Re: How to paginate a table with a condition from second association field

On Thu, Oct 28, 2010 at 7:17 AM, ravidp <ravid.paldi@gmail.com> wrote:
> Hi
>
> In my database i have the following associations:
> Result               hasMany       Measurement
> Measurement    belongsTo     Result
> Result               belongsTo     Chip
> Chip                  hasMany       Result
>
>
> I want to paginate something like the following query:
> SELECT M.*
> FROM measurements M, results R, chips C
> WHERE C.some_field = $value
>
> When I use "contain" to get the chip info its just fetch the info
> about the chip but when i add  a condition about one of the chip's
> fields, cake doesn't recognize chips.
> After digging a little bit, it seems(i'm not sure) that cake fetch the
> info about the chip maually for every row in an initial query(M X R)
> and than attach it to every row so its not doing all at once
> I think that's the reason why cake doesn't recognize the condition
> chips because the first Q doesn't involve chips at all)
>

Have a look here:
http://planetcakephp.org/aggregator/items/3544-using-mysql-inner-join-in-cakephp-pagination

Shame about the dreadful code formatting.

Also, you can use the bindModel() approach:
http://nuts-and-bolts-of-cakephp.com/2008/07/17/forcing-an-sql-join-in-cakephp/

Check out the new CakePHP Questions site http://cakeqs.org and help others with their CakePHP related questions.

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