Cloud Spanner V1 Client - Class BeginTransactionRequest (1.92.1)

Reference documentation and code samples for the Cloud Spanner V1 Client class BeginTransactionRequest.

The request for BeginTransaction.

Generated from protobuf message google.spanner.v1.BeginTransactionRequest

Namespace

Google \ Cloud \ Spanner \ V1

Methods

__construct

Constructor.

Parameters
Name Description
data array

Optional. Data for populating the Message object.
↳ session string

Required. The session in which the transaction runs.
↳ options TransactionOptions

Required. Options for the new transaction.
↳ request_options RequestOptions

Common options for this request. Priority is ignored for this request. Setting the priority in this request_options struct will not do anything. To set the priority for a transaction, set it on the reads and writes that are part of this transaction instead.
↳ mutation_key Mutation

Optional. Required for read-write transactions on a multiplexed session that commit mutations but do not perform any reads or queries. Clients should randomly select one of the mutations from the mutation set and send it as a part of this request. This feature is not yet supported and will result in an UNIMPLEMENTED error.

getSession

Required. The session in which the transaction runs.

Returns
Type Description
string

setSession

Required. The session in which the transaction runs.

Parameter
Name Description
var string
Returns
Type Description
$this

getOptions

Required. Options for the new transaction.

Returns
Type Description
TransactionOptions|null

hasOptions

clearOptions

setOptions

Required. Options for the new transaction.

Parameter
Name Description
var TransactionOptions
Returns
Type Description
$this

getRequestOptions

Common options for this request.

Priority is ignored for this request. Setting the priority in this request_options struct will not do anything. To set the priority for a transaction, set it on the reads and writes that are part of this transaction instead.

Returns
Type Description
RequestOptions|null

hasRequestOptions

clearRequestOptions

setRequestOptions

Common options for this request.

Priority is ignored for this request. Setting the priority in this request_options struct will not do anything. To set the priority for a transaction, set it on the reads and writes that are part of this transaction instead.

Parameter
Name Description
var RequestOptions
Returns
Type Description
$this

getMutationKey

Optional. Required for read-write transactions on a multiplexed session that commit mutations but do not perform any reads or queries. Clients should randomly select one of the mutations from the mutation set and send it as a part of this request.

This feature is not yet supported and will result in an UNIMPLEMENTED error.

Returns
Type Description
Mutation|null

hasMutationKey

clearMutationKey

setMutationKey

Optional. Required for read-write transactions on a multiplexed session that commit mutations but do not perform any reads or queries. Clients should randomly select one of the mutations from the mutation set and send it as a part of this request.

This feature is not yet supported and will result in an UNIMPLEMENTED error.

Parameter
Name Description
var Mutation
Returns
Type Description
$this

static::build

Parameters
Name Description
session string

Required. The session in which the transaction runs. Please see SpannerClient::sessionName() for help formatting this field.
options TransactionOptions

Required. Options for the new transaction.
Returns
Type Description
BeginTransactionRequest