Class: Google::Cloud::Spanner::V1::BeginTransactionRequest

Inherits:
Object
  • Object
show all
Extended by:
Protobuf::MessageExts::ClassMethods
Includes:
Protobuf::MessageExts
Defined in:
proto_docs/google/spanner/v1/spanner.rb

Overview

The request for BeginTransaction.

Instance Attribute Summary collapse

Instance Attribute Details

#mutation_key ⇒ ::Google::Cloud::Spanner::V1::Mutation

Returns Optional. Required for read-write transactions on a multiplexed session that commit mutations but don't perform any reads or queries. You must randomly select one of the mutations from the mutation set and send it as a part of this request.

Returns:

  • (::Google::Cloud::Spanner::V1::Mutation) —

    Optional. Required for read-write transactions on a multiplexed session that commit mutations but don't perform any reads or queries. You must randomly select one of the mutations from the mutation set and send it as a part of this request.



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# File 'proto_docs/google/spanner/v1/spanner.rb', line 1070

class BeginTransactionRequest
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods
end

#options ⇒ ::Google::Cloud::Spanner::V1::TransactionOptions

Returns Required. Options for the new transaction.

Returns:



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# File 'proto_docs/google/spanner/v1/spanner.rb', line 1070

class BeginTransactionRequest
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods
end

#request_options ⇒ ::Google::Cloud::Spanner::V1::RequestOptions

Returns Common options for this request. Priority is ignored for this request. Setting the priority in this request_options struct doesn't do anything. To set the priority for a transaction, set it on the reads and writes that are part of this transaction instead.

Returns:

  • (::Google::Cloud::Spanner::V1::RequestOptions) —

    Common options for this request. Priority is ignored for this request. Setting the priority in this request_options struct doesn't do anything. To set the priority for a transaction, set it on the reads and writes that are part of this transaction instead.



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# File 'proto_docs/google/spanner/v1/spanner.rb', line 1070

class BeginTransactionRequest
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods
end

#routing_hint ⇒ ::Google::Cloud::Spanner::V1::RoutingHint

Returns Optional. Makes the Spanner requests location-aware if present.

It gives the server hints that can be used to route the request to an appropriate server, potentially significantly decreasing latency and improving throughput. To achieve improved performance, most fields must be filled in with accurate values.

Returns:

  • (::Google::Cloud::Spanner::V1::RoutingHint) —

    Optional. Makes the Spanner requests location-aware if present.

    It gives the server hints that can be used to route the request to an appropriate server, potentially significantly decreasing latency and improving throughput. To achieve improved performance, most fields must be filled in with accurate values.



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# File 'proto_docs/google/spanner/v1/spanner.rb', line 1070

class BeginTransactionRequest
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods
end

#session ⇒ ::String

Returns Required. The session in which the transaction runs.

Returns:

  • (::String) —

    Required. The session in which the transaction runs.



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# File 'proto_docs/google/spanner/v1/spanner.rb', line 1070

class BeginTransactionRequest
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods
end