ResultRowImpl currentRow() {
int selectorCount = selectors.size();
String[] paths = new String[selectorCount];
for (int i = 0; i < selectorCount; i++) {
SelectorImpl s = selectors.get(i);
paths[i] = s.currentPath();
}
int columnCount = columns.length;
PropertyValue[] values = new PropertyValue[columnCount];
for (int i = 0; i < columnCount; i++) {
ColumnImpl c = columns[i];