CreateQuery x (children 3)
 Identifier x
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration dt (children 1)
    DataType DateTime
   ColumnDeclaration i (children 1)
    DataType Int32
 Storage definition (children 5)
  Function MergeTree
  Function indexHint (children 1)
   ExpressionList (children 1)
    Identifier dt
  Identifier dt
  ExpressionList (children 1)
   TTLElement (children 1)
    Function plus (children 1)
     ExpressionList (children 2)
      Identifier dt
      Function toIntervalDay (children 1)
       ExpressionList (children 1)
        Literal UInt64_15
  Set
