aws_sdk_dynamodb/operation/
batch_write_item.rs

1// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
2/// Orchestration and serialization glue logic for `BatchWriteItem`.
3#[derive(::std::clone::Clone, ::std::default::Default, ::std::fmt::Debug)]
4#[non_exhaustive]
5pub struct BatchWriteItem;
6impl BatchWriteItem {
7    /// Creates a new `BatchWriteItem`
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::batch_write_item::BatchWriteItemInput,
14                    ) -> ::std::result::Result<crate::operation::batch_write_item::BatchWriteItemOutput, ::aws_smithy_runtime_api::client::result::SdkError<crate::operation::batch_write_item::BatchWriteItemError, ::aws_smithy_runtime_api::client::orchestrator::HttpResponse>> {
15                        let map_err = |err: ::aws_smithy_runtime_api::client::result::SdkError<::aws_smithy_runtime_api::client::interceptors::context::Error, ::aws_smithy_runtime_api::client::orchestrator::HttpResponse>| {
16                            err.map_service_error(|err| {
17                                err.downcast::<crate::operation::batch_write_item::BatchWriteItemError>().expect("correct error type")
18                            })
19                        };
20                        let context = Self::orchestrate_with_stop_point(runtime_plugins, input, ::aws_smithy_runtime::client::orchestrator::StopPoint::None)
21                            .await
22                            .map_err(map_err)?;
23                        let output = context.finalize().map_err(map_err)?;
24                        ::std::result::Result::Ok(output.downcast::<crate::operation::batch_write_item::BatchWriteItemOutput>().expect("correct output type"))
25                    }
26    
27                    pub(crate) async fn orchestrate_with_stop_point(
28                        runtime_plugins: &::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins,
29                        input: crate::operation::batch_write_item::BatchWriteItemInput,
30                        stop_point: ::aws_smithy_runtime::client::orchestrator::StopPoint,
31                    ) -> ::std::result::Result<::aws_smithy_runtime_api::client::interceptors::context::InterceptorContext, ::aws_smithy_runtime_api::client::result::SdkError<::aws_smithy_runtime_api::client::interceptors::context::Error, ::aws_smithy_runtime_api::client::orchestrator::HttpResponse>> {
32                        let input = ::aws_smithy_runtime_api::client::interceptors::context::Input::erase(input);
33                        use ::tracing::Instrument;
34                        ::aws_smithy_runtime::client::orchestrator::invoke_with_stop_point(
35                            "DynamoDB",
36                            "BatchWriteItem",
37                            input,
38                            runtime_plugins,
39                            stop_point
40                        )
41                        // Create a parent span for the entire operation. Includes a random, internal-only,
42                        // seven-digit ID for the operation orchestration so that it can be correlated in the logs.
43                        .instrument(::tracing::debug_span!(
44                                "DynamoDB.BatchWriteItem",
45                                "rpc.service" = "DynamoDB",
46                                "rpc.method" = "BatchWriteItem",
47                                "sdk_invocation_id" = ::fastrand::u32(1_000_000..10_000_000),
48                                "rpc.system" = "aws-api",
49                            ))
50                        .await
51                    }
52    
53                    pub(crate) fn operation_runtime_plugins(
54                        client_runtime_plugins: ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins,
55                        client_config: &crate::config::Config,
56                        config_override: ::std::option::Option<crate::config::Builder>,
57                    ) -> ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins {
58                        let mut runtime_plugins = client_runtime_plugins.with_operation_plugin(Self::new());
59                        runtime_plugins = runtime_plugins
60                                        .with_client_plugin(crate::auth_plugin::DefaultAuthOptionsPlugin::new(vec![::aws_runtime::auth::sigv4::SCHEME_ID]));
