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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
Namespace
Google \ Cloud \ Spanner \ V1Methods
__construct
Constructor.
Parameters | |
---|---|
Name | Description |
data |
array
Optional. Data for populating the Message object. |
↳ id |
string
|
↳ 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: |
↳ precommit_token |
MultiplexedSessionPrecommitToken
A precommit token is included in the response of a BeginTransaction request if the read-write transaction is on a multiplexed session and a mutation_key was specified in the BeginTransaction. The precommit token with the highest sequence number from this transaction attempt should be passed to the Commit request for this transaction. |
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 |
getPrecommitToken
A precommit token is included in the response of a BeginTransaction request if the read-write transaction is on a multiplexed session and a mutation_key was specified in the BeginTransaction.
The precommit token with the highest sequence number from this transaction attempt should be passed to the Commit request for this transaction.
Returns | |
---|---|
Type | Description |
MultiplexedSessionPrecommitToken|null |
hasPrecommitToken
clearPrecommitToken
setPrecommitToken
A precommit token is included in the response of a BeginTransaction request if the read-write transaction is on a multiplexed session and a mutation_key was specified in the BeginTransaction.
The precommit token with the highest sequence number from this transaction attempt should be passed to the Commit request for this transaction.
Parameter | |
---|---|
Name | Description |
var |
MultiplexedSessionPrecommitToken
|
Returns | |
---|---|
Type | Description |
$this |