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Items class

Package:
@azure/cosmos

Operations for creating new items, and reading/querying all items

See Item for reading, replacing, or deleting an existing container; use .item(id).

Properties

container

Methods

batch(OperationInput[], PartitionKey, RequestOptions)

Execute transactional batch operations on items.

Batch takes an array of Operations which are typed based on what the operation does. Batch is transactional and will rollback all operations if one fails. The choices are: Create, Upsert, Read, Replace, and Delete

Usage example:

import { CosmosClient, OperationInput } from "@azure/cosmos";

const endpoint = "https://your-account.documents.azure.com";
const key = "<database account masterkey>";
const client = new CosmosClient({ endpoint, key });

const { database } = await client.databases.createIfNotExists({ id: "Test Database" });

const { container } = await database.containers.createIfNotExists({ id: "Test Container" });

// The partitionKey is a required second argument. If it’s undefined, it defaults to the expected partition key format.
const operations: OperationInput[] = [
  {
    operationType: "Create",
    resourceBody: { id: "doc1", name: "sample", key: "A" },
  },
  {
    operationType: "Upsert",
    resourceBody: { id: "doc2", name: "other", key: "A" },
  },
];

await container.items.batch(operations, "A");
bulk(OperationInput[], BulkOptions, RequestOptions)

Execute bulk operations on items.

Bulk takes an array of Operations which are typed based on what the operation does. The choices are: Create, Upsert, Read, Replace, and Delete

Usage example:

import { CosmosClient, OperationInput } from "@azure/cosmos";

const endpoint = "https://your-account.documents.azure.com";
const key = "<database account masterkey>";
const client = new CosmosClient({ endpoint, key });

const { database } = await client.databases.createIfNotExists({ id: "Test Database" });

const { container } = await database.containers.createIfNotExists({ id: "Test Container" });

// partitionKey is optional at the top level if present in the resourceBody
const operations: OperationInput[] = [
  {
    operationType: "Create",
    resourceBody: { id: "doc1", name: "sample", key: "A" },
  },
  {
    operationType: "Upsert",
    partitionKey: "A",
    resourceBody: { id: "doc2", name: "other", key: "A" },
  },
];

await container.items.bulk(operations);
changeFeed(ChangeFeedOptions)

Create a ChangeFeedIterator to iterate over pages of changes
changeFeed(PartitionKey, ChangeFeedOptions)

Create a ChangeFeedIterator to iterate over pages of changes

Example

Read from the beginning of the change feed.

const iterator = items.readChangeFeed({ startFromBeginning: true });
const firstPage = await iterator.fetchNext();
const firstPageResults = firstPage.result
const secondPage = await iterator.fetchNext();
changeFeed<T>(ChangeFeedOptions)

Create a ChangeFeedIterator to iterate over pages of changes
changeFeed<T>(PartitionKey, ChangeFeedOptions)

Create a ChangeFeedIterator to iterate over pages of changes
create<T>(T, RequestOptions)

Create an item.

Any provided type, T, is not necessarily enforced by the SDK. You may get more or less properties and it's up to your logic to enforce it.

There is no set schema for JSON items. They may contain any number of custom properties.

Example

Create an item.

import { CosmosClient } from "@azure/cosmos";

const endpoint = "https://your-account.documents.azure.com";
const key = "<database account masterkey>";
const client = new CosmosClient({ endpoint, key });

const { database } = await client.databases.createIfNotExists({ id: "Test Database" });

const { container } = await database.containers.createIfNotExists({ id: "Test Container" });

const { resource: createdItem } = await container.items.create({
  id: "<item id>",
  properties: {},
});
executeBulkOperations(OperationInput[], RequestOptions)

Execute bulk operations on items.

