CreateQuery interval (children 3)
 Identifier interval
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration id (children 1)
    DataType String
   ColumnDeclaration start (children 1)
    DataType Int64
   ColumnDeclaration end (children 1)
    DataType Int64
 Storage definition (children 2)
  Function MergeTree
  Identifier start
