Hi, Andrew,
Please include dictionary.h in fb.cc. The type ibis::dictionary is
defined in util.h, which is likely included by your code through
ibis.h. However, ibis::dictionary is only completely defined in
dictionary.h.
Looks like you might be trying to do something with an ibis::category
object. If this is the case, you need to include category.h
explicitly (which will in turn include dictionary.h).
John
On 10/24/12 4:53 PM, Olson, Andrew wrote:
> I'm trying to use a column's dictionary to convert category values from
> uint32_t back to strings. I'm getting these errors when compiling:
>
> ../fb.cc:55:14: error: member access into incomplete type 'const
> ibis::dictionary'
> ../fb.cc:56:53: error: type 'const ibis::dictionary' does not provide a
> subscript operator
>
>
> Here's the block of code where this happens:
>
> case ibis::UINT:
> {
> uint32_t *buf = new uint32_t[nr];
> ierr = tbl.getColumnAsUInts(nms[j], buf);
> ibis::column *col = parts[0]->getColumn(nms[j]);
> const ibis::dictionary *dic =
> col->getDictionary();
> if (dic == 0)
> for (size_t i = 0; i < nr; ++ i)
>
> column->Set(i,Number::New(buf[i]));
> else
> for (size_t i = 0; i < nr; ++ i) {
> if (dic->size() >= buf[i]) {
>
> column->Set(i,String::New((*dic)[buf[i]]));
> }
> }
> break;
> }
>
>
> Is this another example of some functions that have not been used externally
> (not in libfastbit)?
>
> Andrew
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