Rust

DynamoDB - ListTables

See more Amazon DynamoDB Examples

Returns an array of table names associated with the current account and endpoint. The output from ListTables is paginated, with each page returning a maximum of 100 table names. Rust

let rest = chilkat::Rest::new();

// Implements the following CURL command:

// curl -X POST https://dynamodb.us-west-2.amazonaws.com/ \
//   -H "Accept-Encoding: identity" \
//   -H "Content-Type: application/x-amz-json-1.0" \
//   -H "Authorization: AWS4-HMAC-SHA256 Credential=<Credential>, SignedHeaders=<Headers>, Signature=<Signature>" \
//   -H "X-Amz-Date: <Date>" \
//   -H "X-Amz-Target: DynamoDB_20120810.ListTables" \
//   -d '{
//     "Limit": 100
// }'

// Use the following online tool to generate REST code from a CURL command
// Convert a cURL Command to REST Source Code

let auth_aws = chilkat::AuthAws::new();
auth_aws.set_access_key("AWS_ACCESS_KEY");
auth_aws.set_secret_key("AWS_SECRET_KEY");
// Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
auth_aws.set_region("us-west-2");
auth_aws.set_service_name("dynamodb");

// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
let _ = rest.set_auth_aws(&auth_aws);

// URL: https://dynamodb.us-west-2.amazonaws.com/
let b_tls = true;
let port = 443;
let b_auto_reconnect = true;
// Don't forget to change the region domain (us-west-2.amazonaws.com) to your particular region.
if rest.connect("dynamodb.us-west-2.amazonaws.com", port, b_tls, b_auto_reconnect).is_err() {
    println!("ConnectFailReason: {}", rest.connect_fail_reason());
    println!("{}", rest.last_error_text());
    return;
}

// Note: The above code does not need to be repeatedly called for each REST request.
// The rest object can be setup once, and then many requests can be sent.  Chilkat will automatically
// reconnect within a FullRequest* method as needed.  It is only the very first connection that is explicitly
// made via the Connect method.

// Use this online tool to generate code from sample JSON:
// Generate Code to Create JSON

// The following JSON is sent in the request body.

// {
//   "Limit": 100
// }

let json = chilkat::JsonObject::new();
let _ = json.update_int("Limit", 100);

let _ = rest.add_header("Content-Type", "application/x-amz-json-1.0");
let _ = rest.add_header("X-Amz-Target", "DynamoDB_20120810.ListTables");
let _ = rest.add_header("Accept-Encoding", "identity");

let sb_request_body = chilkat::StringBuilder::new();
let _ = json.emit_sb(&sb_request_body);
let sb_response_body = chilkat::StringBuilder::new();
if rest.full_request_sb("POST", "/", &sb_request_body, &sb_response_body).is_err() {
    println!("{}", rest.last_error_text());
    return;
}

let resp_status_code = rest.response_status_code();
println!("response status code = {}", resp_status_code);

if resp_status_code >= 400 {
    println!("Response Status Code = {}", resp_status_code);
    println!("Response Header:");
    println!("{}", rest.response_header());
    println!("Response Body:");
    println!("{}", sb_response_body.get_as_string().unwrap_or_default());
    return;
}

let json_response = chilkat::JsonObject::new();
let _ = json_response.load_sb(&sb_response_body);

json_response.set_emit_compact(false);
println!("{}", json_response.emit().unwrap_or_default());

// Sample JSON response:

// {
//     "LastEvaluatedTableName": "Thread",
//     "TableNames": ["Forum","Reply","Thread"]
// }

let last_evaluated_table_name = json_response.string_of("LastEvaluatedTableName").unwrap_or_default();
let mut i = 0;
let count_i = json_response.size_of_array("TableNames");
while i < count_i {
    json_response.set_i(i);
    let _ = json_response.string_of("TableNames[i]").unwrap_or_default();
    i = i + 1;
}