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|
let print_references (references: (string * Disk.Executor.relational_type * string) list Disk.Executor.IntMap.t Disk.Executor.StringMap.t) =
Disk.Executor.StringMap.iter
(fun k v ->
print_endline ("→ " ^ k ^ ": ");
Disk.Executor.IntMap.iter
(fun k v ->
print_endline (" ↳ " ^ Int64.to_string k);
List.iter (fun (v, type', name) -> print_endline (" → " ^ v ^ "[" ^ name ^ "::" ^ Disk.Executor.show_relational_type type' ^ "]")) v)
v;
print_newline ())
references
let write_and_retrieve () =
let open Disk in
let open Executor in
let schema =
Executor.StringMap.empty
|> Executor.StringMap.add "user"
[
("address", Relation "address");
("last_name", Text);
("first_name", Text);
]
|> Executor.StringMap.add "address"
[ ("street", Text); ("number", Integer32) ]
in
let commit : Executor.commit =
{
state = Executor._EMPTY_SHA_HASH_;
files = Executor.StringMap.empty;
references = Executor.StringMap.empty;
schema;
}
in
let locations : Executor.locations = Executor.StringMap.empty in
let relation_name = "user" in
(* let entity_id, _ = Executor.StringMap.find relation_name references |> Executor.IntMap.max_binding in *)
(* let references =
Executor.StringMap.empty
|> Executor.StringMap.add "user" (Executor.StringMap.empty
|> Executor.StringMap.add "entity_0" [handle11; handle12]
|> Executor.StringMap.add "entity_1" [handle21; handle22]
|> Executor.StringMap.add "entity_2" [handle31; handle32]) in *)
let open Extensions.Result in
let command_write1 : Command.transaction =
{
timestamp = 10.0;
content = Executor.LText "Daisy";
entity_id = Some 0L;
attribute = "user/first-name";
type' = Executor.Text;
}
in
let+ (commit, locations), Command.ComputedHash handle11 =
Command.transact commit locations command_write1
in
print_references commit.references;
let command_write2 : Command.transaction =
{
timestamp = 10.0;
content = Executor.LText "Blossom";
entity_id = Some 0L;
attribute = "user/last-name";
type' = Executor.Text;
}
in
let+ (commit, locations), Command.ComputedHash handle12 =
Command.transact commit locations command_write2
in
print_references commit.references;
let command_write1_address : Command.transaction =
{
timestamp = 10.0;
content = Executor.LText "Saint James St.";
entity_id = Some 0L;
attribute = "address/street";
type' = Executor.Text;
}
in
let+ (commit, locations), Command.ComputedHash handle12 =
Command.transact commit locations command_write1_address
in
print_references commit.references;
let command_write2_address : Command.transaction =
{
timestamp = 10.0;
content = Executor.LInteger32 41l;
entity_id = Some 0L;
attribute = "address/number";
type' = Executor.Text;
}
in
let+ (commit, locations), Command.ComputedHash handle12 =
Command.transact commit locations command_write2_address
in
print_references commit.references;
let command_write2_5 : Command.transaction =
{
timestamp = 10.0;
content = Executor.LRelation (0L, "address");
entity_id = Some 0L;
attribute = "user/address";
type' = Executor.Relation "address";
}
in
let+ (commit, locations), Command.ComputedHash handle12 =
Command.transact commit locations command_write2_5
in
print_references commit.references;
(* let entity_id = 1L in *)
(* let command_write3 : Command.t = *)
(* { *)
(* kind = Command.WRITE; *)
(* timestamp = 10.0; *)
(* hash = ""; *)
(* content = "Minnie"; *)
(* entity_id = Some 1L; *)
(* filename = "user/first-name"; *)
(* } *)
(* in *)
(* let+ (commit, locations, references), Command.ComputedHash handle21 = *)
(* Command.commit_and_perform commit locations command_write3 *)
(* in *)
(* let command_write4 : Command.t = *)
(* { *)
(* kind = Command.WRITE; *)
(* timestamp = 10.0; *)
(* hash = ""; *)
(* content = "Mouse"; *)
(* entity_id = Some 1L; *)
(* filename = "user/last-name"; *)
(* } *)
(* in *)
(* let+ (commit, locations, references), Command.ComputedHash handle22 = *)
(* Command.commit_and_perform commit locations command_write4 *)
(* in *)
(* let entity_id = 2L in *)
(* let command_write5 : Command.t = *)
(* { *)
(* kind = Command.WRITE; *)
(* timestamp = 10.0; *)
(* hash = ""; *)
(* content = "Billie"; *)
(* entity_id = Some 2L; *)
(* filename = "user/first-name"; *)
(* } *)
(* in *)
(* let+ (commit, locations, references), Command.ComputedHash handle31 = *)
(* Command.commit_and_perform commit locations command_write5 *)
(* in *)
(* let command_write6 : Command.t = *)
(* { *)
(* kind = Command.WRITE; *)
(* timestamp = 10.0; *)
(* hash = ""; *)
(* content = "Beans"; *)
(* entity_id = Some 2L; *)
(* filename = "user/last-name"; *)
(* } *)
(* in *)
(* let+ (commit, locations, references), Command.ComputedHash handle32 = *)
(* Command.commit_and_perform commit locations command_write6 *)
(* in *)
let+ _, (Command.Read content as response) =
Command.perform commit locations (SequentialRead { relation_name = "user" })
in
print_endline (Command.show_return response);
Ok (commit, locations)
[@@warning "-8-27-26"]
(* Suppress pattern match incomplete warnings *)
|
