throw new IllegalArgumentException("entities list empty");
try {
String sql = null;
PreparedStatement stmt = null;
int[] ids = new int[size];
DBObject dBObject = chronicles.get(0);
if (size > MAX_ENTITY_DEPTH) {
// "dynamic" statement
stmt = sel_attibute_prop_in_ent[0];
if (stmt != null && stmt.getParameterMetaData().getParameterCount() != size + 1)
stmt = null;