for (Iterator<Map.Entry<String, JsonNode>> iter = rowNode.fields(); iter.hasNext();) {
Map.Entry<String, JsonNode> next = iter.next();
ColumnSchema<E, Object> schema = column(next.getKey(), Object.class);
for (Iterator<Map.Entry<String, JsonNode>> iter = rowNode.fields(); iter.hasNext();) {
Map.Entry<String, JsonNode> next = iter.next();
ColumnSchema<E, Object> schema = column(next.getKey(), Object.class);