[web-devel] Yesod, Sqlite, Enabling Foreign Key Support

Michael Snoyman michael at snoyman.com
Wed Apr 27 08:14:13 CEST 2011


Looks like the docs just got generated, at least for persistent.
You'll likely want the execute function from
Data.Persist.GenericSql.Raw:
http://hackage.haskell.org/packages/archive/persistent/0.5.0/doc/html/Database-Persist-GenericSql-Raw.html
.

Michael

On Wed, Apr 27, 2011 at 9:12 AM, Anton Cheshkov <acheshkov at gmail.com> wrote:
> I think helper function is good variant. I wanted to make it on yesod level
> but i do not see hackage documentation for newly packages.
> When documentation will  refreshed  i can try to make 'foreign enabling' on
> framework level ;)
> Thanks.
>
> 2011/4/27 Michael Snoyman <michael at snoyman.com>
>>
>> I'm not sure we want to enable this by default. What about just
>> providing a helper function that enables the pragma? There's already
>> enough available from the public API to execute arbitrary SQL
>> statements. I don't use SQLite for production deployments personally,
>> so if others have an opinion on this, I'd like to hear it.
>>
>> Michael
>>
>> On Tue, Apr 26, 2011 at 1:31 PM, Anton Cheshkov <acheshkov at gmail.com>
>> wrote:
>> > Hi Michael.
>> > Please show the way to enable foreign key support from sqlite
>> > connection.
>> > Now foreign key constrints does not work for sqlite from Yesod.
>> > Thanks.
>> >
>> > http://www.sqlite.org/foreignkeys.html
>> > --
>> > Best regards,
>> > Cheshkov Anton
>> > Phone: +7 909 005 18 82
>> > Skype: cheshkov_anton
>> >
>
>
>
> --
> Best regards,
> Cheshkov Anton
> Phone: +7 909 005 18 82
> Skype: cheshkov_anton
>



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