SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 3)
    Literal UInt64_1
    Identifier URL
    Function count (alias c) (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test.hits_s3
   ExpressionList (children 2)
    Literal UInt64_1
    Identifier URL
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier c
   Literal UInt64_10
