CreateQuery labels_ordered (children 3)
 Identifier labels_ordered
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration idx (children 1)
    DataType Int64
   ColumnDeclaration score (children 1)
    DataType Float64
   ColumnDeclaration label (children 1)
    DataType Int64
 Storage definition (children 3)
  Function MergeTree
  Identifier idx
  Identifier idx
