Class: Google::Cloud::Datastore::V1::TransactionOptions

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

Overview

Options for beginning a new transaction.

Transactions can be created explicitly with calls to Datastore.BeginTransaction or implicitly by setting ReadOptions.new_transaction in read requests.

Defined Under Namespace

Classes: ReadOnly, ReadWrite

Instance Attribute Summary collapse

Instance Attribute Details

#read_only ⇒ ::Google::Cloud::Datastore::V1::TransactionOptions::ReadOnly

Returns The transaction should only allow reads.

Note: The following fields are mutually exclusive: read_only, read_write. If a field in that set is populated, all other fields in the set will automatically be cleared.

Returns:



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# File 'proto_docs/google/datastore/v1/datastore.rb', line 758

class TransactionOptions
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Options specific to read / write transactions.
  # @!attribute [rw] previous_transaction
  #   @return [::String]
  #     The transaction identifier of the transaction being retried.
  class ReadWrite
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Options specific to read-only transactions.
  # @!attribute [rw] read_time
  #   @return [::Google::Protobuf::Timestamp]
  #     Reads entities at the given time.
  #
  #     This must be a microsecond precision timestamp within the past one hour,
  #     or if Point-in-Time Recovery is enabled, can additionally be a whole
  #     minute timestamp within the past 7 days.
  class ReadOnly
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end
end

#read_write ⇒ ::Google::Cloud::Datastore::V1::TransactionOptions::ReadWrite

Returns The transaction should allow both reads and writes.

Note: The following fields are mutually exclusive: read_write, read_only. If a field in that set is populated, all other fields in the set will automatically be cleared.

Returns:



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# File 'proto_docs/google/datastore/v1/datastore.rb', line 758

class TransactionOptions
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # Options specific to read / write transactions.
  # @!attribute [rw] previous_transaction
  #   @return [::String]
  #     The transaction identifier of the transaction being retried.
  class ReadWrite
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Options specific to read-only transactions.
  # @!attribute [rw] read_time
  #   @return [::Google::Protobuf::Timestamp]
  #     Reads entities at the given time.
  #
  #     This must be a microsecond precision timestamp within the past one hour,
  #     or if Point-in-Time Recovery is enabled, can additionally be a whole
  #     minute timestamp within the past 7 days.
  class ReadOnly
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end
end