I've created respective Jira issue
https://issues.apache.org/jira/browse/IGNITE-1232
Sergi
2015-08-11 9:31 GMT+03:00 Dmitriy Setrakyan :
> On Mon, Aug 10, 2015 at 11:26 PM, Sergi Vladykin >
> wrote:
>
> > I was thinking about protecting users from doing stupid things,
> > but ok, we can do a br
On Mon, Aug 10, 2015 at 11:26 PM, Sergi Vladykin
wrote:
> I was thinking about protecting users from doing stupid things,
> but ok, we can do a broadcast as well.
>
I think we should print out a warning in this case for sure. Is there a
Jira created for this? We should provide a link to this dis
I was thinking about protecting users from doing stupid things,
but ok, we can do a broadcast as well.
Sergi
2015-08-08 3:46 GMT+03:00 Dmitriy Setrakyan :
> Sergi,
>
> I personally don't like that for certain types of queries we will be
> throwing an exception.
>
> After analyzing the approaches
Sergi,
I personally don't like that for certain types of queries we will be
throwing an exception.
After analyzing the approaches you suggested, I can think of cases where A
performs better than B, as well as when B performs better than A.
However, if you prefer B, I don't mind us taking that ap
Alexey,
1. Yes, in my plan it should work exactly like that: if both keys in join
are affinity keys, then we are fully collocated, if only one then we can
run join remotely as described, if none of them we will fail to run the
query.
2. I mean we don't have values for these affinity keys in our l
Sergi,
Questions about plan "B" :)
1) It is possible to throw exception on query prepare state (fail fast) when
we don't know remote affinity key?
2) Could you provide an example when we don't know remote affinity key? I
think we always have some default affinity (no?)?
--
Alexey Kuznetsov
GridG
Igniters,
I'm going to start working on distributed SQL joins soon and want to put my
thoughts on this matter here.
To provide collocated and non-collocated joins we need to know affinity key
for each table.
For example we have a table `Organization(id int)` where `id` is affinity
key and `Perso
