CreateQuery test_02559 (children 3)
 Identifier test_02559
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration id1 (children 1)
    DataType UInt64
   ColumnDeclaration id2 (children 1)
    DataType UInt64
 Storage definition (children 3)
  Function MergeTree
  Identifier id1
  Set
