#include <userver/storages/mongo/operations.hpp>
Returns approximate number of documents in a collection.
Definition at line 50 of file operations.hpp.
Public Member Functions | |
| CountApprox (const CountApprox &) | |
| CountApprox (CountApprox &&) noexcept | |
| CountApprox & | operator= (const CountApprox &) | 
| CountApprox & | operator= (CountApprox &&) noexcept | 
| void | SetOption (const options::ReadPreference &) | 
| void | SetOption (options::ReadPreference::Mode) | 
| void | SetOption (options::ReadConcern) | 
| void | SetOption (options::Skip) | 
| void | SetOption (options::Limit) | 
| void | SetOption (const options::MaxServerTime &) |