SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 2)
    Identifier CounterID (alias k)
    Function quantileTiming (children 2)
     ExpressionList (children 1)
      Identifier ResolutionWidth
     ExpressionList (children 1)
      Literal Float64_0.5
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test.hits
   ExpressionList (children 1)
    Identifier k
   ExpressionList (children 2)
    OrderByElement (children 1)
     Function count (children 1)
      ExpressionList
    OrderByElement (children 1)
     Identifier CounterID
   Literal UInt64_10
