Please open a ticket at http://github.com/dpp/liftweb/issues

On Wed, Jul 22, 2009 at 9:20 AM, Jeppe Nejsum Madsen <[email protected]>wrote:

>
> David Pollak <[email protected]> writes:
>
> > On Wed, Jul 22, 2009 at 6:07 AM, Jeppe Nejsum Madsen <[email protected]
> >wrote:
> >
> >>
> >> Hi,
> >>
> >> I'm using adhoc queries and I'm running into a problem where the results
> >> of aggregate functions get mapped to integers:
> >>
> >> I have this
> >>
> >>  val (_,result) = DB.runQuery("SELECT AVG(vt.fuel_efficiency),
> >> vt.fuel_type, vt.category FROM "+
> >>                    "vehicles v JOIN vehicle_types vt ON
> v.vehicle_type_id=
> >> vt.id "+
> >>                    "WHERE v.account_id=? "+
> >>                    "GROUP BY vt.fuel_type, vt.category "+
> >>                    "ORDER BY vt.fuel_type, vt.category",
> >>                    List(User.currentUser.open_!.account.is))
> >>
> >> in Postgres, the first column is returned as NUMERIC, ie with decimals,
> but
> >> in
> >>
> >> private def asString(pos: Int, rs: ResultSet, md: ResultSetMetaData)
> >>
> >> we have this:
> >>
> >> case BIGINT | INTEGER | DECIMAL | NUMERIC | SMALLINT | TINYINT =>
> >> rs.getLong(pos).toString
> >>
> >> which seems wrong.
> >
> >
> > So... numeric should be rs.getDouble(pos).toString ?
>
> Yes, or BigDecimal. Same goes for DECIMAL I think. "The recommended Java
> mapping for the DECIMAL and NUMERIC types is java.math.BigDecimal" [1]
>
> > The rs.getString(pos) does not work correctly for all types in all JDBC
> > drivers.
>
> I assumed there was a reason for asString :-)
>
> /Jeppe
>
> [1] http://java.sun.com/j2se/1.5.0/docs/guide/jdbc/getstart/mapping.html
>
>
> >
>


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