61                        if let ::std::option::Option::Some(config_override) = config_override {
62                            for plugin in config_override.runtime_plugins.iter().cloned() {
63                                runtime_plugins = runtime_plugins.with_operation_plugin(plugin);
64                            }
65                            runtime_plugins = runtime_plugins.with_operation_plugin(
66                                crate::config::ConfigOverrideRuntimePlugin::new(config_override, client_config.config.clone(), &client_config.runtime_components)
67                            );
68                        }
69                        runtime_plugins
70                    }
71}
72impl ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugin for BatchWriteItem {
73                fn config(&self) -> ::std::option::Option<::aws_smithy_types::config_bag::FrozenLayer> {
74                    let mut cfg = ::aws_smithy_types::config_bag::Layer::new("BatchWriteItem");
75
76                    cfg.store_put(::aws_smithy_runtime_api::client::ser_de::SharedRequestSerializer::new(BatchWriteItemRequestSerializer));
77                    cfg.store_put(::aws_smithy_runtime_api::client::ser_de::SharedResponseDeserializer::new(BatchWriteItemResponseDeserializer));
78
79                    
80                    cfg.store_put(::aws_smithy_runtime_api::client::auth::AuthSchemeOptionResolverParams::new(::aws_smithy_runtime_api::client::auth::static_resolver::StaticAuthSchemeOptionResolverParams::new()));
81
82                    cfg.store_put(::aws_smithy_runtime_api::client::orchestrator::Metadata::new(
83                            "BatchWriteItem",
84                            "DynamoDB",
85                        ));
86let mut signing_options = ::aws_runtime::auth::SigningOptions::default();
87                            signing_options.double_uri_encode = true;
88                            signing_options.content_sha256_header = false;
89                            signing_options.normalize_uri_path = true;
90                            signing_options.payload_override = None;
91
92                            cfg.store_put(::aws_runtime::auth::SigV4OperationSigningConfig {
93                                signing_options,
94                                ..::std::default::Default::default()
95                            });
96
97                    ::std::option::Option::Some(cfg.freeze())
98                }
99
100                fn runtime_components(&self, _: &::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder) -> ::std::borrow::Cow<'_, ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder> {
101                    #[allow(unused_mut)]
102                    let mut rcb = ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder::new("BatchWriteItem")
103                            .with_interceptor(::aws_smithy_runtime::client::stalled_stream_protection::StalledStreamProtectionInterceptor::default())
104.with_interceptor(BatchWriteItemEndpointParamsInterceptor)
105                            .with_retry_classifier(::aws_smithy_runtime::client::retries::classifiers::TransientErrorClassifier::<crate::operation::batch_write_item::BatchWriteItemError>::new())
106.with_retry_classifier(::aws_smithy_runtime::client::retries::classifiers::ModeledAsRetryableClassifier::<crate::operation::batch_write_item::BatchWriteItemError>::new())
107.with_retry_classifier(::aws_runtime::retries::classifiers::AwsErrorCodeClassifier::<crate::operation::batch_write_item::BatchWriteItemError>::new());
108
109                    ::std::borrow::Cow::Owned(rcb)
110                }
111            }
112
113            
114#[derive(Debug)]
115            struct BatchWriteItemResponseDeserializer;
116            impl ::aws_smithy_runtime_api::client::ser_de::DeserializeResponse for BatchWriteItemResponseDeserializer {
117                
118
119                fn deserialize_nonstreaming(&self, response: &::aws_smithy_runtime_api::client::orchestrator::HttpResponse) -> ::aws_smithy_runtime_api::client::interceptors::context::OutputOrError {
120                    let (success, status) = (response.status().is_success(), response.status().as_u16());
121            let headers = response.headers();
122            let body = response.body().bytes().expect("body loaded");
123            #[allow(unused_mut)]
124            let mut force_error = false;
