Begins a new transaction.
HTTP request
POST https://datastore.googleapis.com/v1/projects/{projectId}:beginTransaction
The URL uses gRPC Transcoding syntax.
Path parameters
Parameters | |
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projectId |
Required. The ID of the project against which to make the request. |
Request body
The request body contains data with the following structure:
JSON representation |
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{
"databaseId": string,
"transactionOptions": {
object ( |
Fields | |
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databaseId |
The ID of the database against which to make the request. '(default)' is not allowed; please use empty string '' to refer the default database. |
transactionOptions |
Options for a new transaction. |
Response body
The response for Datastore.BeginTransaction
.
If successful, the response body contains data with the following structure:
JSON representation |
---|
{ "transaction": string } |
Fields | |
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transaction |
The transaction identifier (always present). A base64-encoded string. |
Authorization scopes
Requires one of the following OAuth scopes:
https://www.googleapis.com/auth/datastore
https://www.googleapis.com/auth/cloud-platform
For more information, see the Authentication Overview.