CreateQuery ttl (children 3)
 Identifier ttl
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration d (children 1)
    DataType DateTime
 Storage definition (children 4)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList
  ExpressionList (children 1)
   TTLElement (children 1)
    Function plus (children 1)
     ExpressionList (children 2)
      Identifier d
      Function toIntervalDay (children 1)
       ExpressionList (children 1)
        Literal UInt64_10
  Set
