CreateQuery 03701_unsorted (children 3)
 Identifier 03701_unsorted
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration key (children 1)
    DataType UInt32
   ColumnDeclaration val (children 1)
    DataType UInt32
   ColumnDeclaration dt (children 1)
    DataType Date
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList
