Class Collection

Exposes the operations which are available to be performed against a collection. Namely the ability to perform KV operations.

Accessors

name

Methods

binary exists get getAllReplicas getAndLock getAndTouch getAnyReplica insert list lookupIn lookupInAllReplicas lookupInAnyReplica map mutateIn queryIndexes queue remove replace scan set touch unlock upsert

Accessors

name

  • get name(): string

  • The name of the collection this Collection object references.

    Returns string

Methods

binary

  • binary(): BinaryCollection

  • Returns a BinaryCollection object reference, allowing access to various binary operations possible against a collection.

    Returns BinaryCollection

exists

  • exists(key, options?, callback?): Promise<ExistsResult>

  • Checks whether a specific document exists or not.

    Parameters

    • key: string

      The document key to check for existence.

    • Optional options: ExistsOptions

      Optional parameters for this operation.

    • Optional callback: NodeCallback<ExistsResult>

      A node-style callback to be invoked after execution.

    Returns Promise<ExistsResult>

get

  • get(key, options?, callback?): Promise<GetResult>

  • Retrieves the value of a document from the collection.

    Parameters

    • key: string

      The document key to retrieve.

    • Optional options: GetOptions

      Optional parameters for this operation.

    • Optional callback: NodeCallback<GetResult>

      A node-style callback to be invoked after execution.

    Returns Promise<GetResult>

getAllReplicas

  • getAllReplicas(key, options?, callback?): Promise<GetReplicaResult[]>

  • Retrieves the value of the document from all available replicas. Note that as replication is asynchronous, each node may return a different value.

    Parameters

    Returns Promise<GetReplicaResult[]>

getAndLock

  • getAndLock(key, lockTime, options?, callback?): Promise<GetResult>

  • Locks a document and retrieves the value of that document at the time it is locked.

    Parameters

    • key: string

      The document key to retrieve and lock.

    • lockTime: number

      The amount of time to lock the document for, specified in seconds.

    • Optional options: GetAndLockOptions

      Optional parameters for this operation.

    • Optional callback: NodeCallback<GetResult>

      A node-style callback to be invoked after execution.

    Returns Promise<GetResult>

getAndTouch

  • getAndTouch(key, expiry, options?, callback?): Promise<GetResult>

  • Retrieves the value of the document and simultanously updates the expiry time for the same document.

    Parameters

    • key: string

      The document to fetch and touch.

    • expiry: number

      The new expiry to apply to the document, specified in seconds.

    • Optional options: GetAndTouchOptions

      Optional parameters for this operation.

    • Optional callback: NodeCallback<GetResult>

      A node-style callback to be invoked after execution.

    Returns Promise<GetResult>

getAnyReplica

  • getAnyReplica(key, options?, callback?): Promise<GetReplicaResult>

  • Retrieves the value of the document from any of the available replicas. This will return as soon as the first response is received from any replica node.

    Parameters

    Returns Promise<GetReplicaResult>

insert

  • insert(key, value, options?, callback?): Promise<MutationResult>

  • Inserts a new document to the collection, failing if the document already exists.

    Parameters

    • key: string

      The document key to insert.

    • value: any

      The value of the document to insert.

    • Optional options: InsertOptions

      Optional parameters for this operation.

    • Optional callback: NodeCallback<MutationResult>

      A node-style callback to be invoked after execution.

    Returns Promise<MutationResult>

list

  • list(key): CouchbaseList

  • Returns a CouchbaseList permitting simple list storage in a document.

    Parameters

    • key: string

      The document key the data-structure resides in.

    Returns CouchbaseList

lookupIn

  • lookupIn(key, specs, options?, callback?): Promise<LookupInResult>

  • Performs a lookup-in operation against a document, fetching individual fields or information about specific fields inside the document value.

    Parameters

    • key: string

      The document key to look in.

    • specs: LookupInSpec[]

      A list of specs describing the data to fetch from the document.

    • Optional options: LookupInOptions

      Optional parameters for this operation.

    • Optional callback: NodeCallback<LookupInResult>

      A node-style callback to be invoked after execution.

    Returns Promise<LookupInResult>

lookupInAllReplicas

  • lookupInAllReplicas(key, specs, options?, callback?): Promise<LookupInReplicaResult[]>

  • Performs a lookup-in operation against a document, fetching individual fields or information about specific fields inside the document value from all available replicas. Note that as replication is asynchronous, each node may return a different value.

    Parameters

    • key: string

      The document key to look in.

    • specs: LookupInSpec[]

      A list of specs describing the data to fetch from the document.

    • Optional options: LookupInOptions

      Optional parameters for this operation.

    • Optional callback: NodeCallback<LookupInReplicaResult[]>

      A node-style callback to be invoked after execution.

