aws_sdk_resourceexplorer2/operation/
create_index.rs

1// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
2/// Orchestration and serialization glue logic for `CreateIndex`.
3#[derive(::std::clone::Clone, ::std::default::Default, ::std::fmt::Debug)]
4#[non_exhaustive]
5pub struct CreateIndex;
6impl CreateIndex {
7    /// Creates a new `CreateIndex`
8    pub fn new() -> Self {
9        Self
10    }
11    pub(crate) async fn orchestrate(
12        runtime_plugins: &::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins,
13        input: crate::operation::create_index::CreateIndexInput,
14    ) -> ::std::result::Result<
15        crate::operation::create_index::CreateIndexOutput,
16        ::aws_smithy_runtime_api::client::result::SdkError<
17            crate::operation::create_index::CreateIndexError,
18            ::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
19        >,
20    > {
21        let map_err = |err: ::aws_smithy_runtime_api::client::result::SdkError<
22            ::aws_smithy_runtime_api::client::interceptors::context::Error,
23            ::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
24        >| {
25            err.map_service_error(|err| {
26                err.downcast::<crate::operation::create_index::CreateIndexError>()
27                    .expect("correct error type")
28            })
29        };
30        let context = Self::orchestrate_with_stop_point(runtime_plugins, input, ::aws_smithy_runtime::client::orchestrator::StopPoint::None)
31            .await
32            .map_err(map_err)?;
33        let output = context.finalize().map_err(map_err)?;
34        ::std::result::Result::Ok(
35            output
36                .downcast::<crate::operation::create_index::CreateIndexOutput>()
37                .expect("correct output type"),
38        )
39    }
40
41    pub(crate) async fn orchestrate_with_stop_point(
42        runtime_plugins: &::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins,
43        input: crate::operation::create_index::CreateIndexInput,
44        stop_point: ::aws_smithy_runtime::client::orchestrator::StopPoint,
45    ) -> ::std::result::Result<
46        ::aws_smithy_runtime_api::client::interceptors::context::InterceptorContext,
47        ::aws_smithy_runtime_api::client::result::SdkError<
48            ::aws_smithy_runtime_api::client::interceptors::context::Error,
49            ::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
50        >,
51    > {
52        let input = ::aws_smithy_runtime_api::client::interceptors::context::Input::erase(input);
53        use ::tracing::Instrument;
54        ::aws_smithy_runtime::client::orchestrator::invoke_with_stop_point("Resource Explorer 2", "CreateIndex", input, runtime_plugins, stop_point)
55            // Create a parent span for the entire operation. Includes a random, internal-only,
56            // seven-digit ID for the operation orchestration so that it can be correlated in the logs.
57            .instrument(::tracing::debug_span!(
58                "Resource Explorer 2.CreateIndex",
59                "rpc.service" = "Resource Explorer 2",
60                "rpc.method" = "CreateIndex",
61                "sdk_invocation_id" = ::fastrand::u32(1_000_000..10_000_000),
62                "rpc.system" = "aws-api",
63            ))
64            .await
65    }
66
67    pub(crate) fn operation_runtime_plugins(
68        client_runtime_plugins: ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins,
69        client_config: &crate::config::Config,
70        config_override: ::std::option::Option<crate::config::Builder>,
71    ) -> ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins {
72        let mut runtime_plugins = client_runtime_plugins.with_operation_plugin(Self::new());
73        runtime_plugins = runtime_plugins.with_operation_plugin(crate::client_idempotency_token::IdempotencyTokenRuntimePlugin::new(
74            |token_provider, input| {
75                let input: &mut crate::operation::create_index::CreateIndexInput = input.downcast_mut().expect("correct type");
76                if input.client_token.is_none() {
77                    input.client_token = ::std::option::Option::Some(token_provider.make_idempotency_token());
78                }
79            },
80        ));
81        if let ::std::option::Option::Some(config_override) = config_override {
82            for plugin in config_override.runtime_plugins.iter().cloned() {
83                runtime_plugins = runtime_plugins.with_operation_plugin(plugin);
84            }
