[Haskell-cafe] persistent sqlite: getting record by ID

Alexey Shmalko rasen.dubi at gmail.com
Sat Sep 19 01:28:53 UTC 2015

I'm not a persistent user, but as far as I know persistent uses
typeclasses to select appropriate table. According to the yesod
book[1], it seems to be PersistEntity[2] class, precisely it's
entityDef method (see source of getTableName[3] function).

Hope this helps,

[1]: http://www.yesodweb.com/book/persistent
[2]: http://hackage.haskell.org/package/persistent-2.2/docs/Database-Persist-Class.html#g:5
[3]: http://hackage.haskell.org/package/persistent-2.2/docs/src/Database-Persist-Sql-Orphan-PersistStore.html#getTableName

On Sat, Sep 19, 2015 at 1:05 AM, miro <miroslav.karpis at gmail.com> wrote:
> Please, can you help me with following?
> I’m trying to get a record from sqlite by id. I have found following peace of code,…but I’m missing the place that where can I specify the table I’m actually querying (like PersonId).
> get $ Key $ (PersistInt64 $ fromIntegral id)
> Cheers,
> Miro
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