    Returns Promise<LookupInReplicaResult[]>

lookupInAnyReplica

  • lookupInAnyReplica(key, specs, options?, callback?): Promise<LookupInReplicaResult>

  • Performs a lookup-in operation against a document, fetching individual fields or information about specific fields inside the document value from any of the available replicas in the cluster.

    Parameters

    • key: string

      The document key to look in.

    • specs: LookupInSpec[]

      A list of specs describing the data to fetch from the document.

    • Optional options: LookupInOptions

      Optional parameters for this operation.

    • Optional callback: NodeCallback<LookupInReplicaResult>

      A node-style callback to be invoked after execution.

    Returns Promise<LookupInReplicaResult>

map

  • map(key): CouchbaseMap

  • Returns a CouchbaseMap permitting simple map storage in a document.

    Parameters

    • key: string

      The document key the data-structure resides in.

    Returns CouchbaseMap

mutateIn

  • mutateIn(key, specs, options?, callback?): Promise<MutateInResult>

  • Performs a mutate-in operation against a document. Allowing atomic modification of specific fields within a document. Also enables access to document extended-attributes.

    Parameters

    • key: string

      The document key to mutate.

    • specs: MutateInSpec[]

      A list of specs describing the operations to perform on the document.

    • Optional options: MutateInOptions

      Optional parameters for this operation.

    • Optional callback: NodeCallback<MutateInResult>

      A node-style callback to be invoked after execution.

    Returns Promise<MutateInResult>

queryIndexes

queue

  • queue(key): CouchbaseQueue

  • Returns a CouchbaseQueue permitting simple queue storage in a document.

    Parameters

    • key: string

      The document key the data-structure resides in.

    Returns CouchbaseQueue

remove

  • remove(key, options?, callback?): Promise<MutationResult>

  • Remove an existing document from the collection.

    Parameters

    • key: string

      The document key to remove.

    • Optional options: RemoveOptions

      Optional parameters for this operation.

    • Optional callback: NodeCallback<MutationResult>

      A node-style callback to be invoked after execution.

    Returns Promise<MutationResult>

replace

  • replace(key, value, options?, callback?): Promise<MutationResult>

  • Replaces the value of an existing document. Failing if the document does not exist.

    Parameters

    • key: string

      The document key to replace.

    • value: any

      The new value for the document.

    • Optional options: ReplaceOptions

      Optional parameters for this operation.

    • Optional callback: NodeCallback<MutationResult>

      A node-style callback to be invoked after execution.

    Returns Promise<MutationResult>

scan

  • scan(scanType, options?, callback?): Promise<ScanResult[]>

  • Performs a key-value scan operation.

    Use this API for low concurrency batch queries where latency is not a critical as the system may have to scan a lot of documents to find the matching documents. For low latency range queries, it is recommended that you use SQL++ with the necessary indexes.

    Parameters

    • scanType: RangeScan | SamplingScan | PrefixScan

      The type of scan to execute.

    • Optional options: ScanOptions

      Optional parameters for the scan operation.

    • Optional callback: NodeCallback<ScanResult[]>

      A node-style callback to be invoked after execution.

    Returns Promise<ScanResult[]>

set

  • set(key): CouchbaseSet

  • Returns a CouchbaseSet permitting simple set storage in a document.

    Parameters

    • key: string

      The document key the data-structure resides in.

    Returns CouchbaseSet

touch

  • touch(key, expiry, options?, callback?): Promise<MutationResult>

  • Updates the expiry on an existing document.

    Parameters

    • key: string

      The document key to touch.

    • expiry: number

      The new expiry to set for the document, specified in seconds.

    • Optional options: TouchOptions

      Optional parameters for this operation.

    • Optional callback: NodeCallback<MutationResult>

      A node-style callback to be invoked after execution.

    Returns Promise<MutationResult>

unlock

  • unlock(key, cas, options?, callback?): Promise<void>

  • Unlocks a previously locked document.

    Parameters

    • key: string

      The document key to unlock.

    • cas: CasInput

      The CAS of the document, used to validate lock ownership.

    • Optional options: UnlockOptions

      Optional parameters for this operation.

    • Optional callback: NodeCallback<void>

      A node-style callback to be invoked after execution.

    Returns Promise<void>

upsert

  • upsert(key, value, options?, callback?): Promise<MutationResult>

  • Upserts a document to the collection. This operation succeeds whether or not the document already exists.

    Parameters

    • key: string

      The document key to upsert.

    • value: any

      The new value for the document.

    • Optional options: UpsertOptions

      Optional parameters for this operation.

    • Optional callback: NodeCallback<MutationResult>

      A node-style callback to be invoked after execution.

    Returns Promise<MutationResult>

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