Example

import { CosmosClient, OperationInput } from "@azure/cosmos";

const endpoint = "https://your-account.documents.azure.com";
const key = "<database account masterkey>";
const client = new CosmosClient({ endpoint, key });

const { database } = await client.databases.createIfNotExists({ id: "Test Database" });

const { container } = await database.containers.createIfNotExists({ id: "Test Container" });

const operations: OperationInput[] = [
  {
    operationType: "Create",
    resourceBody: { id: "doc1", name: "sample", key: "A" },
  },
  {
    operationType: "Upsert",
    partitionKey: "A",
    resourceBody: { id: "doc2", name: "other", key: "A" },
  },
];

await container.items.executeBulkOperations(operations);
getChangeFeedIterator<T>(ChangeFeedIteratorOptions)

Returns an iterator to iterate over pages of changes. The iterator returned can be used to fetch changes for a single partition key, feed range or an entire container.

Example

import {
  CosmosClient,
  PartitionKeyDefinitionVersion,
  PartitionKeyKind,
  ChangeFeedStartFrom,
} from "@azure/cosmos";

const endpoint = "https://your-account.documents.azure.com";
const key = "<database account masterkey>";
const client = new CosmosClient({ endpoint, key });

const { database } = await client.databases.createIfNotExists({ id: "Test Database" });

const containerDefinition = {
  id: "Test Database",
  partitionKey: {
    paths: ["/name", "/address/zip"],
    version: PartitionKeyDefinitionVersion.V2,
    kind: PartitionKeyKind.MultiHash,
  },
};
const { container } = await database.containers.createIfNotExists(containerDefinition);

const partitionKey = "some-partition-Key-value";
const options = {
  changeFeedStartFrom: ChangeFeedStartFrom.Beginning(partitionKey),
};

const iterator = container.items.getChangeFeedIterator(options);

while (iterator.hasMoreResults) {
  const response = await iterator.readNext();
  // process this response
}
getEncryptionQueryIterator(EncryptionQueryBuilder, FeedOptions)

Queries all items in an encrypted container.

Example

Read all items to array.

import { CosmosClient, EncryptionQueryBuilder } from "@azure/cosmos";

const endpoint = "https://your-account.documents.azure.com";
const key = "<database account masterkey>";
const client = new CosmosClient({ endpoint, key });

const { database } = await client.databases.createIfNotExists({ id: "Test Database" });

const { container } = await database.containers.createIfNotExists({ id: "Test Container" });

const queryBuilder = new EncryptionQueryBuilder(
  `SELECT firstname FROM Families f WHERE f.lastName = @lastName`,
);
queryBuilder.addParameter("@lastName", "Hendricks", "/lastname");
const queryIterator = await container.items.getEncryptionQueryIterator(queryBuilder);
const { resources: items } = await queryIterator.fetchAll();
query(string | SqlQuerySpec, FeedOptions)

Queries all items.

Example

Read all items to array.

import { CosmosClient, SqlQuerySpec } from "@azure/cosmos";

const endpoint = "https://your-account.documents.azure.com";
const key = "<database account masterkey>";
const client = new CosmosClient({ endpoint, key });

const { database } = await client.databases.createIfNotExists({ id: "Test Database" });

const { container } = await database.containers.createIfNotExists({ id: "Test Container" });

const querySpec: SqlQuerySpec = {
  query: `SELECT * FROM Families f WHERE f.lastName = @lastName`,
  parameters: [{ name: "@lastName", value: "Hendricks" }],
};
const { resources: items } = await container.items.query(querySpec).fetchAll();
query<T>(string | SqlQuerySpec, FeedOptions)

Queries all items.

Example

Read all items to array.

import { CosmosClient, SqlQuerySpec } from "@azure/cosmos";

const endpoint = "https://your-account.documents.azure.com";
const key = "<database account masterkey>";
const client = new CosmosClient({ endpoint, key });

const { database } = await client.databases.createIfNotExists({ id: "Test Database" });

const { container } = await database.containers.createIfNotExists({ id: "Test Container" });

const querySpec: SqlQuerySpec = {
  query: `SELECT * FROM Families f WHERE f.lastName = @lastName`,
  parameters: [{ name: "@lastName", value: "Hendricks" }],
};
const { resources: items } = await container.items.query(querySpec).fetchAll();
readAll(FeedOptions)

Read all items.

There is no set schema for JSON items. They may contain any number of custom properties.

