google::cloud::spanner::ReadOptions Struct Reference

Options passed to Client::Read or Client::PartitionRead. More...

#include <google/cloud/spanner/read_options.h>

Public Attributes
std::string	index_name
	If non-empty, the name of an index on a database table. More...
std::int64_t	limit = 0
	Limit on the number of rows to yield, or 0 for no limit. More...
absl::optional< RequestPriority >	request_priority
	Priority for the read request. More...
absl::optional< std::string >	request_tag
	Tag for the read request. More...

Detailed Description

Options passed to Client::Read or Client::PartitionRead.

Member Data Documentation

index_name

std::string google::cloud::spanner::ReadOptions::index_name

If non-empty, the name of an index on a database table.

This index is used instead of the table primary key when interpreting the KeySet and sorting result rows.

limit

std::int64_t google::cloud::spanner::ReadOptions::limit = 0

Limit on the number of rows to yield, or 0 for no limit.

A limit cannot be specified when calling PartitionRead.

request_priority

absl::optional<RequestPriority> google::cloud::spanner::ReadOptions::request_priority

Priority for the read request.

request_tag

absl::optional<std::string> google::cloud::spanner::ReadOptions::request_tag

Tag for the read request.