Cloud Spanner V1 Client - Class Transaction (1.56.0)

Version 1.56.0

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

A transaction.

Generated from protobuf message google.spanner.v1.Transaction

Methods

__construct

Constructor.

Parameters
Name	Description
data	array Optional. Data for populating the Message object.
↳ id	string id may be used to identify the transaction in subsequent Read, ExecuteSql, Commit, or Rollback calls. Single-use read-only transactions do not have IDs, because single-use transactions do not support multiple requests.
↳ read_timestamp	Google\Protobuf\Timestamp For snapshot read-only transactions, the read timestamp chosen for the transaction. Not returned by default: see TransactionOptions.ReadOnly.return_read_timestamp. A timestamp in RFC3339 UTC "Zulu" format, accurate to nanoseconds. Example: "2014-10-02T15:01:23.045123456Z".

getId

id may be used to identify the transaction in subsequent Read, ExecuteSql, Commit, or Rollback calls.

Single-use read-only transactions do not have IDs, because single-use transactions do not support multiple requests.

Returns
Type	Description
string

setId

id may be used to identify the transaction in subsequent Read, ExecuteSql, Commit, or Rollback calls.

Single-use read-only transactions do not have IDs, because single-use transactions do not support multiple requests.

Parameter
Name	Description
var	string

Returns
Type	Description
$this

getReadTimestamp

For snapshot read-only transactions, the read timestamp chosen for the transaction. Not returned by default: see TransactionOptions.ReadOnly.return_read_timestamp.

A timestamp in RFC3339 UTC "Zulu" format, accurate to nanoseconds. Example: "2014-10-02T15:01:23.045123456Z".

Returns
Type	Description
Google\Protobuf\Timestamp|null

hasReadTimestamp

clearReadTimestamp

setReadTimestamp

For snapshot read-only transactions, the read timestamp chosen for the transaction. Not returned by default: see TransactionOptions.ReadOnly.return_read_timestamp.

A timestamp in RFC3339 UTC "Zulu" format, accurate to nanoseconds. Example: "2014-10-02T15:01:23.045123456Z".

Parameter
Name	Description
var	Google\Protobuf\Timestamp

Returns
Type	Description
$this