Class representing the optional arguments to a MongoDB create index operation. More...

#include <index.hpp>

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

class	wiredtiger_storage_options
	Class representing the optional WiredTiger storage engine options for indexes. More...

Public Member Functions
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. More...

const stdx::optional< bool > &	background () const
	The current background setting. More...

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. More...

const stdx::optional< bool > &	unique () const
	The current unique setting. More...

index &	hidden (bool hidden)
	Whether or not the index is hidden from the query planner. More...

const stdx::optional< bool > &	hidden () const
	The current hidden setting. More...

index &	name (bsoncxx::string::view_or_value name)
	The name of the index. More...

const stdx::optional< bsoncxx::string::view_or_value > &	name () const
	The current name setting. More...

index &	collation (bsoncxx::document::view collation)
	Sets the collation for this index. More...

const stdx::optional< bsoncxx::document::view > &	collation () const
	Retrieves the current collation for this index. More...

index &	sparse (bool sparse)
	Whether or not to create a sparse index. More...

const stdx::optional< bool > &	sparse () const
	The current sparse setting. More...

index &	storage_options (std::unique_ptr< base_storage_options > storage_options)
	Optionally used only in MongoDB 3.0.0 and higher. More...

index &	storage_options (std::unique_ptr< wiredtiger_storage_options > storage_options)
	Optionally used only in MongoDB 3.0.0 and higher. More...

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. More...

const stdx::optional< std::chrono::seconds > &	expire_after () const
	The current expire_after setting. More...

index &	version (std::int32_t v)
	Sets the index version. More...

const stdx::optional< std::int32_t > &	version () const
	The current index version. More...

index &	weights (bsoncxx::document::view weights)
	For text indexes, sets the weight document. More...

const stdx::optional< bsoncxx::document::view > &	weights () const
	The current weights setting. More...

index &	default_language (bsoncxx::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. More...

const stdx::optional< bsoncxx::string::view_or_value > &	default_language () const
	The current default_language setting. More...

index &	language_override (bsoncxx::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. More...

const stdx::optional< bsoncxx::string::view_or_value > &	language_override () const
	The current name of the field that contains the override language for text indexes. More...

index &	partial_filter_expression (bsoncxx::document::view partial_filter_expression)
	Sets the document for the partial filter expression for partial indexes. More...

const stdx::optional< bsoncxx::document::view > &	partial_filter_expression () const
	The current partial_filter_expression setting. More...

index &	twod_sphere_version (std::uint8_t twod_sphere_version)
	For 2dsphere indexes, the 2dsphere index version number. More...

const stdx::optional< std::uint8_t > &	twod_sphere_version () const
	The current twod_sphere_version setting. More...

index &	twod_bits_precision (std::uint8_t twod_bits_precision)
	For 2d indexes, the precision of the stored geohash value of the location data. More...

const stdx::optional< std::uint8_t > &	twod_bits_precision () const
	The current precision of the stored geohash value of the location data. More...

index &	twod_location_min (double twod_location_min)
	For 2d indexes, the lower inclusive boundary for the longitude and latitude values. More...

const stdx::optional< double > &	twod_location_min () const
	The current lower inclusive boundary for the longitude and latitude values. More...

index &	twod_location_max (double twod_location_max)
	For 2d indexes, the upper inclusive boundary for the longitude and latitude values. More...

const stdx::optional< double > &	twod_location_max () const
	The current upper inclusive boundary for the longitude and latitude values. More...

MONGOCXX_DEPRECATED 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. More...

MONGOCXX_DEPRECATED const stdx::optional< double > &	haystack_bucket_size () const
	The current haystack_bucket_size setting. More...

	operator bsoncxx::document::view_or_value ()
	Conversion operator that provides a view of the options in document form. More...

Detailed Description

Class representing the optional arguments to a MongoDB create index operation.

See also: https://docs.mongodb.com/master/reference/command/createIndexes

Member Function Documentation

◆ background() [1/2]

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

The current background setting.

Returns: The current background.

◆ background() [2/2]

index & mongocxx::options::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

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://docs.mongodb.com/master/tutorial/build-indexes-in-the-background/

◆ collation() [1/2]

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

Retrieves the current collation for this index.

Returns: The current collation.

See also: https://docs.mongodb.com/master/reference/collation/

◆ collation() [2/2]

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

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://docs.mongodb.com/master/reference/collation/

◆ default_language() [1/2]

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

The current default_language setting.

Returns: The current default_language.

◆ default_language() [2/2]

index & mongocxx::options::index::default_language ( bsoncxx::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.

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]

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

The current expire_after setting.

Returns: The current expire_after value.

◆ expire_after() [2/2]

index & mongocxx::options::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.

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://docs.mongodb.com/master/core/index-ttl/

◆ haystack_bucket_size() [1/2]

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

The current haystack_bucket_size setting.

Returns: The current haystack_bucket_size.

Deprecated:: This method is deprecated.

◆ haystack_bucket_size() [2/2]

MONGOCXX_DEPRECATED index & mongocxx::options::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.

See also: https://docs.mongodb.com/master/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]

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

The current hidden setting.

Returns: The current hidden.

◆ hidden() [2/2]

index & mongocxx::options::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.

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://docs.mongodb.com/master/core/index-hidden/

◆ language_override() [1/2]

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

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::options::index::language_override ( bsoncxx::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.

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]

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

The current name setting.

Returns: The current name.

◆ name() [2/2]

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

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::document::view_or_value()

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

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

Exceptions

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

Returns: A view of the current builder contents.

◆ partial_filter_expression() [1/2]

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

The current partial_filter_expression setting.

Returns: The current partial_filter_expression.

◆ partial_filter_expression() [2/2]

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

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]

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

The current sparse setting.

Returns: The current sparse setting.

◆ sparse() [2/2]

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

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://docs.mongodb.com/master/core/index-sparse/

◆ storage_options() [1/2]

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

Optionally used only in MongoDB 3.0.0 and higher.

Specifies the storage engine options for the index.

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.

◆ storage_options() [2/2]

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

Optionally used only in MongoDB 3.0.0 and higher.

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

Parameters

storage_options The storage engine options for the index.

◆ twod_bits_precision() [1/2]

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

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::options::index::twod_bits_precision ( std::uint8_t twod_bits_precision )

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]

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

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::options::index::twod_location_max ( double twod_location_max )

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]

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

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::options::index::twod_location_min ( double twod_location_min )

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]

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

The current twod_sphere_version setting.

Returns: The current twod_sphere_version.

◆ twod_sphere_version() [2/2]

index & mongocxx::options::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.

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]

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

The current unique setting.

Returns: The current unique.

◆ unique() [2/2]

index & mongocxx::options::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.

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://docs.mongodb.com/master/core/index-unique/

◆ version() [1/2]

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

The current index version.

Returns: The current index version.

◆ version() [2/2]

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

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]

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

The current weights setting.

Returns: The current weights.

◆ weights() [2/2]

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

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:

src/mongocxx/options/index.hpp

Classes

Public Member Functions

Detailed Description

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::document::view_or_value()

◆ partial_filter_expression() [1/2]

◆ partial_filter_expression() [2/2]

◆ sparse() [1/2]

◆ sparse() [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]