scan_options Struct Reference

Options for collection::scan(). More...

#include <couchbase/scan_options.hxx>

Inheritance diagram for scan_options:

Classes
struct	built
	Immutable value object representing consistent options. More...

Public Member Functions
auto	ids_only (bool ids_only) -> scan_options &
	Specifies whether only document IDs should be included in the results.
auto	consistent_with (const mutation_state &state) -> scan_options &
	Sets the mutation_tokens this scan should be consistent with.
auto	batch_byte_limit (std::uint32_t batch_byte_limit) -> scan_options &
	Allows to limit the maximum amount of bytes that are sent from the server in each partition batch.
auto	batch_item_limit (std::uint32_t batch_item_limit) -> scan_options &
	Allows to limit the maximum number of scan items that are sent from the server in each partition batch.
auto	concurrency (std::uint16_t concurrency) -> scan_options &
	Specifies the maximum number of partitions that can be scanned concurrently.
auto	build () const -> built
	Validates options and returns them as an immutable value.
Public Member Functions inherited from common_options< scan_options >
auto	timeout (const std::chrono::milliseconds timeout) -> scan_options &
	Specifies a custom per-operation timeout.
auto	retry_strategy (const std::shared_ptr< retry_strategy > strategy) -> scan_options &
	Specifies a custom couchbase::retry_strategy for this operation.

Additional Inherited Members
Protected Member Functions inherited from common_options< scan_options >
auto	build_common_options () const -> built
auto	self () -> scan_options &
	Allows to return the right options builder instance for child implementations.

Detailed Description

Options for collection::scan().

Since

1.0.0

Committed

Generally available API and should be preferred in production

Member Function Documentation

batch_byte_limit()

auto batch_byte_limit ( std::uint32_t batch_byte_limit ) -> scan_options&

inline

Allows to limit the maximum amount of bytes that are sent from the server in each partition batch.

Defaults to 15,000.

Parameters

batch_byte_limit

the byte limit

Returns

the options builder for chaining purposes.

Since

1.0.0

Committed

Generally available API and should be preferred in production

batch_item_limit()

auto batch_item_limit ( std::uint32_t batch_item_limit ) -> scan_options&

inline

Allows to limit the maximum number of scan items that are sent from the server in each partition batch.

Defaults to 50.

Parameters

batch_item_limit

the item limit

Returns

the options builder for chaining purposes.

Since

1.0.0

Committed

Generally available API and should be preferred in production

build()

auto build ( ) const -> built

inlinenodiscard

Validates options and returns them as an immutable value.

Returns

consistent options as an immutable value.

Exceptions

std::system_error

with code errc::common::invalid_argument if the options are not valid.

Since

1.0.0

Internal

Internal interface

concurrency()

auto concurrency ( std::uint16_t concurrency ) -> scan_options&

inline

Specifies the maximum number of partitions that can be scanned concurrently.

Defaults to 1.

Parameters

concurrency

the maximum number of concurrent partition scans

Returns

the options builder for chaining purposes.

Since

1.0.0

Committed

Generally available API and should be preferred in production

consistent_with()

auto consistent_with ( const mutation_state & state ) -> scan_options&

inline

Sets the mutation_tokens this scan should be consistent with.

These mutation tokens are returned from mutations (i.e. as part of a mutation_result) and if you want your scan to include those you need to pass the mutation tokens into a mutation_state.

Parameters

state

the mutation state containing the mutation tokens.

Returns

the options builder for chaining purposes.

Since

1.0.0

Committed

Generally available API and should be preferred in production

ids_only()

auto ids_only ( bool ids_only ) -> scan_options&

inline

Specifies whether only document IDs should be included in the results.

Defaults to false.

Parameters

ids_only

if set to true the content will not be included in the results

Returns

the options builder for chaining purposes.

Since

1.0.0

Committed

Generally available API and should be preferred in production

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The documentation for this struct was generated from the following file:

• couchbase/scan_options.hxx