Cloud Spanner V1 API - Class Google::Cloud::Spanner::V1::Transaction (v1.15.0)

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Reference documentation and code samples for the Cloud Spanner V1 API class Google::Cloud::Spanner::V1::Transaction.

A transaction.

Inherits

• Object

Extended By

• Google::Protobuf::MessageExts::ClassMethods

Includes

• Google::Protobuf::MessageExts

Methods

#cache_update

def cache_update() -> ::Google::Cloud::Spanner::V1::CacheUpdate

Returns

• (::Google::Cloud::Spanner::V1::CacheUpdate) — Optional. A cache update expresses a set of changes the client should incorporate into its location cache. The client should discard the changes if they are older than the data it already has. This data can be obtained in response to requests that included a RoutingHint field, but may also be obtained by explicit location-fetching RPCs which may be added in the future.

#cache_update=

def cache_update=(value) -> ::Google::Cloud::Spanner::V1::CacheUpdate

Parameter

• value (::Google::Cloud::Spanner::V1::CacheUpdate) — Optional. A cache update expresses a set of changes the client should incorporate into its location cache. The client should discard the changes if they are older than the data it already has. This data can be obtained in response to requests that included a RoutingHint field, but may also be obtained by explicit location-fetching RPCs which may be added in the future.

Returns

• (::Google::Cloud::Spanner::V1::CacheUpdate) — Optional. A cache update expresses a set of changes the client should incorporate into its location cache. The client should discard the changes if they are older than the data it already has. This data can be obtained in response to requests that included a RoutingHint field, but may also be obtained by explicit location-fetching RPCs which may be added in the future.

#id

def id() -> ::String

Returns

• (::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.

#id=

def id=(value) -> ::String

Parameter

• value (::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.

Returns

• (::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.

#precommit_token

def precommit_token() -> ::Google::Cloud::Spanner::V1::MultiplexedSessionPrecommitToken

Returns

• (::Google::Cloud::Spanner::V1::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.

#precommit_token=

def precommit_token=(value) -> ::Google::Cloud::Spanner::V1::MultiplexedSessionPrecommitToken

Parameter

• value (::Google::Cloud::Spanner::V1::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.

Returns

• (::Google::Cloud::Spanner::V1::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.

#read_timestamp

def read_timestamp() -> ::Google::Protobuf::Timestamp

Returns

• (::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".

#read_timestamp=

def read_timestamp=(value) -> ::Google::Protobuf::Timestamp

Parameter

• value (::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".

Returns

• (::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".