85            runtime_plugins = runtime_plugins.with_operation_plugin(crate::config::ConfigOverrideRuntimePlugin::new(
86                config_override,
87                client_config.config.clone(),
88                &client_config.runtime_components,
89            ));
90        }
91        runtime_plugins
92    }
93}
94impl ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugin for CreateIndex {
95    fn config(&self) -> ::std::option::Option<::aws_smithy_types::config_bag::FrozenLayer> {
96        let mut cfg = ::aws_smithy_types::config_bag::Layer::new("CreateIndex");
97
98        cfg.store_put(::aws_smithy_runtime_api::client::ser_de::SharedRequestSerializer::new(
99            CreateIndexRequestSerializer,
100        ));
101        cfg.store_put(::aws_smithy_runtime_api::client::ser_de::SharedResponseDeserializer::new(
102            CreateIndexResponseDeserializer,
103        ));
104
105        cfg.store_put(::aws_smithy_runtime_api::client::auth::AuthSchemeOptionResolverParams::new(
106            crate::config::auth::Params::builder()
107                .operation_name("CreateIndex")
108                .build()
109                .expect("required fields set"),
110        ));
111
112        cfg.store_put(::aws_smithy_runtime_api::client::orchestrator::Metadata::new(
113            "CreateIndex",
114            "Resource Explorer 2",
115        ));
116        let mut signing_options = ::aws_runtime::auth::SigningOptions::default();
117        signing_options.double_uri_encode = true;
118        signing_options.content_sha256_header = false;
119        signing_options.normalize_uri_path = true;
120        signing_options.payload_override = None;
121
122        cfg.store_put(::aws_runtime::auth::SigV4OperationSigningConfig {
123            signing_options,
124            ..::std::default::Default::default()
125        });
126
127        ::std::option::Option::Some(cfg.freeze())
128    }
129
130    fn runtime_components(
131        &self,
132        _: &::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder,
133    ) -> ::std::borrow::Cow<'_, ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder> {
134        #[allow(unused_mut)]
135        let mut rcb = ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder::new("CreateIndex")
136            .with_interceptor(::aws_smithy_runtime_api::client::interceptors::SharedInterceptor::permanent(
137                CreateIndexTelemetryInputCaptureInterceptor,
138            ))
139            .with_interceptor(::aws_smithy_runtime_api::client::interceptors::SharedInterceptor::permanent(
140                ::aws_smithy_runtime::client::stalled_stream_protection::StalledStreamProtectionInterceptor::default(),
141            ))
142            .with_interceptor(::aws_smithy_runtime_api::client::interceptors::SharedInterceptor::permanent(
143                CreateIndexEndpointParamsInterceptor,
144            ))
145            .with_retry_classifier(::aws_smithy_runtime::client::retries::classifiers::TransientErrorClassifier::<
146                crate::operation::create_index::CreateIndexError,
147            >::new())
148            .with_retry_classifier(::aws_smithy_runtime::client::retries::classifiers::ModeledAsRetryableClassifier::<
149                crate::operation::create_index::CreateIndexError,
150            >::new())
151            .with_retry_classifier(::aws_runtime::retries::classifiers::AwsErrorCodeClassifier::<
152                crate::operation::create_index::CreateIndexError,
153            >::new());
154
155        ::std::borrow::Cow::Owned(rcb)
156    }
157}
158
159#[derive(Debug)]
160struct CreateIndexTelemetryInputCaptureInterceptor;
161
162#[::aws_smithy_runtime_api::client::interceptors::dyn_dispatch_hint]
163impl ::aws_smithy_runtime_api::client::interceptors::Intercept for CreateIndexTelemetryInputCaptureInterceptor {
164    fn name(&self) -> &'static str {
165        "CreateIndexTelemetryInputCaptureInterceptor"
166    }
167
168    fn read_before_execution(
169        &self,
170        context: &::aws_smithy_runtime_api::client::interceptors::context::BeforeSerializationInterceptorContextRef<
171            '_,
172            ::aws_smithy_runtime_api::client::interceptors::context::Input,
173            ::aws_smithy_runtime_api::client::interceptors::context::Output,
174            ::aws_smithy_runtime_api::client::interceptors::context::Error,
175        >,
176        cfg: &mut ::aws_smithy_types::config_bag::ConfigBag,
177    ) -> ::std::result::Result<(), ::aws_smithy_runtime_api::box_error::BoxError> {
178        // Nothing to do unless the customer opted in by naming members to record.
