always be set), alias (again can be left empty) and SQL function
(can also be left empty) which shall be applied on the column.
//-->
+ <select-data-from-list-entry type="string" table="" value="history_id" alias="" function="" />
<select-data-from-list-entry type="string" table="" value="history_userid" alias="" function="" />
<select-data-from-list-entry type="string" table="" value="history_value" alias="" function="" />
<select-data-from-list-entry type="string" table="" value="history_added" alias="history_added" function="UNIX_TIMESTAMP" />