Example

Read all items to array.

import { CosmosClient } from "@azure/cosmos";

const endpoint = "https://your-account.documents.azure.com";
const key = "<database account masterkey>";
const client = new CosmosClient({ endpoint, key });

const { database } = await client.databases.createIfNotExists({ id: "Test Database" });

const { container } = await database.containers.createIfNotExists({ id: "Test Container" });

const { resources: containerList } = await container.items.readAll().fetchAll();
readAll<T>(FeedOptions)

Read all items.

Any provided type, T, is not necessarily enforced by the SDK. You may get more or less properties and it's up to your logic to enforce it.

There is no set schema for JSON items. They may contain any number of custom properties.

Example

Read all items to array.

import { CosmosClient } from "@azure/cosmos";

const endpoint = "https://your-account.documents.azure.com";
const key = "<database account masterkey>";
const client = new CosmosClient({ endpoint, key });

const { database } = await client.databases.createIfNotExists({ id: "Test Database" });

const { container } = await database.containers.createIfNotExists({ id: "Test Container" });

const { resources: containerList } = await container.items.readAll().fetchAll();
readChangeFeed(ChangeFeedOptions)

Create a ChangeFeedIterator to iterate over pages of changes
readChangeFeed(PartitionKey, ChangeFeedOptions)

Create a ChangeFeedIterator to iterate over pages of changes

Example

Read from the beginning of the change feed.

const iterator = items.readChangeFeed({ startFromBeginning: true });
const firstPage = await iterator.fetchNext();
const firstPageResults = firstPage.result
const secondPage = await iterator.fetchNext();
readChangeFeed<T>(ChangeFeedOptions)

Create a ChangeFeedIterator to iterate over pages of changes
readChangeFeed<T>(PartitionKey, ChangeFeedOptions)

Create a ChangeFeedIterator to iterate over pages of changes
upsert(unknown, RequestOptions)

Upsert an item.

There is no set schema for JSON items. They may contain any number of custom properties.
upsert<T>(T, RequestOptions)

Upsert an item.

Any provided type, T, is not necessarily enforced by the SDK. You may get more or less properties and it's up to your logic to enforce it.

There is no set schema for JSON items. They may contain any number of custom properties.

Example

Upsert an item.

import { CosmosClient } from "@azure/cosmos";

const endpoint = "https://your-account.documents.azure.com";
const key = "<database account masterkey>";
const client = new CosmosClient({ endpoint, key });

const { database } = await client.databases.createIfNotExists({ id: "Test Database" });

const { container } = await database.containers.createIfNotExists({ id: "Test Container" });

const { resource: createdItem1 } = await container.items.create({
  id: "<item id 1>",
  properties: {},
});

const { resource: upsertItem1 } = await container.items.upsert({
  id: "<item id 1>",
  updated_properties: {},
});

const { resource: upsertItem2 } = await container.items.upsert({
  id: "<item id 2>",
  properties: {},
});

Property Details

container 

container: Container

Property Value

Container

Method Details

batch(OperationInput[], PartitionKey, RequestOptions)

Execute transactional batch operations on items.

Batch takes an array of Operations which are typed based on what the operation does. Batch is transactional and will rollback all operations if one fails. The choices are: Create, Upsert, Read, Replace, and Delete

Usage example:

import { CosmosClient, OperationInput } from "@azure/cosmos";

const endpoint = "https://your-account.documents.azure.com";
const key = "<database account masterkey>";
const client = new CosmosClient({ endpoint, key });

const { database } = await client.databases.createIfNotExists({ id: "Test Database" });

const { container } = await database.containers.createIfNotExists({ id: "Test Container" });

// The partitionKey is a required second argument. If it’s undefined, it defaults to the expected partition key format.
const operations: OperationInput[] = [
  {
    operationType: "Create",
    resourceBody: { id: "doc1", name: "sample", key: "A" },
  },
  {
    operationType: "Upsert",
    resourceBody: { id: "doc2", name: "other", key: "A" },
  },
];

await container.items.batch(operations, "A");

function batch(operations: OperationInput[], partitionKey?: PartitionKey, options?: RequestOptions): Promise<Response<OperationResponse[]>>

Parameters

operations

OperationInput[]

List of operations. Limit 100

partitionKey
PartitionKey
options
RequestOptions

Used for modifying the request

Returns

Promise<Response<OperationResponse[]>>

bulk(OperationInput[], BulkOptions, RequestOptions)

Execute bulk operations on items.