179        let ::std::option::Option::Some(requested) = cfg
180            .load::<::aws_smithy_types::telemetry::RequestedTelemetryAttributes>()
181            .filter(|r| !r.is_empty())
182        else {
183            return ::std::result::Result::Ok(());
184        };
185
186        let ::std::option::Option::Some(input) = context.input().downcast_ref::<CreateIndexInput>() else {
187            // A mismatched input is not this interceptor's concern; skip quietly.
188            return ::std::result::Result::Ok(());
189        };
190
191        let mut captured = ::aws_smithy_types::telemetry::CapturedTelemetryAttributes::default();
192        if requested.should_capture("ClientToken") {
193            if let ::std::option::Option::Some(value) = input.client_token.as_deref() {
194                captured.insert("ClientToken", value);
195            }
196        }
197
198        cfg.interceptor_state().store_put(captured);
199        ::std::result::Result::Ok(())
200    }
201}
202#[derive(Debug)]
203struct CreateIndexResponseDeserializer;
204impl ::aws_smithy_runtime_api::client::ser_de::DeserializeResponse for CreateIndexResponseDeserializer {
205    fn deserialize_nonstreaming_with_config(
206        &self,
207        response: &::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
208        _cfg: &::aws_smithy_types::config_bag::ConfigBag,
209    ) -> ::aws_smithy_runtime_api::client::interceptors::context::OutputOrError {
210        let (success, status) = (response.status().is_success(), response.status().as_u16());
211        let headers = response.headers();
212        let body = response.body().bytes().expect("body loaded");
213        #[allow(unused_mut)]
214        let mut force_error = false;
215        ::tracing::debug!(request_id = ?::aws_types::request_id::RequestId::request_id(response));
216        let parse_result = if !success && status != 200 || force_error {
217            crate::protocol_serde::shape_create_index::de_create_index_http_error(status, headers, body)
218        } else {
219            crate::protocol_serde::shape_create_index::de_create_index_http_response(status, headers, body)
220        };
221        crate::protocol_serde::type_erase_result(parse_result)
222    }
223}
224#[derive(Debug)]
225struct CreateIndexRequestSerializer;
226impl ::aws_smithy_runtime_api::client::ser_de::SerializeRequest for CreateIndexRequestSerializer {
227    #[allow(unused_mut, clippy::let_and_return, clippy::needless_borrow, clippy::useless_conversion)]
228    fn serialize_input(
229        &self,
230        input: ::aws_smithy_runtime_api::client::interceptors::context::Input,
231        _cfg: &mut ::aws_smithy_types::config_bag::ConfigBag,
232    ) -> ::std::result::Result<::aws_smithy_runtime_api::client::orchestrator::HttpRequest, ::aws_smithy_runtime_api::box_error::BoxError> {
233        let input = input
234            .downcast::<crate::operation::create_index::CreateIndexInput>()
235            .expect("correct type");
236        let _header_serialization_settings = _cfg
237            .load::<crate::serialization_settings::HeaderSerializationSettings>()
238            .cloned()
239            .unwrap_or_default();
240        let mut request_builder = {
241            #[allow(clippy::uninlined_format_args)]
242            fn uri_base(
243                _input: &crate::operation::create_index::CreateIndexInput,
244                output: &mut ::std::string::String,
245            ) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::BuildError> {
246                use ::std::fmt::Write as _;
247                ::std::write!(output, "/CreateIndex").expect("formatting should succeed");
