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.
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.
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".
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".
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.
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".
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-16 UTC."],[],[]]