Azure Cosmos DB SDK for Rust (NoSQL API). Use for document CRUD, queries, containers, and globally distributed data. Triggers: "cosmos db rust", "CosmosClient rust", "container", "document rust", "NoSQL rust", "partition key".
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Client library for Azure Cosmos DB NoSQL API — globally distributed, multi-model database.
cargo add azure_data_cosmos azure_identity
COSMOS_ENDPOINT=https://<account>.documents.azure.com:443/
COSMOS_DATABASE=mydb
COSMOS_CONTAINER=mycontainer
use azure_identity::DeveloperToolsCredential;
use azure_data_cosmos::CosmosClient;
let credential = DeveloperToolsCredential::new(None)?;
let client = CosmosClient::new(
"https://<account>.documents.azure.com:443/",
credential.clone(),
None,
)?;
| Client | Purpose | Get From |
|---|---|---|
CosmosClient | Account-level operations | Direct instantiation |
DatabaseClient | Database operations | client.database_client() |
ContainerClient | Container/item operations | database.container_client() |
let database = client.database_client("myDatabase");
let container = database.container_client("myContainer");
use serde::{Serialize, Deserialize};
#[derive(Serialize, Deserialize)]
struct Item {
pub id: String,
pub partition_key: String,
pub value: String,
}
let item = Item {
id: "1".into(),
partition_key: "partition1".into(),
value: "hello".into(),
};
container.create_item("partition1", item, None).await?;
let response = container.read_item("partition1", "1", None).await?;
let item: Item = response.into_model()?;
let mut item: Item = container.read_item("partition1", "1", None).await?.into_model()?;
item.value = "updated".into();
container.replace_item("partition1", "1", item, None).await?;
use azure_data_cosmos::models::PatchDocument;
let patch = PatchDocument::default()
.with_add("/newField", "newValue")?
.with_remove("/oldField")?;
container.patch_item("partition1", "1", patch, None).await?;
container.delete_item("partition1", "1", None).await?;
Enable key-based authentication with feature flag:
cargo add azure_data_cosmos --features key_auth
into_model()? — to deserialize responses into your typesSerialize and Deserialize — for all document typesDeveloperToolsCredential over key auth| Resource | Link |
|---|---|
| API Reference | https://docs.rs/azure_data_cosmos |
| Source Code | https://github.com/Azure/azure-sdk-for-rust/tree/main/sdk/cosmos/azure_data_cosmos |
| crates.io | https://crates.io/crates/azure_data_cosmos |