SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 3)
    Literal \'no bf: UInt64 hit\'
    Function count (children 1)
     ExpressionList
    Function sum (children 1)
     ExpressionList (children 1)
      Function equals (alias cond) (children 1)
       ExpressionList (children 2)
        Identifier n
        Literal UInt64_12300
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function file (children 1)
       ExpressionList (children 1)
        Identifier bf_03263.parquet
   Function indexHint (children 1)
    ExpressionList (children 1)
     Identifier cond
