builder-web/bin/migrations/m20210126.ml

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let new_version = 1L and old_version = 0L
let identifier = "2021-01-26"
let migrate_doc = "add column main_binary to build"
let rollback_doc = "remove column main_binary from build"
let set_application_id =
Caqti_request.exec
Caqti_type.unit
(Printf.sprintf "PRAGMA application_id = %ld" Builder_db.application_id)
let alter_build =
Caqti_request.exec ~oneshot:true
Caqti_type.unit
"ALTER TABLE build ADD COLUMN main_binary TEXT"
let all_builds =
Caqti_request.collect ~oneshot:true
Caqti_type.unit
Caqti_type.int64
"SELECT id FROM build"
let bin_artifact =
Caqti_request.collect ~oneshot:true
Caqti_type.int64
Caqti_type.(tup2 int64 string)
"SELECT id, filepath FROM build_artifact WHERE build = ? AND filepath LIKE 'bin/%'"
let set_main_binary =
Caqti_request.exec ~oneshot:true
Caqti_type.(tup2 int64 (option string))
"UPDATE build SET main_binary = $2 WHERE id = $1"
let migrate _datadir (module Db : Caqti_blocking.CONNECTION) =
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let open Grej.Infix in
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Grej.check_version ~application_id:0l ~user_version:0L (module Db) >>= fun () ->
Db.exec alter_build () >>= fun () ->
Db.collect_list all_builds () >>= fun builds ->
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Grej.list_iter_result (fun build ->
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Db.collect_list bin_artifact build >>= function
| [_id, main_binary] ->
Db.exec set_main_binary (build, Some main_binary)
| [] ->
Logs.debug (fun m -> m "No binaries for build id %Ld" build);
Ok ()
| binaries ->
Logs.warn (fun m -> m "More than one binary for build id %Ld" build);
Logs.debug (fun m -> m "binaries: [%a]" Fmt.(list ~sep:(any ";") string)
(List.map snd binaries));
Ok ())
builds >>= fun () ->
Db.exec Builder_db.set_application_id () >>= fun () ->
Db.exec (Grej.set_version new_version) ()
let rename_build =
Caqti_request.exec
Caqti_type.unit
"ALTER TABLE build RENAME TO __tmp_build"
let create_build =
Caqti_request.exec
Caqti_type.unit
{| CREATE TABLE build (
id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
uuid VARCHAR(36) NOT NULL UNIQUE,
start_d INTEGER NOT NULL,
start_ps INTEGER NOT NULL,
finish_d INTEGER NOT NULL,
finish_ps INTEGER NOT NULL,
result_kind TINYINT NOT NULL,
result_code INTEGER,
result_msg TEXT,
console BLOB NOT NULL,
script TEXT NOT NULL,
job INTEGER NOT NULL,
FOREIGN KEY(job) REFERENCES job(id)
)
|}
let rollback_data =
Caqti_request.exec
Caqti_type.unit
{| INSERT INTO build
SELECT id, uuid, start_d, start_ps, finish_d, finish_ps,
result_kind, result_code, result_msg, console, script, job
FROM __tmp_build
|}
let rollback _datadir (module Db : Caqti_blocking.CONNECTION) =
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let open Grej.Infix in
Grej.check_version ~user_version:new_version (module Db) >>= fun () ->
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Db.exec rename_build () >>= fun () ->
Db.exec create_build () >>= fun () ->
Db.exec rollback_data () >>= fun () ->
Db.exec (Grej.set_version old_version) ()