SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 4)
    Identifier date
    Identifier value
    Identifier version
    Identifier sign
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier mult_tab
   ExpressionList (children 3)
    OrderByElement (children 1)
     Identifier date
    OrderByElement (children 1)
     Identifier key
    OrderByElement (children 1)
     Identifier sign
   Set
