[PonyORM-list] How to do a query?

[Alexander Kozlovsky]

Hi Matthew! Two questions:

1) What database do you use?
2) How many pairs are in y potentially?

On Tue, Dec 8, 2015 at 4:37 PM, Matthew Bell <matthewrobertbell at gmail.com>
wrote:

> Hello,
>
> I am trying to do this:
>
> Assuming X.a and X.b are both unicode:
>
>     y = [('1', '2'), ('3', '4')]
>
>     select(x for X in x if (x.a, x.b) not in y)
>
> This query doesn't work. How can I exclude the tuples in y from results?
>
> Thanks
>
> --
> Regards,
>
> Matthew Bell
>
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