code: boolean shouldSuppressField(FieldDefinition fieldDef) {
          if (!m_config.optimize) {
              return false;
          }
          
          Set<String> suppressedFields = m_dbSuppressedFieldMap.get(fieldDef.getTableName());
          return suppressedFields != null && suppressedFields.contains(fieldDef.getName()); 
      }
docs: Return true if the given {@link FieldDefinition} should be suppressed when its
  table is dumped to a CSV file. Currently, this will only occur for link fields
  when -optimize is specified.
  
  @param fieldDef  {@link FieldDefinition} of a field.
  @return          True if the field should be suppressed.