CreateQuery limit_by (children 3)
 Identifier limit_by
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration id (children 1)
    DataType Int
   ColumnDeclaration val (children 1)
    DataType Int
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList