storages::mongo::options Namespace Reference

Detailed Description

Collection operation options.

Classes
class	AllowPartialResults
	Suppresses errors on querying a sharded collection with unavailable shards. More...
class	ArrayFilters
	Specifies an array of filter documents that determine which array elements to modify for an update operation on an array field. More...
class	Comment
	Sets a comment for the operation, which would be visible in profile data. More...
class	Hint
	Specifies an index to use for the query. More...
class	Limit
	Specifies the number of documents to request from the server. More...
class	MaxServerTime
	Specifies the server-side time limit for the operation. More...
class	Projection
	Selects fields to be returned. More...
class	ReadPreference
	Read preference. More...
class	RetryDuplicateKey
	Enables automatic one-time retry of duplicate key errors. More...
class	ReturnNew
	Specifies that FindAndModify should return the new version of an object. More...
class	Skip
	Specifies the number of documents to skip. More...
class	Sort
	Sorts the results. More...
class	SuppressServerExceptions
	Disables exception throw on server errors, should be checked manually in WriteResult. More...
class	Tailable
	Enables tailable cursor, which block at the end of capped collections. More...
class	Unordered
	Disables ordering on bulk operations causing them to continue after an error. More...
class	Upsert
	Enables insertion of a new document when update selector matches nothing. More...
class	WriteConcern
	Write concern. More...

Enumerations
enum class	ReadConcern {   kLocal ,   kMajority ,   kLinearizable ,   kAvailable }
	Read concern. More...
enum class	ForceCountImpl {   kAggregate ,   kCmd }
	Selects count implementation to use: new aggregation-based or old cmd-based. More...

Enumeration Type Documentation

ForceCountImpl

enum class storages::mongo::options::ForceCountImpl

strong

Selects count implementation to use: new aggregation-based or old cmd-based.

Definition at line 263 of file options.hpp.

ReadConcern

enum class storages::mongo::options::ReadConcern

strong

Read concern.

See also

https://docs.mongodb.org/manual/reference/readConcern/

Enumerator
kLocal	no replication checks, default level
kMajority	return data replicated to a majority of RS members
kLinearizable	waits for all running majority writes to finish before read
kAvailable	no replication checks, may return orphaned documents if sharded; since 3.6

Definition at line 65 of file options.hpp.