#include <mongocxx/v_noabi/mongocxx/options/index.hpp>

Description

Used by MongoDB index creation operations.

See also

https://www.mongodb.com/docs/manual/reference/command/createIndexes

Classes
class	base_storage_options
	Base class representing the optional storage engine options for indexes. More...
class	wiredtiger_storage_options
	The optional WiredTiger storage engine options for indexes. More...

Public Member Functions
	index ()=default
	Default initialization.
	index (v1::indexes::options const &opts)
	Construct with the mongocxx::v1 equivalent.
bsoncxx::v_noabi::stdx::optional< bool > const &	background () const
	The current background setting.
index &	background (bool background)
	Whether or not to build the index in the background so that building the index does not block other database activities. The default is to build indexes in the foreground.
bsoncxx::v_noabi::stdx::optional< bsoncxx::v_noabi::document::view > const &	collation () const
	Retrieves the current collation for this index.
index &	collation (bsoncxx::v_noabi::document::view collation)
	Sets the collation for this index.
bsoncxx::v_noabi::stdx::optional< bsoncxx::v_noabi::string::view_or_value > const &	default_language () const
	The current default_language setting.
index &	default_language (bsoncxx::v_noabi::string::view_or_value default_language)
	For text indexes, the language that determines the list of stop words and the rules for the stemmer and tokenizer.
bsoncxx::v_noabi::stdx::optional< std::chrono::seconds > const &	expire_after () const
	The current expire_after setting.
index &	expire_after (std::chrono::seconds seconds)
	Set a value, in seconds, as a TTL to control how long MongoDB retains documents in this collection.
bsoncxx::v_noabi::stdx::optional< double > const &	haystack_bucket_size () const
	The current haystack_bucket_size setting.
index &	haystack_bucket_size (double haystack_bucket_size)
	For geoHaystack indexes, specify the number of units within which to group the location values; i.e. group in the same bucket those location values that are within the specified number of units to each other.
bsoncxx::v_noabi::stdx::optional< bool > const &	hidden () const
	The current hidden setting.
index &	hidden (bool hidden)
	Whether or not the index is hidden from the query planner. A hidden index is not evaluated as part of query plan selection.
bsoncxx::v_noabi::stdx::optional< bsoncxx::v_noabi::string::view_or_value > const &	language_override () const
	The current name of the field that contains the override language for text indexes.
index &	language_override (bsoncxx::v_noabi::string::view_or_value language_override)
	For text indexes, the name of the field, in the collection’s documents, that contains the override language for the document.
bsoncxx::v_noabi::stdx::optional< bsoncxx::v_noabi::string::view_or_value > const &	name () const
	The current name setting.
index &	name (bsoncxx::v_noabi::string::view_or_value name)
	The name of the index.
	operator bsoncxx::v_noabi::document::view_or_value ()
	Conversion operator that provides a view of the options in document form.
	operator v1::indexes::options () const
	Convert to the mongocxx::v1 equivalent.
bsoncxx::v_noabi::stdx::optional< bsoncxx::v_noabi::document::view > const &	partial_filter_expression () const
	The current partial_filter_expression setting.
index &	partial_filter_expression (bsoncxx::v_noabi::document::view partial_filter_expression)
	Sets the document for the partial filter expression for partial indexes.
bsoncxx::v_noabi::stdx::optional< bool > const &	sparse () const
	The current sparse setting.
index &	sparse (bool sparse)
	Whether or not to create a sparse index. Sparse indexes only reference documents with the indexed fields.
bsoncxx::v_noabi::stdx::optional< bsoncxx::v_noabi::document::view > const &	storage_engine () const
	The current storage engine options.
index &	storage_engine (bsoncxx::v_noabi::stdx::optional< bsoncxx::v_noabi::document::view > storage_engine)
	Specifies the storage engine options for the index.
index &	storage_options (std::unique_ptr< base_storage_options > storage_options)
	Specifies the storage engine options for the index.
index &	storage_options (std::unique_ptr< wiredtiger_storage_options > storage_options)
	Specifies the WiredTiger-specific storage engine options for the index.
bsoncxx::v_noabi::stdx::optional< std::uint8_t > const &	twod_bits_precision () const
	The current precision of the stored geohash value of the location data.
index &	twod_bits_precision (std::uint8_t twod_bits_precision)
	For 2d indexes, the precision of the stored geohash value of the location data.
bsoncxx::v_noabi::stdx::optional< double > const &	twod_location_max () const
	The current upper inclusive boundary for the longitude and latitude values.
index &	twod_location_max (double twod_location_max)
	For 2d indexes, the upper inclusive boundary for the longitude and latitude values.
bsoncxx::v_noabi::stdx::optional< double > const &	twod_location_min () const
	The current lower inclusive boundary for the longitude and latitude values.
index &	twod_location_min (double twod_location_min)
	For 2d indexes, the lower inclusive boundary for the longitude and latitude values.
bsoncxx::v_noabi::stdx::optional< std::uint8_t > const &	twod_sphere_version () const
	The current twod_sphere_version setting.
index &	twod_sphere_version (std::uint8_t twod_sphere_version)
	For 2dsphere indexes, the 2dsphere index version number. Version can be either 1 or 2.
bsoncxx::v_noabi::stdx::optional< bool > const &	unique () const
	The current unique setting.
index &	unique (bool unique)
	Whether or not to create a unique index so that the collection will not accept insertion of documents where the index key or keys match an existing value in the index.
bsoncxx::v_noabi::stdx::optional< std::int32_t > const &	version () const
	The current index version.
index &	version (std::int32_t v)
	Sets the index version.
bsoncxx::v_noabi::stdx::optional< bsoncxx::v_noabi::document::view > const &	weights () const
	The current weights setting.
index &	weights (bsoncxx::v_noabi::document::view weights)
	For text indexes, sets the weight document. The weight document contains field and weight pairs.

Constructor & Destructor Documentation

◆ index() [1/2]

mongocxx::v_noabi::options::index::index ( )

default

Default initialization.

◆ index() [2/2]

mongocxx::v_noabi::options::index::index ( v1::indexes::options const & opts )

Construct with the mongocxx::v1 equivalent.

Warning: The fields owned by opts MUST outlive the views in this object.

Member Function Documentation

◆ background() [1/2]

bsoncxx::v_noabi::stdx::optional< bool > const & mongocxx::v_noabi::options::index::background ( ) const

inline

The current background setting.

Returns: The current background.

◆ background() [2/2]

index & mongocxx::v_noabi::options::index::background ( bool background )

inline

Whether or not to build the index in the background so that building the index does not block other database activities. The default is to build indexes in the foreground.

Parameters

background Whether or not to build the index in the background.

Returns: A reference to the object on which this member function is being called. This facilitates method chaining.

See also

https://www.mongodb.com/docs/manual/tutorial/build-indexes-in-the-background/

◆ collation() [1/2]

bsoncxx::v_noabi::stdx::optional< bsoncxx::v_noabi::document::view > const & mongocxx::v_noabi::options::index::collation ( ) const

inline

Retrieves the current collation for this index.

Returns: The current collation.

See also

https://www.mongodb.com/docs/manual/reference/collation/

◆ collation() [2/2]

index & mongocxx::v_noabi::options::index::collation ( bsoncxx::v_noabi::document::view collation )

inline

Sets the collation for this index.

Parameters

collation The new collation.

Returns: A reference to the object on which this member function is being called. This facilitates method chaining.

See also

https://www.mongodb.com/docs/manual/reference/collation/

◆ default_language() [1/2]

bsoncxx::v_noabi::stdx::optional< bsoncxx::v_noabi::string::view_or_value > const & mongocxx::v_noabi::options::index::default_language ( ) const

inline

The current default_language setting.

Returns: The current default_language.

◆ default_language() [2/2]

index & mongocxx::v_noabi::options::index::default_language ( bsoncxx::v_noabi::string::view_or_value default_language )

inline

For text indexes, the language that determines the list of stop words and the rules for the stemmer and tokenizer.

Parameters

default_language The default language used when creating text indexes.

Returns: A reference to the object on which this member function is being called. This facilitates method chaining.

◆ expire_after() [1/2]

bsoncxx::v_noabi::stdx::optional< std::chrono::seconds > const & mongocxx::v_noabi::options::index::expire_after ( ) const

inline

The current expire_after setting.

Returns: The current expire_after value.

◆ expire_after() [2/2]

index & mongocxx::v_noabi::options::index::expire_after ( std::chrono::seconds seconds )

inline

Set a value, in seconds, as a TTL to control how long MongoDB retains documents in this collection.

Parameters

seconds The amount of time, in seconds, to retain documents.

Returns: A reference to the object on which this member function is being called. This facilitates method chaining.

See also

https://www.mongodb.com/docs/manual/core/index-ttl/

◆ haystack_bucket_size() [1/2]

bsoncxx::v_noabi::stdx::optional< double > const & mongocxx::v_noabi::options::index::haystack_bucket_size ( ) const

inline

The current haystack_bucket_size setting.

Returns: The current haystack_bucket_size.

Deprecated: This method is deprecated.

◆ haystack_bucket_size() [2/2]

index & mongocxx::v_noabi::options::index::haystack_bucket_size ( double haystack_bucket_size )

inline

For geoHaystack indexes, specify the number of units within which to group the location values; i.e. group in the same bucket those location values that are within the specified number of units to each other.

See also

https://www.mongodb.com/docs/manual/core/geohaystack/

Parameters

haystack_bucket_size The geoHaystack bucket size.

Deprecated: This option is deprecated.

Returns: A reference to the object on which this member function is being called. This facilitates method chaining.

◆ hidden() [1/2]

bsoncxx::v_noabi::stdx::optional< bool > const & mongocxx::v_noabi::options::index::hidden ( ) const

inline

The current hidden setting.

Returns: The current hidden.

◆ hidden() [2/2]

index & mongocxx::v_noabi::options::index::hidden ( bool hidden )

inline

Whether or not the index is hidden from the query planner. A hidden index is not evaluated as part of query plan selection.

Parameters

hidden Whether or not to create a hidden index.

Returns: A reference to the object on which this member function is being called. This facilitates method chaining.

See also

https://www.mongodb.com/docs/manual/core/index-hidden/

◆ language_override() [1/2]

bsoncxx::v_noabi::stdx::optional< bsoncxx::v_noabi::string::view_or_value > const & mongocxx::v_noabi::options::index::language_override ( ) const

inline

The current name of the field that contains the override language for text indexes.

Returns: The name of the field that contains the override language for text indexes.

◆ language_override() [2/2]

index & mongocxx::v_noabi::options::index::language_override ( bsoncxx::v_noabi::string::view_or_value language_override )

inline

For text indexes, the name of the field, in the collection’s documents, that contains the override language for the document.

Parameters

language_override The name of the field that contains the override language for text indexes.

Returns: A reference to the object on which this member function is being called. This facilitates method chaining.

◆ name() [1/2]

bsoncxx::v_noabi::stdx::optional< bsoncxx::v_noabi::string::view_or_value > const & mongocxx::v_noabi::options::index::name ( ) const

inline

The current name setting.

Returns: The current name.

◆ name() [2/2]

index & mongocxx::v_noabi::options::index::name ( bsoncxx::v_noabi::string::view_or_value name )

inline

The name of the index.

Parameters

name	The name of the index.

Returns: A reference to the object on which this member function is being called. This facilitates method chaining.

◆ operator bsoncxx::v_noabi::document::view_or_value()

mongocxx::v_noabi::options::index::operator bsoncxx::v_noabi::document::view_or_value ( )

Conversion operator that provides a view of the options in document form.

Exceptions

mongocxx::v_noabi::logic_error if an invalid expireAfterSeconds field is provided.

Returns: A view of the current builder contents.

◆ operator v1::indexes::options()

mongocxx::v_noabi::options::index::operator v1::indexes::options ( ) const

inlineexplicit

Convert to the mongocxx::v1 equivalent.

Note: The storage_options and haystack_bucket_size fields are ignored.

◆ partial_filter_expression() [1/2]

bsoncxx::v_noabi::stdx::optional< bsoncxx::v_noabi::document::view > const & mongocxx::v_noabi::options::index::partial_filter_expression ( ) const

inline

The current partial_filter_expression setting.

Returns: The current partial_filter_expression.

◆ partial_filter_expression() [2/2]

index & mongocxx::v_noabi::options::index::partial_filter_expression ( bsoncxx::v_noabi::document::view partial_filter_expression )

inline

Sets the document for the partial filter expression for partial indexes.

