[Qgis-developer] problem with 'toreal' in field calculator

[Matteo Ghetta]

Hi all,
I have a filed made up by numeric values but recognized as text (should be
a WFS issue and not a QGIS problem).
I've used the 'toreal' function of the field calculator in order to update
the field but nothing changed (numbers are still read as text).
Strange is that if I create a new field using the 'toreal' function, values
are correctly read as numbers and not as text.

Am I missing something or can be a bug?

BTW: debian testing and QGIS 2.8.1

Cheers

Matteo
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