fn scan(&self, input: ScanInput) -> RusotoFuture<ScanOutput, ScanError> {
        let mut request = SignedRequest::new("POST", "dynamodb", &self.region, "/");

        request.set_content_type("application/x-amz-json-1.0".to_owned());
        request.add_header("x-amz-target", "DynamoDB_20120810.Scan");
        let encoded = serde_json::to_string(&input).unwrap();
        request.set_payload(Some(encoded.into_bytes()));

        self.client.sign_and_dispatch(request, |response| {
            if response.status.is_success() {
                Box::new(response.buffer().from_err().map(|response| {
                    let mut body = response.body;

                    if body.is_empty() || body == b"null" {
                        body = b"{}".to_vec();
                    }

                    serde_json::from_str::<ScanOutput>(
                        String::from_utf8_lossy(body.as_ref()).as_ref(),
                    )
                    .unwrap()
                }))
            } else {
                Box::new(
                    response
                        .buffer()
                        .from_err()
                        .and_then(|response| Err(ScanError::from_response(response))),
                )
            }
        })
    }
/// <p>The <code>Scan</code> operation returns one or more items and item attributes by accessing every item in a table or a secondary index. To have DynamoDB return fewer items, you can provide a <code>FilterExpression</code> operation.</p> <p>If the total number of scanned items exceeds the maximum data set size limit of 1 MB, the scan stops and results are returned to the user as a <code>LastEvaluatedKey</code> value to continue the scan in a subsequent operation. The results also include the number of items exceeding the limit. A scan can result in no table data meeting the filter criteria. </p> <p>A single <code>Scan</code> operation will read up to the maximum number of items set (if using the <code>Limit</code> parameter) or a maximum of 1 MB of data and then apply any filtering to the results using <code>FilterExpression</code>. If <code>LastEvaluatedKey</code> is present in the response, you will need to paginate the result set. For more information, see <a href="http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Scan.html#Scan.Pagination">Paginating the Results</a> in the <i>Amazon DynamoDB Developer Guide</i>. </p> <p> <code>Scan</code> operations proceed sequentially; however, for faster performance on a large table or secondary index, applications can request a parallel <code>Scan</code> operation by providing the <code>Segment</code> and <code>TotalSegments</code> parameters. For more information, see <a href="http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Scan.html#Scan.ParallelScan">Parallel Scan</a> in the <i>Amazon DynamoDB Developer Guide</i>.</p> <p> <code>Scan</code> uses eventually consistent reads when accessing the data in a table; therefore, the result set might not include the changes to data in the table immediately before the operation began. If you need a consistent copy of the data, as of the time that the <code>Scan</code> begins, you can set the <code>ConsistentRead</code> parameter to <code>true</code>.</p>
The Scan operation returns one or more items and item attributes by accessing every item in a table or a secondary index. To have DynamoDB return fewer items, you can provide a FilterExpression operation. If the total number of scanned items exceeds the maximum data set size limit of 1 MB, the scan stops and results are returned to the user as a LastEvaluatedKey value to continue the scan in a subsequent operation. The results also include the number of items exceeding the limit. A scan can result in no table data meeting the filter criteria.  A single Scan operation will read up to the maximum number of items set (if using the Limit parameter) or a maximum of 1 MB of data and then apply any filtering to the results using FilterExpression. If LastEvaluatedKey is present in the response, you will need to paginate the result set. For more information, see Paginating the Results in the Amazon DynamoDB Developer Guide.   Scan operations proceed sequentially; however, for faster performance on a large table or secondary index, applications can request a parallel Scan operation by providing the Segment and TotalSegments parameters. For more information, see Parallel Scan in the Amazon DynamoDB Developer Guide.  Scan uses eventually consistent reads when accessing the data in a table; therefore, the result set might not include the changes to data in the table immediately before the operation began. If you need a consistent copy of the data, as of the time that the Scan begins, you can set the ConsistentRead parameter to true.
The Scan operation returns one or more items and item attributes by accessing every item in a table or a secondary index . To have DynamoDB return fewer items you can provide a FilterExpression operation . If the total number of scanned items exceeds the maximum data set size limit of 1 MB the scan stops and results are returned to the user as a LastEvaluatedKey value to continue the scan in a subsequent operation . The results also include the number of items exceeding the limit . A scan can result in no table data meeting the filter criteria . A single Scan operation will read up to the maximum number of items set ( if using the Limit parameter ) or a maximum of 1 MB of data and then apply any filtering to the results using FilterExpression . If LastEvaluatedKey is present in the response you will need to paginate the result set . For more information see Paginating the Results in the Amazon DynamoDB Developer Guide . Scan operations proceed sequentially ; however for faster performance on a large table or secondary index applications can request a parallel Scan operation by providing the Segment and TotalSegments parameters . For more information see Parallel Scan in the Amazon DynamoDB Developer Guide . Scan uses eventually consistent reads when accessing the data in a table ; therefore the result set might not include the changes to data in the table immediately before the operation began . If you need a consistent copy of the data as of the time that the Scan begins you can set the ConsistentRead parameter to true .
fn scan(&self, input: ScanInput) -> RusotoFuture<ScanOutput, ScanError> {
        let mut request = SignedRequest::new("POST", "dynamodb", &self.region, "/");
        request.set_content_type("application/x-amz-json-1.0".to_owned());
        request.add_header("x-amz-target", "DynamoDB_20120810.Scan");
        let encoded = serde_json::to_string(&input).unwrap();
        request.set_payload(Some(encoded.into_bytes()));
        self.client.sign_and_dispatch(request, |response| {
            if response.status.is_success() {
                Box::new(response.buffer().from_err().map(|response| {
                    let mut body = response.body;
                    if body.is_empty() || body == b"null" {
                        body = b"{}".to_vec();
                    }
                    serde_json::from_str::<ScanOutput>(
                        String::from_utf8_lossy(body.as_ref()).as_ref(),
                    )
                    .unwrap()
                }))
            } else {
                Box::new(
                    response
                        .buffer()
                        .from_err()
                        .and_then(|response| Err(ScanError::from_response(response))),
                )
            }
        })
    }
fn scan ( & self , input : ScanInput ) -> RusotoFuture < ScanOutput , ScanError > { let mut request = SignedRequest :: new ( " " , " " , & self . region , " " ) ; request . set_content_type ( " " . to_owned ( ) ) ; request . add_header ( " " , " " ) ; let encoded = serde_json :: to_string ( & input ) . unwrap ( ) ; request . set_payload ( Some ( encoded . into_bytes ( ) ) ) ; self . client . sign_and_dispatch ( request , | response | { if response . status . is_success ( ) { Box :: new ( response . buffer ( ) . from_err ( ) . map ( | response | { let mut body = response . body ; if body . is_empty ( ) || body == b" " { body = b" " . to_vec ( ) ; } serde_json :: from_str :: < ScanOutput > ( String :: from_utf8_lossy ( body . as_ref ( ) ) . as_ref ( ) , ) . unwrap ( ) } ) ) } else { Box :: new ( response . buffer ( ) . from_err ( ) . and_then ( | response | Err ( ScanError :: from_response ( response ) ) ) , ) } } ) }
<p>The <code>Scan</code> operation returns one or more items and item attributes by accessing every item in a table or a secondary index.
<p > The <code > Scan< / code > operation returns one or more items and item attributes by accessing every item in a table or a secondary index .
&self
input
ScanInput
&self
input
ScanInput