CreateQuery derived_metrics_local (children 3)
 Identifier derived_metrics_local
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration timestamp (children 1)
    DataType DateTime
   ColumnDeclaration bytes (children 2)
    DataType UInt64
    Function plus (children 1)
     ExpressionList (children 2)
      Function toStartOfHour (children 1)
       ExpressionList (children 1)
        Identifier timestamp
      Function toIntervalHour (children 1)
       ExpressionList (children 1)
        Literal UInt64_1
 Storage definition (children 3)
  Function MergeTree (children 1)
   ExpressionList
  Function tuple (children 1)
   ExpressionList (children 2)
    Function toStartOfHour (children 1)
     ExpressionList (children 1)
      Identifier timestamp
    Identifier timestamp
  Set
