Re: NEQ-restriction in select-where clause

2018-09-10 Thread dilaz03
Thank you. Yes, I known, it's working only for ALLOW FILTERING. Ok, I
understand, it's possible.

пн, 10 сент. 2018 г., 11:24 Benjamin Lerer :

> It can be done for filtering, otherwise it is really tricky (I am not even
> sure it can be done to be honest).
>
>
>
> On Sun, Sep 9, 2018 at 2:11 AM, Dmitry Lazurkin  wrote:
>
> > Hello.
> >
> > Does it make sense to implement != restriction in select-where clause?
> > Is it possible?
> >
> > Thank you.
> >
> > PS. I want to implement that.
> >
> >
> > -
> > To unsubscribe, e-mail: dev-unsubscr...@cassandra.apache.org
> > For additional commands, e-mail: dev-h...@cassandra.apache.org
> >
> >
>


Re: NEQ-restriction in select-where clause

2018-09-10 Thread dilaz03
Yes, but I need for select ;-)

пн, 10 сент. 2018 г., 11:03 Jacques-Henri Berthemet <
jacques-henri.berthe...@genesys.com>:

> Hi,
>
> You can only use IF = or IF != on insert, update or delete statements, it
> does not work on select. When using it, it will create a LWT transaction
> and you'll need full PK in the where condition, you can apply the IF on
> values of the row. For example:
>
> update table set type = 'somethingelse' where pk='42' if type !=
> 'something';
>
> --
> Jacques-Henri Berthemet
>
> -Original Message-
> From: Dmitry Lazurkin 
> Sent: Sunday, September 09, 2018 2:12 AM
> To: dev@cassandra.apache.org
> Subject: NEQ-restriction in select-where clause
>
> Hello.
>
> Does it make sense to implement != restriction in select-where clause?
> Is it possible?
>
> Thank you.
>
> PS. I want to implement that.
>
>
> -
> To unsubscribe, e-mail: dev-unsubscr...@cassandra.apache.org
> For additional commands, e-mail: dev-h...@cassandra.apache.org
>
>