mongo-cxx-driver | C++ Driver for MongoDB | Database library
kandi X-RAY | mongo-cxx-driver Summary
kandi X-RAY | mongo-cxx-driver Summary
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Trending Discussions on mongo-cxx-driver
QUESTION
I was installing mongo DB C++ driver on windows using this http://mongocxx.org/ . My aim is to write mongo dB code on Qt Creator using C++. so I am a beginner so the steps given in above link not in details . if anybody did this before please describe in simple manner...
edited: i was trying to build the driver file using mingw64 shown in the linkhttp://mongoc.org/libmongoc/current/installing.html thi shows error .
...ANSWER
Answered 2021-Aug-12 at 09:28You can tell CMake to generate standard makefiles instead by doing:
QUESTION
ANSWER
Answered 2021-Jul-28 at 13:50Try the section in http://mongocxx.org/mongocxx-v3/installation/linux/ that starts with
Instead of the -DCMAKE_PREFIX_PATH option, users must specify the libmongoc installation directory by using the -DLIBMONGOC_DIR and -DLIBBSON_DIR options:
specifically
QUESTION
I'm trying to install the mongo-c-driver
and mongo-cxx-driver
in a Docker image, but when I run my C++
program it throws a Segmentation fault. Any ideas? Valgrind says it's mongo's fault.
I have some IOT devices and in my own computer they run just fine.
I'm using:
ubuntu:focal
as base imagemongo-c-driver
version1.16.2
(also tried with1.17
and1.15
)mongo-cxx-driver
version3.5
(also tried with3.6
)- MongoDB server version
4.2.8
g++
version(Ubuntu 9.3.0-10ubuntu2) 9.3.0
Code:
...ANSWER
Answered 2020-Sep-29 at 13:18From Tutorial for mongocxx:
IMPORTANT: Before making any connections, you need to create one and only one instance of
mongocxx::instance
. This instance must exist for the entirety of your program.
So, you can add this as a static
member of your MongoDB
class:
header
QUESTION
I'm trying to build mongo-cxx-driver
on Windows; I'm following the instructions, but am getting errors:
ANSWER
Answered 2020-Sep-18 at 19:16The answer seems to be in the installation guide, I missed a step:
For building with Visual Studio 2017 (without a C++17 polyfill), it is necessary to configure with an additional option, /Zc:__cplusplus to opt into the correct definition of __cplusplus (problem described here):
'C:\Program Files (x86)\CMake\bin\cmake.exe' ..
-G "Visual Studio 15 2017 Win64"
-DCMAKE_CXX_STANDARD=17
-DCMAKE_CXX_FLAGS="/Zc:__cplusplus"
-DCMAKE_PREFIX_PATH=C:\mongo-c-driver
-DCMAKE_INSTALL_PREFIX=C:\mongo-cxx-driver \
I added the "/Zc:__cplusplus" flag as required and it compiled fine!
QUESTION
I'm trying to get a windows x64 C++ project working with the latest mongocxx driver using Visual Studio 2019. I installed the driver libraries using vcpkg:
vcpkg install mongo-cxx-driver[boost]
In VS 2019 I created a new console app and inserted the example code from the mongo driver page into main(). I built the app and ran it; everything works great. Then I noticed that it built as a win 32 app and switched it over to x64. Now the project won't build b/c it can't find the header files. Specifically (1rst error only...the others are similar)
Severity Code Description Project File Line Suppression State Error C1083 Cannot open include file: 'bsoncxx/json.hpp': No such file or directory
What do I need to do to make it work on the x64 platform?
...ANSWER
Answered 2020-Sep-03 at 13:28As I suspected, it was something I just didn't know to do. From Neumann-A on the vcpkg github site:
vcpkg install mongo-cxx-driver[boost]:x64-windows
or
vcpkg install mongo-cxx-driver[boost] --triplet x64-windows
or
set VCPKG_DEFAULT_TRIPLET=x64-windows vcpkg install mongo-cxx-driver[boost]
QUESTION
I am working with mongocxx 3.6.0 driver, I try to store and receive bytes from gridfs.
I am able to run the example code in https://github.com/mongodb/mongo-cxx-driver/blob/releases/stable/examples/mongocxx/gridfs.cpp, but I want to search and get suitable file.
When I examine the documentation http://mongocxx.org/api/current/classmongocxx_1_1gridfs_1_1bucket.html#aea1a02a75eb98a67788b94402ff90ba9, I am doing this with the id or filename but how to get informations in proper format.
...ANSWER
Answered 2020-Aug-24 at 08:26I found the answer
QUESTION
The following simple code exhibits different behaviour on mongo 4.2.6 and 4.0
...ANSWER
Answered 2020-May-28 at 08:14We've been able to verify that this is a bug in the mongocxx driver. It has been documented here: https://jira.mongodb.org/browse/CXX-2028
QUESTION
os: Windows 10
compiler: MinGW w64 8.1.0 i686
mongo-c-driver: 1.16.2
mongo-cxx-driver: commit 4629521 of branch releases/v3.5
Compiled with the options:
...ANSWER
Answered 2020-May-03 at 20:49The answer is that the mongodb-cxx driver for MinGW is not supported: https://developer.mongodb.com/community/forums/t/undefined-reference-to-bsoncxx-when-try-to-compile/2896/4?u=alexxanderx
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