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Data update

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Ingy döt Net 2024-10-16 18:07:41 -07:00
parent 81fd053722
commit 52a6ef48dd
10248 changed files with 63654 additions and 6775 deletions
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8
Task/Hash-join/OCaml/hash-join.ml Normal file
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let hash_join table1 f1 table2 f2 =
let h = Hashtbl.create 42 in
(* hash phase *)
List.iter (fun s ->
Hashtbl.add h (f1 s) s) table1;
(* join phase *)
List.concat (List.map (fun r ->
List.map (fun s -> s, r) (Hashtbl.find_all h (f2 r))) table2)