Class Transaction (1.15.1)

A transaction.

For snapshot read-only transactions, the read timestamp chosen for the transaction. Not returned by default: see [Transaction Options.ReadOnly.return_read_timestamp][google.spanner.v1.Tr ansactionOptions.ReadOnly.return_read_timestamp]. A timestamp in RFC3339 UTC "Zulu" format, accurate to nanoseconds. Example: "2014-10-02T15:01:23.045123456Z".