Another way to do it would be to make a helper function that does the
following:
input.get(getInputSchema().getPosition(alias));
Only available in 0.10 and later (I think getInputSchema is in 0.10, at
least...may only be in 0.11)
2013/1/15 Dexin Wang <wangde...@gmail.com>
> Hi,
>
> In my own UDF, is reference a field by index the only way to access a
> field?
>
> The fields are all named and typed before passing into UDF but looks like I
> can only do something like this:
>
> String v1 = (String)input.get(0);
> String v2 = (String)input.get(1);
> String v3 = (String)input.get(2);
>
> instead I'd like to do something like this:
>
> String v1 = (String)input.get("f1");
> String v2 = (String)input.get("f2");
> String v3 = (String)input.get("f3");
>
> since I have lots of field and I don't want to tie myself up the
> positioning of the fields.
>
> Any alternative? Thanks.
>
> Dexin
>
