SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier foo_distributed
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier _tmp_baz
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier foo_distributed.bar
        Identifier _tmp_baz.qux