Bulk takes an array of Operations which are typed based on what the operation does. The choices are: Create, Upsert, Read, Replace, and Delete

Usage example:

import { CosmosClient, OperationInput } from "@azure/cosmos";

const endpoint = "https://your-account.documents.azure.com";
const key = "<database account masterkey>";
const client = new CosmosClient({ endpoint, key });

const { database } = await client.databases.createIfNotExists({ id: "Test Database" });

const { container } = await database.containers.createIfNotExists({ id: "Test Container" });

// partitionKey is optional at the top level if present in the resourceBody
const operations: OperationInput[] = [
  {
    operationType: "Create",
    resourceBody: { id: "doc1", name: "sample", key: "A" },
  },
  {
    operationType: "Upsert",
    partitionKey: "A",
    resourceBody: { id: "doc2", name: "other", key: "A" },
  },
];

await container.items.bulk(operations);

function bulk(operations: OperationInput[], bulkOptions?: BulkOptions, options?: RequestOptions): Promise<BulkOperationResponse>

Parameters

operations

OperationInput[]

List of operations. Limit 100

bulkOptions
BulkOptions

Optional options object to modify bulk behavior. Pass { continueOnError: false } to stop executing operations when one fails. (Defaults to true)

options
RequestOptions

Used for modifying the request.

Returns

Promise<BulkOperationResponse>

changeFeed(ChangeFeedOptions)

Warning

This API is now deprecated.

Use getChangeFeedIterator instead.

Create a ChangeFeedIterator to iterate over pages of changes

function changeFeed(changeFeedOptions?: ChangeFeedOptions): ChangeFeedIterator<any>

Parameters

changeFeedOptions
ChangeFeedOptions

Returns

ChangeFeedIterator<any>

changeFeed(PartitionKey, ChangeFeedOptions)

Warning

This API is now deprecated.

Use getChangeFeedIterator instead.

Create a ChangeFeedIterator to iterate over pages of changes

Example

Read from the beginning of the change feed.

const iterator = items.readChangeFeed({ startFromBeginning: true });
const firstPage = await iterator.fetchNext();
const firstPageResults = firstPage.result
const secondPage = await iterator.fetchNext();

function changeFeed(partitionKey: PartitionKey, changeFeedOptions?: ChangeFeedOptions): ChangeFeedIterator<any>

Parameters

partitionKey
PartitionKey
changeFeedOptions
ChangeFeedOptions

Returns

ChangeFeedIterator<any>

changeFeed<T>(ChangeFeedOptions)

Warning

This API is now deprecated.

Use getChangeFeedIterator instead.

Create a ChangeFeedIterator to iterate over pages of changes

function changeFeed<T>(changeFeedOptions?: ChangeFeedOptions): ChangeFeedIterator<T>

Parameters

changeFeedOptions
ChangeFeedOptions

Returns

ChangeFeedIterator<T>

changeFeed<T>(PartitionKey, ChangeFeedOptions)

Warning

This API is now deprecated.

Use getChangeFeedIterator instead.

Create a ChangeFeedIterator to iterate over pages of changes

function changeFeed<T>(partitionKey: PartitionKey, changeFeedOptions?: ChangeFeedOptions): ChangeFeedIterator<T>

Parameters

partitionKey
PartitionKey
changeFeedOptions
ChangeFeedOptions

Returns

ChangeFeedIterator<T>

create<T>(T, RequestOptions)

Create an item.

Any provided type, T, is not necessarily enforced by the SDK. You may get more or less properties and it's up to your logic to enforce it.

There is no set schema for JSON items. They may contain any number of custom properties.

