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api_op_ExecuteTransaction.go
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api_op_ExecuteTransaction.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package dynamodb
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
"github.com/aws/aws-sdk-go-v2/service/dynamodb/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// This operation allows you to perform transactional reads or writes on data
// stored in DynamoDB, using PartiQL. The entire transaction must consist of either
// read statements or write statements, you cannot mix both in one transaction. The
// EXISTS function is an exception and can be used to check the condition of
// specific attributes of the item in a similar manner to ConditionCheck in the
// TransactWriteItems
// (https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/transaction-apis.html#transaction-apis-txwriteitems)
// API.
func (c *Client) ExecuteTransaction(ctx context.Context, params *ExecuteTransactionInput, optFns ...func(*Options)) (*ExecuteTransactionOutput, error) {
if params == nil {
params = &ExecuteTransactionInput{}
}
result, metadata, err := c.invokeOperation(ctx, "ExecuteTransaction", params, optFns, c.addOperationExecuteTransactionMiddlewares)
if err != nil {
return nil, err
}
out := result.(*ExecuteTransactionOutput)
out.ResultMetadata = metadata
return out, nil
}
type ExecuteTransactionInput struct {
// The list of PartiQL statements representing the transaction to run.
//
// This member is required.
TransactStatements []types.ParameterizedStatement
// Set this value to get remaining results, if NextToken was returned in the
// statement response.
ClientRequestToken *string
// Determines the level of detail about either provisioned or on-demand throughput
// consumption that is returned in the response. For more information, see
// TransactGetItems
// (https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_TransactGetItems.html)
// and TransactWriteItems
// (https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_TransactWriteItems.html).
ReturnConsumedCapacity types.ReturnConsumedCapacity
noSmithyDocumentSerde
}
type ExecuteTransactionOutput struct {
// The capacity units consumed by the entire operation. The values of the list are
// ordered according to the ordering of the statements.
ConsumedCapacity []types.ConsumedCapacity
// The response to a PartiQL transaction.
Responses []types.ItemResponse
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationExecuteTransactionMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsAwsjson10_serializeOpExecuteTransaction{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsjson10_deserializeOpExecuteTransaction{}, middleware.After)
if err != nil {
return err
}
if err = addSetLoggerMiddleware(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
return err
}
if err = addResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
return err
}
if err = addRetryMiddlewares(stack, options); err != nil {
return err
}
if err = addHTTPSignerV4Middleware(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
return err
}
if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
return err
}
if err = addClientUserAgent(stack); err != nil {
return err
}
if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = addIdempotencyToken_opExecuteTransactionMiddleware(stack, options); err != nil {
return err
}
if err = addOpExecuteTransactionValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opExecuteTransaction(options.Region), middleware.Before); err != nil {
return err
}
if err = addRequestIDRetrieverMiddleware(stack); err != nil {
return err
}
if err = addResponseErrorMiddleware(stack); err != nil {
return err
}
if err = addValidateResponseChecksum(stack, options); err != nil {
return err
}
if err = addAcceptEncodingGzip(stack, options); err != nil {
return err
}
if err = addRequestResponseLogging(stack, options); err != nil {
return err
}
return nil
}
type idempotencyToken_initializeOpExecuteTransaction struct {
tokenProvider IdempotencyTokenProvider
}
func (*idempotencyToken_initializeOpExecuteTransaction) ID() string {
return "OperationIdempotencyTokenAutoFill"
}
func (m *idempotencyToken_initializeOpExecuteTransaction) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
if m.tokenProvider == nil {
return next.HandleInitialize(ctx, in)
}
input, ok := in.Parameters.(*ExecuteTransactionInput)
if !ok {
return out, metadata, fmt.Errorf("expected middleware input to be of type *ExecuteTransactionInput ")
}
if input.ClientRequestToken == nil {
t, err := m.tokenProvider.GetIdempotencyToken()
if err != nil {
return out, metadata, err
}
input.ClientRequestToken = &t
}
return next.HandleInitialize(ctx, in)
}
func addIdempotencyToken_opExecuteTransactionMiddleware(stack *middleware.Stack, cfg Options) error {
return stack.Initialize.Add(&idempotencyToken_initializeOpExecuteTransaction{tokenProvider: cfg.IdempotencyTokenProvider}, middleware.Before)
}
func newServiceMetadataMiddleware_opExecuteTransaction(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "dynamodb",
OperationName: "ExecuteTransaction",
}
}