On 16/04/14 17:57, Heikki Linnakangas wrote:
> On 04/16/2014 06:13 PM, Linos wrote:
>> I thought that Postgresql would optimize out joins on columns I
>> don't ask for when I use the view but it doesn't, this query:
>
> It doesn't, because it would be wrong. It still has to check that the tables
On 04/16/2014 06:13 PM, Linos wrote:
I thought that Postgresql would optimize out joins on columns I
don't ask for when I use the view but it doesn't, this query:
It doesn't, because it would be wrong. It still has to check that the
tables have a matching row (or multiple matching rows).
If
Hello all,
I am trying to simplify some of the queries I use with my database creating a
big view of all the possible attributes my items can have, the view is rather
large:
http://pastebin.com/ScnJ8Hd3
I thought that Postgresql would optimize out joins on columns I don't ask for
when I use