SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function throwIf (children 1)
     ExpressionList (children 1)
      Function notEquals (children 1)
       ExpressionList (children 2)
        Function count (children 1)
         ExpressionList
        Literal UInt64_4
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function remote (children 1)
       ExpressionList (children 3)
        Literal \'127.0.0.{1,2}\'
        Function currentDatabase (children 1)
         ExpressionList
        Identifier t3
   ExpressionList (children 1)
    Identifier a
 Identifier Null
