builder-web/bin/migrations/m20210218.ml

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let old_user_version = 2L
let new_user_version = 3L
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let new_build_artifact =
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Caqti_request.exec ~oneshot:true
Caqti_type.unit
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{| CREATE TABLE new_build_artifact (
id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
filepath TEXT NOT NULL, -- the path as in the build
localpath TEXT NOT NULL, -- local path to the file on disk
sha256 BLOB NOT NULL,
size INTEGER NOT NULL,
build INTEGER NOT NULL,
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FOREIGN KEY(build) REFERENCES build(id),
UNIQUE(build, filepath)
)
|}
let new_build_file =
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Caqti_request.exec ~oneshot:true
Caqti_type.unit
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{| CREATE TABLE new_build_file (
id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
filepath TEXT NOT NULL, -- the path as in the build
localpath TEXT NOT NULL, -- local path to the file on disk
sha256 BLOB NOT NULL,
size INTEGER NOT NULL,
build INTEGER NOT NULL,
FOREIGN KEY(build) REFERENCES build(id),
UNIQUE(build, filepath)
)
|}
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let collect_build_artifact =
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Caqti_request.collect ~oneshot:true
Caqti_type.unit
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Caqti_type.(tup3 int64 (tup3 string string octets) int64)
"SELECT id, filepath, localpath, sha256, build FROM build_artifact"
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let collect_build_file =
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Caqti_request.collect ~oneshot:true
Caqti_type.unit
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Caqti_type.(tup3 int64 (tup3 string string octets) int64)
"SELECT id, filepath, localpath, sha256, build FROM build_file"
let insert_new_build_artifact =
Caqti_request.exec ~oneshot:true
Caqti_type.(tup3 int64 (tup4 string string octets int64) int64)
{| INSERT INTO new_build_artifact (id, filepath, localpath, sha256, size, build)
VALUES (?, ?, ?, ?, ?, ?)
|}
let insert_new_build_file =
Caqti_request.exec ~oneshot:true
Caqti_type.(tup3 int64 (tup4 string string octets int64) int64)
{| INSERT INTO new_build_file (id, filepath, localpath, sha256, size, build)
VALUES (?, ?, ?, ?, ?, ?)
|}
let drop_build_artifact =
Caqti_request.exec ~oneshot:true
Caqti_type.unit
"DROP TABLE build_artifact"
let drop_build_file =
Caqti_request.exec ~oneshot:true
Caqti_type.unit
"DROP TABLE build_file"
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let rename_build_artifact =
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Caqti_request.exec ~oneshot:true
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Caqti_type.unit
"ALTER TABLE new_build_artifact RENAME TO build_artifact"
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let rename_build_file =
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Caqti_request.exec ~oneshot:true
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Caqti_type.unit
"ALTER TABLE new_build_file RENAME TO build_file"
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let migrate (module Db : Caqti_blocking.CONNECTION) =
let open Rresult.R.Infix in
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Grej.check_version ~user_version:old_user_version (module Db) >>= fun () ->
Db.exec new_build_artifact () >>= fun () ->
Db.rev_collect_list collect_build_artifact () >>= fun build_artifacts ->
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Grej.list_iter_result
(fun (id, (filepath, localpath, sha256), build) ->
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let stats = Unix.stat localpath in
Db.exec insert_new_build_artifact
(id, (filepath, localpath, sha256, Int64.of_int stats.st_size), build))
build_artifacts >>= fun () ->
Db.exec drop_build_artifact () >>= fun () ->
Db.exec rename_build_artifact () >>= fun () ->
Db.exec new_build_file () >>= fun () ->
Db.rev_collect_list collect_build_file () >>= fun build_files ->
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Grej.list_iter_result
(fun (id, (filepath, localpath, sha256), build) ->
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let stats = Unix.stat localpath in
Db.exec insert_new_build_file
(id, (filepath, localpath, sha256, Int64.of_int stats.st_size), build))
build_files >>= fun () ->
Db.exec drop_build_file () >>= fun () ->
Db.exec rename_build_file () >>= fun () ->
Db.exec (Grej.set_version new_user_version) ()
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let old_build_artifact =
Caqti_request.exec ~oneshot:true
Caqti_type.unit
{| CREATE TABLE new_build_artifact (
id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
filepath TEXT NOT NULL, -- the path as in the build
localpath TEXT NOT NULL, -- local path to the file on disk
sha256 BLOB NOT NULL,
build INTEGER NOT NULL,
FOREIGN KEY(build) REFERENCES build(id),
UNIQUE(build, filepath)
)
|}
let old_build_file =
Caqti_request.exec ~oneshot:true
Caqti_type.unit
{| CREATE TABLE new_build_file (
id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
filepath TEXT NOT NULL, -- the path as in the build
localpath TEXT NOT NULL, -- local path to the file on disk
sha256 BLOB NOT NULL,
build INTEGER NOT NULL,
FOREIGN KEY(build) REFERENCES build(id),
UNIQUE(build, filepath)
)
|}
let copy_build_artifact =
Caqti_request.exec ~oneshot:true
Caqti_type.unit
"INSERT INTO new_build_artifact SELECT id, filepath, localpath, sha256, build FROM build_artifact"
let copy_build_file =
Caqti_request.exec ~oneshot:true
Caqti_type.unit
"INSERT INTO new_build_file SELECT id, filepath, localpath, sha256, build FROM build_file"
let rollback (module Db : Caqti_blocking.CONNECTION) =
let open Rresult.R.Infix in
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Grej.check_version ~user_version:new_user_version (module Db) >>= fun () ->
Db.exec old_build_artifact () >>= fun () ->
Db.exec copy_build_artifact () >>= fun () ->
Db.exec drop_build_artifact () >>= fun () ->
Db.exec rename_build_artifact () >>= fun () ->
Db.exec old_build_file () >>= fun () ->
Db.exec copy_build_file () >>= fun () ->
Db.exec drop_build_file () >>= fun () ->
Db.exec rename_build_file () >>= fun () ->
Db.exec (Grej.set_version old_user_version) ()