SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 5)
    Function toInt8 (children 1)
     ExpressionList (children 1)
      Identifier e
    Function toInt16 (children 1)
     ExpressionList (children 1)
      Identifier e
    Function toUInt64 (children 1)
     ExpressionList (children 1)
      Identifier e
    Function toString (children 1)
     ExpressionList (children 1)
      Identifier e
    Identifier e
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier enums