Parameters

partial_filter_expression The partial filter expression document.

Returns: A reference to the object on which this member function is being called. This facilitates method chaining.

◆ sparse() [1/2]

bsoncxx::v_noabi::stdx::optional< bool > const & mongocxx::v_noabi::options::index::sparse ( ) const

inline

The current sparse setting.

Returns: The current sparse setting.

◆ sparse() [2/2]

index & mongocxx::v_noabi::options::index::sparse ( bool sparse )

inline

Whether or not to create a sparse index. Sparse indexes only reference documents with the indexed fields.

Parameters

sparse Whether or not to create a sparse index.

Returns: A reference to the object on which this member function is being called. This facilitates method chaining.

See also

https://www.mongodb.com/docs/manual/core/index-sparse/

◆ storage_engine() [1/2]

bsoncxx::v_noabi::stdx::optional< bsoncxx::v_noabi::document::view > const & mongocxx::v_noabi::options::index::storage_engine ( ) const

inline

The current storage engine options.

◆ storage_engine() [2/2]

index & mongocxx::v_noabi::options::index::storage_engine ( bsoncxx::v_noabi::stdx::optional< bsoncxx::v_noabi::document::view > storage_engine )

inline

Specifies the storage engine options for the index.

Important: This option overrides storage_options when set.

The document must have the form { <storage-engine-name>: <options> }, e.g.:

{ "wiredTiger": {"configString": "block_compressor=zlib"} }

Parameters

storage_engine The storage engine options for the index.

See also

◆ storage_options() [1/2]

index & mongocxx::v_noabi::options::index::storage_options ( std::unique_ptr< base_storage_options > storage_options )

inline

Specifies the storage engine options for the index.

Important: This option is overridden by storage_engine when set.

Parameters

storage_options The storage engine options for the index.

Returns: A reference to the object on which this member function is being called. This facilitates method chaining.

Deprecated: Use mongocxx::v_noabi::options::index::storage_engine instead.

◆ storage_options() [2/2]

index & mongocxx::v_noabi::options::index::storage_options ( std::unique_ptr< wiredtiger_storage_options > storage_options )

inline

Specifies the WiredTiger-specific storage engine options for the index.

Important: This option is overridden by storage_engine when set.

Parameters

storage_options The storage engine options for the index.

Deprecated: Use mongocxx::v_noabi::options::index::storage_engine instead.

◆ twod_bits_precision() [1/2]

bsoncxx::v_noabi::stdx::optional< std::uint8_t > const & mongocxx::v_noabi::options::index::twod_bits_precision ( ) const

inline

The current precision of the stored geohash value of the location data.

Returns: The precision of the stored geohash value of the location data.

◆ twod_bits_precision() [2/2]

index & mongocxx::v_noabi::options::index::twod_bits_precision ( std::uint8_t twod_bits_precision )

inline

For 2d indexes, the precision of the stored geohash value of the location data.

Parameters

twod_bits_precision The precision of the stored geohash value.

Returns: A reference to the object on which this member function is being called. This facilitates method chaining.

◆ twod_location_max() [1/2]

bsoncxx::v_noabi::stdx::optional< double > const & mongocxx::v_noabi::options::index::twod_location_max ( ) const

inline

The current upper inclusive boundary for the longitude and latitude values.

Returns: The upper inclusive boundary for the longitude and latitude values.

◆ twod_location_max() [2/2]

index & mongocxx::v_noabi::options::index::twod_location_max ( double twod_location_max )

inline

For 2d indexes, the upper inclusive boundary for the longitude and latitude values.

Parameters

twod_location_max The upper inclusive boundary.

Returns: A reference to the object on which this member function is being called. This facilitates method chaining.

◆ twod_location_min() [1/2]

bsoncxx::v_noabi::stdx::optional< double > const & mongocxx::v_noabi::options::index::twod_location_min ( ) const

inline

The current lower inclusive boundary for the longitude and latitude values.

Returns: The lower inclusive boundary for the longitude and latitude values.

◆ twod_location_min() [2/2]

index & mongocxx::v_noabi::options::index::twod_location_min ( double twod_location_min )

inline

For 2d indexes, the lower inclusive boundary for the longitude and latitude values.

