 Thread Markus Schaber
Hi, Achilleus, Achilleus Mantzios wrote: > foodb=# SELECT qoo.foo2,sum(qoo.foo3) from (SELECT mt.link_id as > foo,_int_union(array(select mt2.feat_id from markustest mt2 where > mt2.link_id=mt.link_id order by mt2.feat_id),'{}') as foo2,other::int4 as > foo3 from markustest mt) as qoo GROUP BY