248                ::std::result::Result::Ok(())
249            }
250            #[allow(clippy::unnecessary_wraps)]
251            fn update_http_builder(
252                input: &crate::operation::create_index::CreateIndexInput,
253                builder: ::http_1x::request::Builder,
254            ) -> ::std::result::Result<::http_1x::request::Builder, ::aws_smithy_types::error::operation::BuildError> {
255                let mut uri = ::std::string::String::new();
256                uri_base(input, &mut uri)?;
257                ::std::result::Result::Ok(builder.method("POST").uri(uri))
258            }
259            let mut builder = update_http_builder(&input, ::http_1x::request::Builder::new())?;
260            builder = _header_serialization_settings.set_default_header(builder, ::http_1x::header::CONTENT_TYPE, "application/json");
261            builder
262        };
263        let body = ::aws_smithy_types::body::SdkBody::from(crate::protocol_serde::shape_create_index::ser_create_index_input(&input)?);
264        if let Some(content_length) = body.content_length() {
265            let content_length = content_length.to_string();
266            request_builder = _header_serialization_settings.set_default_header(request_builder, ::http_1x::header::CONTENT_LENGTH, &content_length);
267        }
268        ::std::result::Result::Ok(request_builder.body(body).expect("valid request").try_into().unwrap())
269    }
270}
271#[derive(Debug)]
272struct CreateIndexEndpointParamsInterceptor;
273
274#[::aws_smithy_runtime_api::client::interceptors::dyn_dispatch_hint]
275impl ::aws_smithy_runtime_api::client::interceptors::Intercept for CreateIndexEndpointParamsInterceptor {
276    fn name(&self) -> &'static str {
277        "CreateIndexEndpointParamsInterceptor"
278    }
279
280    fn read_before_execution(
281        &self,
282        context: &::aws_smithy_runtime_api::client::interceptors::context::BeforeSerializationInterceptorContextRef<
283            '_,
284            ::aws_smithy_runtime_api::client::interceptors::context::Input,
285            ::aws_smithy_runtime_api::client::interceptors::context::Output,
286            ::aws_smithy_runtime_api::client::interceptors::context::Error,
287        >,
288        cfg: &mut ::aws_smithy_types::config_bag::ConfigBag,
289    ) -> ::std::result::Result<(), ::aws_smithy_runtime_api::box_error::BoxError> {
290        let _input = context
291            .input()
292            .downcast_ref::<CreateIndexInput>()
293            .ok_or("failed to downcast to CreateIndexInput")?;
294
295        let params = crate::config::endpoint::Params::builder()
296            .set_region(cfg.load::<::aws_types::region::Region>().map(|r| r.as_ref().to_owned()))
297            .set_use_dual_stack(cfg.load::<::aws_types::endpoint_config::UseDualStack>().map(|ty| ty.0))
298            .set_use_fips(cfg.load::<::aws_types::endpoint_config::UseFips>().map(|ty| ty.0))
299            .set_endpoint(cfg.load::<::aws_types::endpoint_config::EndpointUrl>().map(|ty| ty.0.clone()))
300            .build()
301            .map_err(|err| {
302                ::aws_smithy_runtime_api::client::interceptors::error::ContextAttachedError::new("endpoint params could not be built", err)
303            })?;
304        cfg.interceptor_state()
305            .store_put(::aws_smithy_runtime_api::client::endpoint::EndpointResolverParams::new(params));
306        ::std::result::Result::Ok(())
307    }
308}
309
310// The get_* functions below are generated from JMESPath expressions in the
311// operationContextParams trait. They target the operation's input shape.
312
313/// Error type for the `CreateIndexError` operation.