Example

Create an item.

import { CosmosClient } from "@azure/cosmos";

const endpoint = "https://your-account.documents.azure.com";
const key = "<database account masterkey>";
const client = new CosmosClient({ endpoint, key });

const { database } = await client.databases.createIfNotExists({ id: "Test Database" });

const { container } = await database.containers.createIfNotExists({ id: "Test Container" });

const { resource: createdItem } = await container.items.create({
  id: "<item id>",
  properties: {},
});

function create<T>(body: T, options?: RequestOptions): Promise<ItemResponse<T>>

Parameters

body

T

Represents the body of the item. Can contain any number of user defined properties.

options
RequestOptions

Used for modifying the request (for instance, specifying the partition key).

Returns

Promise<ItemResponse<T>>

executeBulkOperations(OperationInput[], RequestOptions)

Execute bulk operations on items.

Example

import { CosmosClient, OperationInput } from "@azure/cosmos";

const endpoint = "https://your-account.documents.azure.com";
const key = "<database account masterkey>";
const client = new CosmosClient({ endpoint, key });

const { database } = await client.databases.createIfNotExists({ id: "Test Database" });

const { container } = await database.containers.createIfNotExists({ id: "Test Container" });

const operations: OperationInput[] = [
  {
    operationType: "Create",
    resourceBody: { id: "doc1", name: "sample", key: "A" },
  },
  {
    operationType: "Upsert",
    partitionKey: "A",
    resourceBody: { id: "doc2", name: "other", key: "A" },
  },
];

await container.items.executeBulkOperations(operations);

function executeBulkOperations(operations: OperationInput[], options?: RequestOptions): Promise<BulkOperationResult[]>

Parameters

operations

OperationInput[]

List of operations

options
RequestOptions

used for modifying the request

Returns

Promise<BulkOperationResult[]>

list of operation results corresponding to the operations

getChangeFeedIterator<T>(ChangeFeedIteratorOptions)

Returns an iterator to iterate over pages of changes. The iterator returned can be used to fetch changes for a single partition key, feed range or an entire container.

Example

import {
  CosmosClient,
  PartitionKeyDefinitionVersion,
  PartitionKeyKind,
  ChangeFeedStartFrom,
} from "@azure/cosmos";

const endpoint = "https://your-account.documents.azure.com";
const key = "<database account masterkey>";
const client = new CosmosClient({ endpoint, key });

const { database } = await client.databases.createIfNotExists({ id: "Test Database" });

const containerDefinition = {
  id: "Test Database",
  partitionKey: {
    paths: ["/name", "/address/zip"],
    version: PartitionKeyDefinitionVersion.V2,
    kind: PartitionKeyKind.MultiHash,
  },
};
const { container } = await database.containers.createIfNotExists(containerDefinition);

const partitionKey = "some-partition-Key-value";
const options = {
  changeFeedStartFrom: ChangeFeedStartFrom.Beginning(partitionKey),
};

const iterator = container.items.getChangeFeedIterator(options);

while (iterator.hasMoreResults) {
  const response = await iterator.readNext();
  // process this response
}

function getChangeFeedIterator<T>(changeFeedIteratorOptions?: ChangeFeedIteratorOptions): ChangeFeedPullModelIterator<T>

Parameters

changeFeedIteratorOptions
ChangeFeedIteratorOptions

Returns

ChangeFeedPullModelIterator<T>

getEncryptionQueryIterator(EncryptionQueryBuilder, FeedOptions)

Queries all items in an encrypted container.

Example

Read all items to array.

import { CosmosClient, EncryptionQueryBuilder } from "@azure/cosmos";

const endpoint = "https://your-account.documents.azure.com";
const key = "<database account masterkey>";
const client = new CosmosClient({ endpoint, key });

const { database } = await client.databases.createIfNotExists({ id: "Test Database" });

const { container } = await database.containers.createIfNotExists({ id: "Test Container" });

const queryBuilder = new EncryptionQueryBuilder(
  `SELECT firstname FROM Families f WHERE f.lastName = @lastName`,
);
queryBuilder.addParameter("@lastName", "Hendricks", "/lastname");
const queryIterator = await container.items.getEncryptionQueryIterator(queryBuilder);
const { resources: items } = await queryIterator.fetchAll();

function getEncryptionQueryIterator(queryBuilder: EncryptionQueryBuilder, options?: FeedOptions): Promise<QueryIterator<ItemDefinition>>

Parameters

queryBuilder
EncryptionQueryBuilder

Query configuration for the operation. See SqlQuerySpec for more info on how to build a query on encrypted properties.

options
FeedOptions

Used for modifying the request (for instance, specifying the partition key).