125            ::tracing::debug!(request_id = ?::aws_types::request_id::RequestId::request_id(response));
126            let parse_result = if !success && status != 200 || force_error {
127                crate::protocol_serde::shape_batch_write_item::de_batch_write_item_http_error(status, headers, body)
128            } else {
129                crate::protocol_serde::shape_batch_write_item::de_batch_write_item_http_response(status, headers, body)
130            };
131            crate::protocol_serde::type_erase_result(parse_result)
132                }
133            }
134#[derive(Debug)]
135            struct BatchWriteItemRequestSerializer;
136            impl ::aws_smithy_runtime_api::client::ser_de::SerializeRequest for BatchWriteItemRequestSerializer {
137                #[allow(unused_mut, clippy::let_and_return, clippy::needless_borrow, clippy::useless_conversion)]
138                fn serialize_input(&self, input: ::aws_smithy_runtime_api::client::interceptors::context::Input, _cfg: &mut ::aws_smithy_types::config_bag::ConfigBag) -> ::std::result::Result<::aws_smithy_runtime_api::client::orchestrator::HttpRequest, ::aws_smithy_runtime_api::box_error::BoxError> {
139                    let input = input.downcast::<crate::operation::batch_write_item::BatchWriteItemInput>().expect("correct type");
140                    let _header_serialization_settings = _cfg.load::<crate::serialization_settings::HeaderSerializationSettings>().cloned().unwrap_or_default();
141                    let mut request_builder = {
142                        fn uri_base(_input: &crate::operation::batch_write_item::BatchWriteItemInput, output: &mut ::std::string::String) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::BuildError> {
143    use ::std::fmt::Write as _;
144    ::std::write!(output, "/").expect("formatting should succeed");
145    ::std::result::Result::Ok(())
146}
147#[allow(clippy::unnecessary_wraps)]
148fn update_http_builder(
149                input: &crate::operation::batch_write_item::BatchWriteItemInput,
150                builder: ::http::request::Builder
151            ) -> ::std::result::Result<::http::request::Builder, ::aws_smithy_types::error::operation::BuildError> {
152    let mut uri = ::std::string::String::new();
153    uri_base(input, &mut uri)?;
154    ::std::result::Result::Ok(builder.method("POST").uri(uri))
155}
156let mut builder = update_http_builder(&input, ::http::request::Builder::new())?;
157builder = _header_serialization_settings.set_default_header(builder, ::http::header::CONTENT_TYPE, "application/x-amz-json-1.0");
158builder = _header_serialization_settings.set_default_header(
159                        builder,
160                        ::http::header::HeaderName::from_static("x-amz-target"),
161                        "DynamoDB_20120810.BatchWriteItem"
162                    );
163builder
164                    };
165                    let body = ::aws_smithy_types::body::SdkBody::from(crate::protocol_serde::shape_batch_write_item::ser_batch_write_item_input(&input)?);
166                    if let Some(content_length) = body.content_length() {
167                                let content_length = content_length.to_string();
168                                request_builder = _header_serialization_settings.set_default_header(request_builder, ::http::header::CONTENT_LENGTH, &content_length);
169                            }
170                    ::std::result::Result::Ok(request_builder.body(body).expect("valid request").try_into().unwrap())
171                }
172            }
173#[derive(Debug)]
174            struct BatchWriteItemEndpointParamsInterceptor;
175
176            impl ::aws_smithy_runtime_api::client::interceptors::Intercept for BatchWriteItemEndpointParamsInterceptor {
177                fn name(&self) -> &'static str {
178                    "BatchWriteItemEndpointParamsInterceptor"
179                }
180
181                fn read_before_execution(
182                    &self,
183                    context: &::aws_smithy_runtime_api::client::interceptors::context::BeforeSerializationInterceptorContextRef<'_, ::aws_smithy_runtime_api::client::interceptors::context::Input, ::aws_smithy_runtime_api::client::interceptors::context::Output, ::aws_smithy_runtime_api::client::interceptors::context::Error>,
184                    cfg: &mut ::aws_smithy_types::config_bag::ConfigBag,