314#[non_exhaustive]
315#[derive(::std::fmt::Debug)]
316pub enum CreateIndexError {
317    /// <p>The credentials that you used to call this operation don't have the minimum required permissions.</p>
318    AccessDeniedException(crate::types::error::AccessDeniedException),
319    /// <p>If you attempted to create a view, then the request failed because either you specified parameters that didn’t match the original request, or you attempted to create a view with a name that already exists in this Amazon Web Services Region.</p>
320    /// <p>If you attempted to create an index, then the request failed because either you specified parameters that didn't match the original request, or an index already exists in the current Amazon Web Services Region.</p>
321    /// <p>If you attempted to update an index type to <code>AGGREGATOR</code>, then the request failed because you already have an <code>AGGREGATOR</code> index in a different Amazon Web Services Region.</p>
322    ConflictException(crate::types::error::ConflictException),
323    /// <p>The request failed because of internal service error. Try your request again later.</p>
324    InternalServerException(crate::types::error::InternalServerException),
325    /// <p>The request failed because you exceeded a rate limit for this operation. For more information, see <a href="https://docs.aws.amazon.com/resource-explorer/latest/userguide/quotas.html">Quotas for Resource Explorer</a>.</p>
326    ThrottlingException(crate::types::error::ThrottlingException),
327    /// <p>You provided an invalid value for one of the operation's parameters. Check the syntax for the operation, and try again.</p>
328    ValidationException(crate::types::error::ValidationException),
329    /// An unexpected error occurred (e.g., invalid JSON returned by the service or an unknown error code).
330    #[deprecated(note = "Matching `Unhandled` directly is not forwards compatible. Instead, match using a \
331    variable wildcard pattern and check `.code()`:
332     \
333    &nbsp;&nbsp;&nbsp;`err if err.code() == Some(\"SpecificExceptionCode\") => { /* handle the error */ }`
334     \
335    See [`ProvideErrorMetadata`](#impl-ProvideErrorMetadata-for-CreateIndexError) for what information is available for the error.")]
336    Unhandled(crate::error::sealed_unhandled::Unhandled),
337}
338impl CreateIndexError {
339    /// Creates the `CreateIndexError::Unhandled` variant from any error type.
340    pub fn unhandled(
341        err: impl ::std::convert::Into<::std::boxed::Box<dyn ::std::error::Error + ::std::marker::Send + ::std::marker::Sync + 'static>>,
342    ) -> Self {
343        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
344            source: err.into(),
345            meta: ::std::default::Default::default(),
346        })
347    }
348
349    /// Creates the `CreateIndexError::Unhandled` variant from an [`ErrorMetadata`](::aws_smithy_types::error::ErrorMetadata).
350    pub fn generic(err: ::aws_smithy_types::error::ErrorMetadata) -> Self {
351        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
352            source: err.clone().into(),
353            meta: err,
354        })
355    }
356    ///
357    /// Returns error metadata, which includes the error code, message,
358    /// request ID, and potentially additional information.
359    ///
360    pub fn meta(&self) -> &::aws_smithy_types::error::ErrorMetadata {
361        match self {
362            Self::AccessDeniedException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
363            Self::ConflictException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
364            Self::InternalServerException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
365            Self::ThrottlingException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
366            Self::ValidationException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
367            Self::Unhandled(e) => &e.meta,
368        }
369    }
370    /// Returns `true` if the error kind is `CreateIndexError::AccessDeniedException`.
371    pub fn is_access_denied_exception(&self) -> bool {
372        matches!(self, Self::AccessDeniedException(_))
373    }
374    /// Returns `true` if the error kind is `CreateIndexError::ConflictException`.
375    pub fn is_conflict_exception(&self) -> bool {
376        matches!(self, Self::ConflictException(_))
377    }
378    /// Returns `true` if the error kind is `CreateIndexError::InternalServerException`.
379    pub fn is_internal_server_exception(&self) -> bool {
380        matches!(self, Self::InternalServerException(_))
381    }
382    /// Returns `true` if the error kind is `CreateIndexError::ThrottlingException`.
