public boolean equals(Object o) {
   // AcSqlResultsVoBase and AcSqlResultsVoPk must match.
   if (!(o instanceof AcSqlResultsVoPkIF)) return false;
   AcSqlResultsVoPkIF e = (AcSqlResultsVoPkIF) o;
   if (!JwUtility.isEqual(getSchemaName(), e.getSchemaName())) return false;
   if (!JwUtility.isEqual(getIndex(), e.getIndex())) return false;
   return true;
 }
 public boolean isMatch(AcSqlResultsVoPkIF pk) {
   return isMatch(pk.getSchemaName(), pk.getIndex());
 }