SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function merge (children 1)
       ExpressionList (children 2)
        Function currentDatabase (children 1)
         ExpressionList
        Literal \'test_distributed_1\'
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier _table
     Literal \'test_local_1\'