SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function uniq (children 1)
     ExpressionList (children 1)
      Identifier d.val
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier dist_table (alias d)
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier local_table (alias t)
     TableJoin (children 1)
      ExpressionList (children 1)
       Identifier id