Returns

Promise<QueryIterator<ItemDefinition>>

query(string | SqlQuerySpec, FeedOptions)

Queries all items.

Example

Read all items to array.

import { CosmosClient, SqlQuerySpec } from "@azure/cosmos";

const endpoint = "https://your-account.documents.azure.com";
const key = "<database account masterkey>";
const client = new CosmosClient({ endpoint, key });

const { database } = await client.databases.createIfNotExists({ id: "Test Database" });

const { container } = await database.containers.createIfNotExists({ id: "Test Container" });

const querySpec: SqlQuerySpec = {
  query: `SELECT * FROM Families f WHERE f.lastName = @lastName`,
  parameters: [{ name: "@lastName", value: "Hendricks" }],
};
const { resources: items } = await container.items.query(querySpec).fetchAll();

function query(query: string | SqlQuerySpec, options?: FeedOptions): QueryIterator<any>

Parameters

query

string | SqlQuerySpec

Query configuration for the operation. See SqlQuerySpec for more info on how to configure a query.

options
FeedOptions

Used for modifying the request (for instance, specifying the partition key).

Returns

QueryIterator<any>

query<T>(string | SqlQuerySpec, FeedOptions)

Queries all items.

Example

Read all items to array.

import { CosmosClient, SqlQuerySpec } from "@azure/cosmos";

const endpoint = "https://your-account.documents.azure.com";
const key = "<database account masterkey>";
const client = new CosmosClient({ endpoint, key });

const { database } = await client.databases.createIfNotExists({ id: "Test Database" });

const { container } = await database.containers.createIfNotExists({ id: "Test Container" });

const querySpec: SqlQuerySpec = {
  query: `SELECT * FROM Families f WHERE f.lastName = @lastName`,
  parameters: [{ name: "@lastName", value: "Hendricks" }],
};
const { resources: items } = await container.items.query(querySpec).fetchAll();

function query<T>(query: string | SqlQuerySpec, options?: FeedOptions): QueryIterator<T>

Parameters

query

string | SqlQuerySpec

Query configuration for the operation. See SqlQuerySpec for more info on how to configure a query.

options
FeedOptions

Used for modifying the request (for instance, specifying the partition key).

Returns

QueryIterator<T>

readAll(FeedOptions)

Read all items.

There is no set schema for JSON items. They may contain any number of custom properties.

Example

Read all items to array.

import { CosmosClient } from "@azure/cosmos";

const endpoint = "https://your-account.documents.azure.com";
const key = "<database account masterkey>";
const client = new CosmosClient({ endpoint, key });

const { database } = await client.databases.createIfNotExists({ id: "Test Database" });

const { container } = await database.containers.createIfNotExists({ id: "Test Container" });

const { resources: containerList } = await container.items.readAll().fetchAll();

function readAll(options?: FeedOptions): QueryIterator<ItemDefinition>

Parameters

options
FeedOptions

Used for modifying the request (for instance, specifying the partition key).

Returns

QueryIterator<ItemDefinition>

readAll<T>(FeedOptions)

Read all items.

Any provided type, T, is not necessarily enforced by the SDK. You may get more or less properties and it's up to your logic to enforce it.

There is no set schema for JSON items. They may contain any number of custom properties.

Example

Read all items to array.

import { CosmosClient } from "@azure/cosmos";

const endpoint = "https://your-account.documents.azure.com";
const key = "<database account masterkey>";
const client = new CosmosClient({ endpoint, key });

const { database } = await client.databases.createIfNotExists({ id: "Test Database" });

const { container } = await database.containers.createIfNotExists({ id: "Test Container" });

const { resources: containerList } = await container.items.readAll().fetchAll();

function readAll<T>(options?: FeedOptions): QueryIterator<T>

Parameters

options
FeedOptions

Used for modifying the request (for instance, specifying the partition key).

