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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