code: public String getJPAColumnName()
      {
          // In case of Attribute override.
          Column column = ((AbstractManagedType) this.managedType).getAttributeBinding(member);
          if (column != null)
          {
              columnName = column.name();
          }
  
          return columnName;
      }
docs: Returns assigned jpa column name.
  
  @return column name jpa column name.