package irmin-pack

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in-package search v0.2.0

Irmin backend which stores values in a pack file

Install

Dune Dependency

github.com Readme Changelog ISC License Edit opam file Versions (44)

Authors

T

Thomas Gazagnaire

Maintainers

T

thomas@gazagnaire.org

Sources

irmin-3.3.2.tbz

sha256=95a87ecc3dc2b35eee56cb351c32d2bd78c8967180a4b028324d815bfce1a6ff

sha512=20faba561c80c5389e91993d7e2cc0cedd1330cf098b68f0456f5068cde369a5589a05cd2aeb0a701d65a7d1e1e6f4045ccfbf60349cbea2bfd02981d7bb244c

doc/irmin-pack.unix/Irmin_pack_unix/File_manager/Make/argument-4-Index/index.html

Parameter `Make.Index`

An abstraction on top of the index library that exposes an API that better fits the irmin-pack use case.

type t

type key

type value = Optint.Int63.t * int * Irmin_pack.Pack_value.Kind.t

include Index.S with type value := value and type t := t and type key := key

type cache

The type for caches of index instances.

val empty_cache : unit -> cache

Construct a new empty cache of index instances.

val clear : t -> unit

clear t clears t so that there are no more bindings in it.

val replace : ?overcommit:bool -> t -> key -> value -> unit

replace t k v binds k to v in t, replacing any existing binding of k.

If overcommit is true, the operation does not triger a merge, even if the caches are full. By default overcommit is false.

val sync : t -> unit

sync t syncs a read-only index with the files on disk. Raises RW_not_allowed if called by a read-write index.

val is_merging : t -> bool

is_merging t returns true if t is running a merge. Raises RO_not_allowed if called by a read-only index.

module Checks : sig ... end

Offline fsck-like utility for checking the integrity of Index stores built using this module.

val v_exn : 
  ?flush_callback:(unit -> unit) ->
  ?fresh:bool ->
  ?readonly:bool ->
  ?throttle:[ `Block_writes | `Overcommit_memory ] ->
  ?lru_size:int ->
  log_size:int ->
  string ->
  t

type error := [

| `Index_failure of string
| `Io_misc of Io.Unix.misc_error

]

val v : 
  ?flush_callback:(unit -> unit) ->
  ?fresh:bool ->
  ?readonly:bool ->
  ?throttle:[ `Block_writes | `Overcommit_memory ] ->
  ?lru_size:int ->
  log_size:int ->
  string ->
  (t, [> error ]) result

val reload : t -> (unit, [> error ]) result

val close : t -> (unit, [> error ]) result

val close_exn : t -> unit

val flush : t -> with_fsync:bool -> (unit, [> error ]) result

val find : t -> key -> value option

val add : ?overcommit:bool -> t -> key -> value -> unit

val merge : t -> unit

val mem : t -> key -> bool

val iter : (key -> value -> unit) -> t -> unit

val filter : t -> ((key * value) -> bool) -> unit

val try_merge : t -> unit

module Stats = Index.Stats

module Key : Index.Key.S with type t = key