383    pub fn is_throttling_exception(&self) -> bool {
384        matches!(self, Self::ThrottlingException(_))
385    }
386    /// Returns `true` if the error kind is `CreateIndexError::ValidationException`.
387    pub fn is_validation_exception(&self) -> bool {
388        matches!(self, Self::ValidationException(_))
389    }
390}
391impl ::std::error::Error for CreateIndexError {
392    fn source(&self) -> ::std::option::Option<&(dyn ::std::error::Error + 'static)> {
393        match self {
394            Self::AccessDeniedException(_inner) => ::std::option::Option::Some(_inner),
395            Self::ConflictException(_inner) => ::std::option::Option::Some(_inner),
396            Self::InternalServerException(_inner) => ::std::option::Option::Some(_inner),
397            Self::ThrottlingException(_inner) => ::std::option::Option::Some(_inner),
398            Self::ValidationException(_inner) => ::std::option::Option::Some(_inner),
399            Self::Unhandled(_inner) => ::std::option::Option::Some(&*_inner.source),
400        }
401    }
402}
403impl ::std::fmt::Display for CreateIndexError {
404    fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
405        match self {
406            Self::AccessDeniedException(_inner) => _inner.fmt(f),
407            Self::ConflictException(_inner) => _inner.fmt(f),
408            Self::InternalServerException(_inner) => _inner.fmt(f),
409            Self::ThrottlingException(_inner) => _inner.fmt(f),
410            Self::ValidationException(_inner) => _inner.fmt(f),
411            Self::Unhandled(_inner) => {
412                if let ::std::option::Option::Some(code) = ::aws_smithy_types::error::metadata::ProvideErrorMetadata::code(self) {
413                    write!(f, "unhandled error ({code})")
414                } else {
415                    f.write_str("unhandled error")
416                }
417            }
418        }
419    }
420}
421impl ::aws_smithy_types::retry::ProvideErrorKind for CreateIndexError {
422    fn code(&self) -> ::std::option::Option<&str> {
423        ::aws_smithy_types::error::metadata::ProvideErrorMetadata::code(self)
424    }
425    fn retryable_error_kind(&self) -> ::std::option::Option<::aws_smithy_types::retry::ErrorKind> {
426        ::std::option::Option::None
427    }
428}
429impl ::aws_smithy_types::error::metadata::ProvideErrorMetadata for CreateIndexError {
430    fn meta(&self) -> &::aws_smithy_types::error::ErrorMetadata {
431        match self {
432            Self::AccessDeniedException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
433            Self::ConflictException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
434            Self::InternalServerException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
435            Self::ThrottlingException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
436            Self::ValidationException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
437            Self::Unhandled(_inner) => &_inner.meta,
438        }
439    }
440}
441impl ::aws_smithy_runtime_api::client::result::CreateUnhandledError for CreateIndexError {
442    fn create_unhandled_error(
443        source: ::std::boxed::Box<dyn ::std::error::Error + ::std::marker::Send + ::std::marker::Sync + 'static>,
444        meta: ::std::option::Option<::aws_smithy_types::error::ErrorMetadata>,
445    ) -> Self {
446        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
447            source,
448            meta: meta.unwrap_or_default(),
449        })
450    }
451}
452impl ::aws_types::request_id::RequestId for crate::operation::create_index::CreateIndexError {
453    fn request_id(&self) -> Option<&str> {
454        self.meta().request_id()
455    }
456}
457
458pub use crate::operation::create_index::_create_index_input::CreateIndexInput;
459
460pub use crate::operation::create_index::_create_index_output::CreateIndexOutput;
461
462mod _create_index_input;
463
464mod _create_index_output;
465
466/// Builders
467pub mod builders;
aws_sdk_resourceexplorer2/operation/create_index.rs

aws_sdk_resourceexplorer2/operation/
create_index.rs