185                ) -> ::std::result::Result<(), ::aws_smithy_runtime_api::box_error::BoxError> {
186                    let _input = context.input()
187                        .downcast_ref::<BatchWriteItemInput>()
188                        .ok_or("failed to downcast to BatchWriteItemInput")?;
189
190                    
191
192                    let params = crate::config::endpoint::Params::builder()
193                        .set_region(cfg.load::<::aws_types::region::Region>().map(|r|r.as_ref().to_owned()))
194.set_use_dual_stack(cfg.load::<::aws_types::endpoint_config::UseDualStack>().map(|ty| ty.0))
195.set_use_fips(cfg.load::<::aws_types::endpoint_config::UseFips>().map(|ty| ty.0))
196.set_endpoint(cfg.load::<::aws_types::endpoint_config::EndpointUrl>().map(|ty| ty.0.clone()))
197.set_account_id_endpoint_mode(::std::option::Option::Some(cfg.load::<::aws_types::endpoint_config::AccountIdEndpointMode>().cloned().unwrap_or_default().to_string()))
198.set_resource_arn_list(get_resource_arn_list(_input))
199                        .build()
200                        .map_err(|err| ::aws_smithy_runtime_api::client::interceptors::error::ContextAttachedError::new("endpoint params could not be built", err))?;
201                    cfg.interceptor_state().store_put(::aws_smithy_runtime_api::client::endpoint::EndpointResolverParams::new(params));
202                    ::std::result::Result::Ok(())
203                }
204            }
205
206            // The get_* functions below are generated from JMESPath expressions in the
207            // operationContextParams trait. They target the operation's input shape.
208
209            // Generated from JMESPath Expression: keys(RequestItems)
210fn get_resource_arn_list(input: &crate::operation::batch_write_item::BatchWriteItemInput) -> Option<::std::vec::Vec::<::std::string::String>> {
211    let _fld_2 = input.request_items.as_ref()?;
212    let _ret_1 = _fld_2.keys().map(Clone::clone).collect::<Vec<String>>();
213    Some(_ret_1)
214}
215
216/// Error type for the `BatchWriteItemError` operation.
217#[non_exhaustive]
218#[derive(::std::fmt::Debug)]
219pub enum BatchWriteItemError {
220    /// <p>An error occurred on the server side.</p>
221    InternalServerError(crate::types::error::InternalServerError),
222    #[allow(missing_docs)] // documentation missing in model
223    InvalidEndpointException(crate::types::error::InvalidEndpointException),
224    /// <p>An item collection is too large. This exception is only returned for tables that have one or more local secondary indexes.</p>
225    ItemCollectionSizeLimitExceededException(crate::types::error::ItemCollectionSizeLimitExceededException),
226    /// <p>Your request rate is too high. The Amazon Web Services SDKs for DynamoDB automatically retry requests that receive this exception. Your request is eventually successful, unless your retry queue is too large to finish. Reduce the frequency of requests and use exponential backoff. For more information, go to <a href="https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Programming.Errors.html#Programming.Errors.RetryAndBackoff">Error Retries and Exponential Backoff</a> in the <i>Amazon DynamoDB Developer Guide</i>.</p>
227    ProvisionedThroughputExceededException(crate::types::error::ProvisionedThroughputExceededException),
228    /// <p>Throughput exceeds the current throughput quota for your account. Please contact <a href="https://aws.amazon.com/support">Amazon Web ServicesSupport</a> to request a quota increase.</p>
229    RequestLimitExceeded(crate::types::error::RequestLimitExceeded),
230    /// <p>The operation tried to access a nonexistent table or index. The resource might not be specified correctly, or its status might not be <code>ACTIVE</code>.</p>
231    ResourceNotFoundException(crate::types::error::ResourceNotFoundException),
232    /// An unexpected error occurred (e.g., invalid JSON returned by the service or an unknown error code).
233                    #[deprecated(note = "Matching `Unhandled` directly is not forwards compatible. Instead, match using a \
234    variable wildcard pattern and check `.code()`:
235     \
236    &nbsp;&nbsp;&nbsp;`err if err.code() == Some(\"SpecificExceptionCode\") => { /* handle the error */ }`
237     \
238    See [`ProvideErrorMetadata`](#impl-ProvideErrorMetadata-for-BatchWriteItemError) for what information is available for the error.")]
