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DataStax Astra DB Classic Documentation

    • Overview
      • Release notes
      • Astra DB FAQs
      • Astra DB glossary
      • Get support
    • Getting Started
      • Grant a user access
      • Load and retrieve data
        • Use DSBulk to load data
        • Use Data Loader in Astra Portal
      • Connect a driver
      • Build sample apps
      • Use integrations
        • Connect with DataGrip
        • Connect with DBSchema
        • Connect with JanusGraph
        • Connect with Strapi
    • Planning
      • Plan options
      • Database regions
    • Securing
      • Security highlights
      • Security guidelines
      • Default user permissions
      • Change your password
      • Reset your password
      • Authentication and Authorization
      • Astra DB Plugin for HashiCorp Vault
    • Connecting
      • Connecting to a VPC
      • Connecting Change Data Capture (CDC)
      • Connecting CQL console
      • Connect the Spark Cassandra Connector to Astra
      • Drivers for Astra DB
        • Connecting C++ driver
        • Connecting C# driver
        • Connecting Java driver
        • Connecting Node.js driver
        • Connecting Python driver
        • Drivers retry policies
      • Connecting Legacy drivers
      • Get Secure Connect Bundle
    • Migrating
      • FAQs
      • Preliminary steps
        • Feasibility checks
        • Deployment and infrastructure considerations
        • Create target environment for migration
        • Understand rollback options
      • Phase 1: Deploy ZDM Proxy and connect client applications
        • Set up the ZDM Automation with ZDM Utility
        • Deploy the ZDM Proxy and monitoring
          • Configure Transport Layer Security
        • Connect client applications to ZDM Proxy
        • Manage your ZDM Proxy instances
      • Phase 2: Migrate and validate data
      • Phase 3: Enable asynchronous dual reads
      • Phase 4: Change read routing to Target
      • Phase 5: Connect client applications directly to Target
      • Troubleshooting
        • Troubleshooting tips
        • Troubleshooting scenarios
      • Additional resources
        • Glossary
        • Contribution guidelines
        • Release Notes
    • Managing
      • Managing your organization
        • User permissions
        • Pricing and billing
        • Audit Logs
        • Configuring SSO
          • Configure SSO for Microsoft Azure AD
          • Configure SSO for Okta
          • Configure SSO for OneLogin
      • Managing your database
        • Create your database
        • View your databases
        • Database statuses
        • Use DSBulk to load data
        • Use Data Loader in Astra Portal
        • Monitor your databases
        • Manage multiple keyspaces
        • Using multiple regions
        • Terminate your database
        • Resize your classic database
        • Park your classic database
        • Unpark your classic database
      • Managing with DevOps API
        • Managing database lifecycle
        • Managing roles
        • Managing users
        • Managing tokens
        • Managing multiple regions
        • Get private endpoints
        • AWS PrivateLink
        • Azure PrivateLink
        • GCP Private Service
    • Astra CLI
    • Developing with Stargate APIs
      • Develop with REST
      • Develop with Document
      • Develop with GraphQL
        • Develop with GraphQL (CQL-first)
        • Develop with GraphQL (Schema-first)
      • Develop with gRPC
        • gRPC Rust client
        • gRPC Go client
        • gRPC Node.js client
        • gRPC Java client
      • Develop with CQL
      • Tooling Resources
      • Node.js Document API client
      • Node.js REST API client
    • Stargate QuickStarts
      • Document API QuickStart
      • REST API QuickStart
      • GraphQL API CQL-first QuickStart
    • API References
      • DevOps REST API v2
      • Stargate Document API v2
      • Stargate REST API v2
  • DataStax Astra DB Classic Documentation
  • Rust full sample script

Rust full sample script

To put all the pieces together, here is a sample script that combines all the pieces shown above:

  • Sample script

  • Result

use stargate_grpc::*;
use std::str::FromStr;
use std::error::Error;
use std::convert::TryInto;

#[tokio::main]
async fn main() -> Result<(), Box<dyn Error>> {

    // For Stargate OSS: create a client
    let mut client = StargateClient::builder()

    // For Stargate OSS running locally in docker container, set connect information:
    .uri("http://localhost:8090/")?                           // replace with a proper address
    .auth_token(AuthToken::from_str("721e9c04-e121-4bf4-b9a6-887ebeae2bc5")?)    // replace with a proper token
    .connect()
    .await?;

    println!("created client {:?}", client);

    // For Stargate OSS only: create a keyspace
    let create_keyspace = Query::builder()
        .query("CREATE KEYSPACE IF NOT EXISTS test WITH REPLICATION = {'class':'SimpleStrategy', 'replication_factor':1};")
        .build();
    client.execute_query(create_keyspace).await?;

    println!("created keyspace");

    // For Stargate OSS: create a table
    let create_table = Query::builder()
        // .keyspace("test")
        .query(
            "CREATE TABLE IF NOT EXISTS test.users \
                (firstname text, lastname text, PRIMARY KEY (firstname, lastname));",
        )
        .build();
     client.execute_query(create_table).await?;

     println!("created table");

    // For Stargate OSS: INSERT two rows/records
	//  Two queries will be run in a batch statement
    let batch = Batch::builder()
        .keyspace("test")                   // set the keyspace the query applies to
        .consistency(Consistency::One)      // set consistency level
        .query("INSERT INTO test.users (firstname, lastname) VALUES ('Lorina', 'Poland');")
        .query("INSERT INTO test.users (firstname, lastname) VALUES ('Doug', 'Wettlaufer');")
        .build();
    client.execute_batch(batch).await?;

    println!("insert data");

    // For Stargate OSS: SELECT the data to read from the table
    // Select/query some data from the keyspace.table
    let query = Query::builder()
        .keyspace("test")
        .consistency(Consistency::One)
        .query("SELECT firstname, lastname FROM test.users;")
        .build();

     println!("select executed");

    // Get the results from the execute query statement and convert into a ResultSet
    let response = client.execute_query(query).await?;
    let result_set: ResultSet = response.try_into()?;

    // This for loop to get the results
    for row in result_set.rows {
        let (firstname, lastname): (String, String) = row.try_into()?;
        println!("{} {}", firstname, lastname);
    }
    println!("everything worked!");
    Ok(())
}
created client StargateClient { inner: Grpc { inner: InterceptedService { inner: Channel, f: stargate_grpc::client::AuthToken } } }
created keyspace
created table
insert data
select executed
Jane Doe
Serge Provencio
everything worked!

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