SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t1
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier left_join (alias j)
     TableJoin (children 1)
      ExpressionList (children 1)
       Identifier x
   ExpressionList (children 3)
    OrderByElement (children 1)
     Identifier x
    OrderByElement (children 1)
     Identifier str
    OrderByElement (children 1)
     Identifier s