239                    Unhandled(crate::error::sealed_unhandled::Unhandled),
240}
241impl BatchWriteItemError {
242    /// Creates the `BatchWriteItemError::Unhandled` variant from any error type.
243                    pub fn unhandled(err: impl ::std::convert::Into<::std::boxed::Box<dyn ::std::error::Error + ::std::marker::Send + ::std::marker::Sync + 'static>>) -> Self {
244                        Self::Unhandled(crate::error::sealed_unhandled::Unhandled { source: err.into(), meta: ::std::default::Default::default() })
245                    }
246    
247                    /// Creates the `BatchWriteItemError::Unhandled` variant from an [`ErrorMetadata`](::aws_smithy_types::error::ErrorMetadata).
248                    pub fn generic(err: ::aws_smithy_types::error::ErrorMetadata) -> Self {
249                        Self::Unhandled(crate::error::sealed_unhandled::Unhandled { source: err.clone().into(), meta: err })
250                    }
251    /// 
252    /// Returns error metadata, which includes the error code, message,
253    /// request ID, and potentially additional information.
254    /// 
255    pub fn meta(&self) -> &::aws_smithy_types::error::ErrorMetadata {
256        match self {
257            Self::InternalServerError(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
258            Self::InvalidEndpointException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
259            Self::ItemCollectionSizeLimitExceededException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
260            Self::ProvisionedThroughputExceededException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
261            Self::RequestLimitExceeded(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
262            Self::ResourceNotFoundException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
263            Self::Unhandled(e) => &e.meta,
264        }
265    }
266    /// Returns `true` if the error kind is `BatchWriteItemError::InternalServerError`.
267    pub fn is_internal_server_error(&self) -> bool {
268        matches!(self, Self::InternalServerError(_))
269    }
270    /// Returns `true` if the error kind is `BatchWriteItemError::InvalidEndpointException`.
271    pub fn is_invalid_endpoint_exception(&self) -> bool {
272        matches!(self, Self::InvalidEndpointException(_))
273    }
274    /// Returns `true` if the error kind is `BatchWriteItemError::ItemCollectionSizeLimitExceededException`.
275    pub fn is_item_collection_size_limit_exceeded_exception(&self) -> bool {
276        matches!(self, Self::ItemCollectionSizeLimitExceededException(_))
277    }
278    /// Returns `true` if the error kind is `BatchWriteItemError::ProvisionedThroughputExceededException`.
279    pub fn is_provisioned_throughput_exceeded_exception(&self) -> bool {
280        matches!(self, Self::ProvisionedThroughputExceededException(_))
281    }
282    /// Returns `true` if the error kind is `BatchWriteItemError::RequestLimitExceeded`.
283    pub fn is_request_limit_exceeded(&self) -> bool {
284        matches!(self, Self::RequestLimitExceeded(_))
285    }
286    /// Returns `true` if the error kind is `BatchWriteItemError::ResourceNotFoundException`.
