SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function formatQuerySingleLine (children 1)
     ExpressionList (children 1)
      Literal \'SELECT v FROM t1 SETTINGS additional_table_filters = {\\\'default.t1\\\': \\\'s\\\'}\'
