CreateQuery mytable_sparse (children 3)
 Identifier mytable_sparse
 Storage definition (children 3)
  Function MergeTree
  Identifier id
  Set
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 2)
     Identifier id
     Identifier budget
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier dst_sparse
