Examples of errors detected by the V6030 diagnostic

V6030. The function located to the right of the '|' and '&' operators will be called regardless of the value of the left operand. Consider using '||' and '&&' instead.

Apache Hive

V6030 The method located to the right of the '|' operator will be called regardless of the value of the left operand. Perhaps, it is better to use '||'. OperatorUtils.java(573)

public static Operator<? extends OperatorDesc> findSourceRS(....)
{
  ....
  List<Operator<? extends OperatorDesc>> parents = ....;
  if (parents == null | parents.isEmpty()) {
    // reached end e.g. TS operator
    return null;
  }
  ....
}