@Override
public Item item(final QueryContext qc, final InputInfo ii) throws QueryException {
final Data data = checkData(qc);
final String path = path(1, qc);
final Item item = toItem(exprs[2], qc);
final Options opts = toOptions(3, Q_OPTIONS, new Options(), qc);
final Updates updates = qc.resources.updates();
final IntList docs = data.resources.docs(path);
int d = 0;
// delete binary resources
final IOFile bin = data.meta.binary(path);
if (bin == null || bin.isDir()) throw BXDB_REPLACE_X.get(info, path);
if (item instanceof Bin) {
updates.add(new DBStore(data, path, item, info), qc);
} else {
if (bin.exists()) updates.add(new DBDelete(data, path, info), qc);
final NewInput input = checkInput(item, token(path));
if (docs.isEmpty() || docs.get(0) == 0) {
// no replacement of first document (because of TableDiskAccess#insert, used > 0, pre = 0)
updates.add(new DBAdd(data, input, opts, qc, info), qc);
} else {
updates.add(new ReplaceDoc(docs.get(0), data, input, opts, qc, info), qc);
d = 1;
}
}
// delete old documents
final int ds = docs.size();
for (; d < ds; d++) updates.add(new DeleteNode(docs.get(d), data, info), qc);
return null;
}