287    pub fn is_resource_not_found_exception(&self) -> bool {
288        matches!(self, Self::ResourceNotFoundException(_))
289    }
290}
291impl ::std::error::Error for BatchWriteItemError {
292    fn source(&self) -> ::std::option::Option<&(dyn ::std::error::Error + 'static)> {
293        match self {
294            Self::InternalServerError(_inner) =>
295            ::std::option::Option::Some(_inner)
296            ,
297            Self::InvalidEndpointException(_inner) =>
298            ::std::option::Option::Some(_inner)
299            ,
300            Self::ItemCollectionSizeLimitExceededException(_inner) =>
301            ::std::option::Option::Some(_inner)
302            ,
303            Self::ProvisionedThroughputExceededException(_inner) =>
304            ::std::option::Option::Some(_inner)
305            ,
306            Self::RequestLimitExceeded(_inner) =>
307            ::std::option::Option::Some(_inner)
308            ,
309            Self::ResourceNotFoundException(_inner) =>
310            ::std::option::Option::Some(_inner)
311            ,
312            Self::Unhandled(_inner) => {
313                ::std::option::Option::Some(&*_inner.source)
314            }
315        }
316    }
317}
318impl ::std::fmt::Display for BatchWriteItemError {
319    fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
320        match self {
321            Self::InternalServerError(_inner) =>
322            _inner.fmt(f)
323            ,
324            Self::InvalidEndpointException(_inner) =>
325            _inner.fmt(f)
326            ,
327            Self::ItemCollectionSizeLimitExceededException(_inner) =>
328            _inner.fmt(f)
329            ,
330            Self::ProvisionedThroughputExceededException(_inner) =>
331            _inner.fmt(f)
332            ,
333            Self::RequestLimitExceeded(_inner) =>
334            _inner.fmt(f)
335            ,
336            Self::ResourceNotFoundException(_inner) =>
337            _inner.fmt(f)
338            ,
339            Self::Unhandled(_inner) => {
340                if let ::std::option::Option::Some(code) = ::aws_smithy_types::error::metadata::ProvideErrorMetadata::code(self) {
341                                                        write!(f, "unhandled error ({code})")
342                                                    } else {
343                                                        f.write_str("unhandled error")
344                                                    }
345            }
346        }
347    }
348}
349impl ::aws_smithy_types::retry::ProvideErrorKind for BatchWriteItemError {
350    fn code(&self) -> ::std::option::Option<&str> {
351        ::aws_smithy_types::error::metadata::ProvideErrorMetadata::code(self)
352    }
353    fn retryable_error_kind(&self) -> ::std::option::Option<::aws_smithy_types::retry::ErrorKind> {
354        ::std::option::Option::None
355    }
356}
357impl ::aws_smithy_types::error::metadata::ProvideErrorMetadata for BatchWriteItemError {
358    fn meta(&self) -> &::aws_smithy_types::error::ErrorMetadata {
359        match self {
360            Self::InternalServerError(_inner) =>
361            ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner)
362            ,
363            Self::InvalidEndpointException(_inner) =>
364            ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner)
365            ,
366            Self::ItemCollectionSizeLimitExceededException(_inner) =>
367            ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner)
368            ,
369            Self::ProvisionedThroughputExceededException(_inner) =>
370            ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner)
371            ,
372            Self::RequestLimitExceeded(_inner) =>
373            ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner)
374            ,
375            Self::ResourceNotFoundException(_inner) =>
376            ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner)
377            ,
378            Self::Unhandled(_inner) => {
379                &_inner.meta
380            }
381        }
382    }
383}
384impl ::aws_smithy_runtime_api::client::result::CreateUnhandledError for BatchWriteItemError {
385    fn create_unhandled_error(
386                        source: ::std::boxed::Box<dyn ::std::error::Error + ::std::marker::Send + ::std::marker::Sync + 'static>,
387                        meta: ::std::option::Option<::aws_smithy_types::error::ErrorMetadata>
388                    ) -> Self {
389        Self::Unhandled(crate::error::sealed_unhandled::Unhandled { source, meta: meta.unwrap_or_default() })
390    }
391}
392impl ::aws_types::request_id::RequestId for crate::operation::batch_write_item::BatchWriteItemError {
393                                fn request_id(&self) -> Option<&str> {
394                                    self.meta().request_id()
395                                }
396                            }
397
398pub use crate::operation::batch_write_item::_batch_write_item_output::BatchWriteItemOutput;
399
400pub use crate::operation::batch_write_item::_batch_write_item_input::BatchWriteItemInput;
401
402mod _batch_write_item_input;
403
404mod _batch_write_item_output;
405
406/// Builders
407pub mod builders;
408
aws_sdk_dynamodb/operation/batch_write_item.rs

aws_sdk_dynamodb/operation/
batch_write_item.rs
