SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 7)
   ExpressionList (children 4)
    Function domainWithoutWWW (alias key) (children 1)
     ExpressionList (children 1)
      Identifier Referer
    Function avg (alias l) (children 1)
     ExpressionList (children 1)
      Function length (children 1)
       ExpressionList (children 1)
        Identifier Referer
    Function count (alias c) (children 1)
     ExpressionList
    Function max (children 1)
     ExpressionList (children 1)
      Identifier Referer
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test.hits_s3
   Function notEquals (children 1)
    ExpressionList (children 2)
     Identifier Referer
     Literal \'\'
   ExpressionList (children 1)
    Identifier key
   Function greater (children 1)
    ExpressionList (children 2)
     Identifier c
     Literal UInt64_100000
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier l
   Literal UInt64_25