Parameters

twod_location_min The lower inclusive boundary.

Returns: A reference to the object on which this member function is being called. This facilitates method chaining.

◆ twod_sphere_version() [1/2]

bsoncxx::v_noabi::stdx::optional< std::uint8_t > const & mongocxx::v_noabi::options::index::twod_sphere_version ( ) const

inline

The current twod_sphere_version setting.

Returns: The current twod_sphere_version.

◆ twod_sphere_version() [2/2]

index & mongocxx::v_noabi::options::index::twod_sphere_version ( std::uint8_t twod_sphere_version )

inline

For 2dsphere indexes, the 2dsphere index version number. Version can be either 1 or 2.

Parameters

twod_sphere_version The 2dsphere index version number.

Returns: A reference to the object on which this member function is being called. This facilitates method chaining.

◆ unique() [1/2]

bsoncxx::v_noabi::stdx::optional< bool > const & mongocxx::v_noabi::options::index::unique ( ) const

inline

The current unique setting.

Returns: The current unique.

◆ unique() [2/2]

index & mongocxx::v_noabi::options::index::unique ( bool unique )

inline

Whether or not to create a unique index so that the collection will not accept insertion of documents where the index key or keys match an existing value in the index.

Parameters

unique Whether or not to create a unique index.

Returns: A reference to the object on which this member function is being called. This facilitates method chaining.

See also

https://www.mongodb.com/docs/manual/core/index-unique/

◆ version() [1/2]

bsoncxx::v_noabi::stdx::optional< std::int32_t > const & mongocxx::v_noabi::options::index::version ( ) const

inline

The current index version.

Returns: The current index version.

◆ version() [2/2]

index & mongocxx::v_noabi::options::index::version ( std::int32_t v )

inline

Sets the index version.

Parameters

v	The index version.

Returns: A reference to the object on which this member function is being called. This facilitates method chaining.

◆ weights() [1/2]

bsoncxx::v_noabi::stdx::optional< bsoncxx::v_noabi::document::view > const & mongocxx::v_noabi::options::index::weights ( ) const

inline

The current weights setting.

Returns: The current weights.

◆ weights() [2/2]

index & mongocxx::v_noabi::options::index::weights ( bsoncxx::v_noabi::document::view weights )

inline

For text indexes, sets the weight document. The weight document contains field and weight pairs.

Parameters

weights The weight document for text indexes.

Returns: A reference to the object on which this member function is being called. This facilitates method chaining.

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

mongocxx/v_noabi/mongocxx/options/index.hpp

MongoDB C++ Driver 4.2.0

Description

Classes

Public Member Functions

Constructor & Destructor Documentation

◆ index() [1/2]

◆ index() [2/2]

Member Function Documentation

◆ background() [1/2]

◆ background() [2/2]

◆ collation() [1/2]

◆ collation() [2/2]

◆ default_language() [1/2]

◆ default_language() [2/2]

◆ expire_after() [1/2]

◆ expire_after() [2/2]

◆ haystack_bucket_size() [1/2]

◆ haystack_bucket_size() [2/2]

◆ hidden() [1/2]

◆ hidden() [2/2]

◆ language_override() [1/2]

◆ language_override() [2/2]

◆ name() [1/2]

◆ name() [2/2]

◆ operator bsoncxx::v_noabi::document::view_or_value()

◆ operator v1::indexes::options()

◆ partial_filter_expression() [1/2]

◆ partial_filter_expression() [2/2]

◆ sparse() [1/2]

◆ sparse() [2/2]

◆ storage_engine() [1/2]

◆ storage_engine() [2/2]

◆ storage_options() [1/2]

◆ storage_options() [2/2]

◆ twod_bits_precision() [1/2]

◆ twod_bits_precision() [2/2]

◆ twod_location_max() [1/2]

◆ twod_location_max() [2/2]

◆ twod_location_min() [1/2]

◆ twod_location_min() [2/2]

◆ twod_sphere_version() [1/2]

◆ twod_sphere_version() [2/2]

◆ unique() [1/2]

◆ unique() [2/2]

◆ version() [1/2]

◆ version() [2/2]

◆ weights() [1/2]

◆ weights() [2/2]