Returns

QueryIterator<T>

readChangeFeed(ChangeFeedOptions)

Warning

This API is now deprecated.

Use getChangeFeedIterator instead.

Create a ChangeFeedIterator to iterate over pages of changes

function readChangeFeed(changeFeedOptions?: ChangeFeedOptions): ChangeFeedIterator<any>

Parameters

changeFeedOptions
ChangeFeedOptions

Returns

ChangeFeedIterator<any>

readChangeFeed(PartitionKey, ChangeFeedOptions)

Warning

This API is now deprecated.

Use getChangeFeedIterator instead.

Create a ChangeFeedIterator to iterate over pages of changes

Example

Read from the beginning of the change feed.

const iterator = items.readChangeFeed({ startFromBeginning: true });
const firstPage = await iterator.fetchNext();
const firstPageResults = firstPage.result
const secondPage = await iterator.fetchNext();

function readChangeFeed(partitionKey: PartitionKey, changeFeedOptions?: ChangeFeedOptions): ChangeFeedIterator<any>

Parameters

partitionKey
PartitionKey
changeFeedOptions
ChangeFeedOptions

Returns

ChangeFeedIterator<any>

readChangeFeed<T>(ChangeFeedOptions)

Warning

This API is now deprecated.

Use getChangeFeedIterator instead.

Create a ChangeFeedIterator to iterate over pages of changes

function readChangeFeed<T>(changeFeedOptions?: ChangeFeedOptions): ChangeFeedIterator<T>

Parameters

changeFeedOptions
ChangeFeedOptions

Returns

ChangeFeedIterator<T>

readChangeFeed<T>(PartitionKey, ChangeFeedOptions)

Warning

This API is now deprecated.

Use getChangeFeedIterator instead.

Create a ChangeFeedIterator to iterate over pages of changes

function readChangeFeed<T>(partitionKey: PartitionKey, changeFeedOptions?: ChangeFeedOptions): ChangeFeedIterator<T>

Parameters

partitionKey
PartitionKey
changeFeedOptions
ChangeFeedOptions

Returns

ChangeFeedIterator<T>

upsert(unknown, RequestOptions)

Upsert an item.

There is no set schema for JSON items. They may contain any number of custom properties.

function upsert(body: unknown, options?: RequestOptions): Promise<ItemResponse<ItemDefinition>>

Parameters

body

unknown

Represents the body of the item. Can contain any number of user defined properties.

options
RequestOptions

Used for modifying the request (for instance, specifying the partition key).

Returns

Promise<ItemResponse<ItemDefinition>>

upsert<T>(T, RequestOptions)

Upsert an item.

Any provided type, T, is not necessarily enforced by the SDK. You may get more or less properties and it's up to your logic to enforce it.

There is no set schema for JSON items. They may contain any number of custom properties.

Example

Upsert an item.

import { CosmosClient } from "@azure/cosmos";

const endpoint = "https://your-account.documents.azure.com";
const key = "<database account masterkey>";
const client = new CosmosClient({ endpoint, key });

const { database } = await client.databases.createIfNotExists({ id: "Test Database" });

const { container } = await database.containers.createIfNotExists({ id: "Test Container" });

const { resource: createdItem1 } = await container.items.create({
  id: "<item id 1>",
  properties: {},
});

const { resource: upsertItem1 } = await container.items.upsert({
  id: "<item id 1>",
  updated_properties: {},
});

const { resource: upsertItem2 } = await container.items.upsert({
  id: "<item id 2>",
  properties: {},
});

function upsert<T>(body: T, options?: RequestOptions): Promise<ItemResponse<T>>

Parameters

body

T

Represents the body of the item. Can contain any number of user defined properties.

options
RequestOptions

Used for modifying the request (for instance, specifying the partition key).

Returns

Promise<ItemResponse<T>>