azure-cosmos-rust

# Azure Cosmos DB SDK for Rust Client library for Azure Cosmos DB NoSQL API — globally distributed, multi-model database. ## Installation ```sh cargo add azure_data_cosmos azure_identity ``` ## Environment Variables ```bash COSMOS_ENDPOINT=https://<account>.documents.azure.com:443/ COSMOS_DATABASE=mydb COSMOS_CONTAINER=mycontainer ``` ## Authentication ```rust 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 Hierarchy | Client | Purpose | Get From | |--------|---------|----------| | `CosmosClient` | Account-level operations | Direct instantiation | | `DatabaseClient` | Database operations | `client.database_client()` | | `ContainerClient` | Container/item operations | `database.container_client()` | ## Core Workflow ### Get Database and Container Clients ```rust let database = client.database_client("myDatabase"); let container = database.container_client("myContainer"); ``` ### Create Item ```rust 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?; ``` ### Read Item ``...