CreateQuery morton_numbers_3_02457 (children 3)
 Identifier morton_numbers_3_02457
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration n1 (children 1)
    DataType UInt64
   ColumnDeclaration n2 (children 1)
    DataType UInt64
 Storage definition (children 3)
  Function MergeTree (children 1)
   ExpressionList
  Identifier n1
  Set