redis-plus-plus | Redis client written in C++ | Command Line Interface library
kandi X-RAY | redis-plus-plus Summary
kandi X-RAY | redis-plus-plus Summary
This is a C++ client library for Redis. It's based on hiredis, and is compatible with C++ 17, C++ 14, and C++ 11. NOTE: I'm not a native speaker. So if the documentation is unclear, please feel free to open an issue or pull request. I'll response ASAP.
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redis-plus-plus Key Features
redis-plus-plus Examples and Code Snippets
Community Discussions
Trending Discussions on redis-plus-plus
QUESTION
I'm using the redis-plus-plus C++ redis client to store data in a redis cache and I would like to know how to store an std::vector> object.
From the provided examples in the git repository there isn't a similar example. If there is another C++ client that can simplify the storage and retrieval of such a data structure may you also suggest.
...ANSWER
Answered 2021-Sep-14 at 19:48There are a few ways.
You could serialize this and store a big string.
You could use lists. For the double-nesting thing, you'd have to get clever with the keys.
What I would do would depend on how I have to access it. But you'll have to code it yourself, somehow.
QUESTION
When I vcpkg install simdjson , it returns :
ANSWER
Answered 2021-Mar-01 at 09:01Unfortunately, redis-plus-plus doesn't supply CMake config files. Someone should open an issue with upstream. It's honestly pretty unacceptable to not support find_package for your library. Thus, thanks to the authors' negligence, you will have to create an imported target for their library yourself. Here's an example CMakeLists.txt, step by step. We'll start with the standard boilerplate:
QUESTION
I try to build a redis cluster follow this cluster-tutorial
I try to use this tutorial(RedLock) to write codeRed Lock
Got the following error ： terminate called after throwing an instance of 'sw::redis::MovedError'
...ANSWER
Answered 2020-Nov-24 at 09:17Redlock does not work with Redis Cluster. Instead, it works with Single Redis instances. You should run your code with N dependent Redis instances, NOT a Redis Cluster.
terminate called after throwing an instance of 'sw::redis::MovedError'
Seems that you're using redis-plus-plus. You got this error, because you're trying to send commands to Redis Cluster with a Redis object.
QUESTION
In my docker-compose file, redis is exposed at 6379, and reader is a gcc container.
ANSWER
Answered 2020-Nov-09 at 21:03127.0.0.1 is a loop-back address. A loop-back address connects back to the container that makes the connection. If the C++ program runs in the reader container, then redis isn't running in the same container. You need to connect to the redis container:
QUESTION
In C, we use hiredis to store data in the form of binary by using %b specifier in redisCommand function, how can we do this in c++ using redis-plus-plus or any other alternative?
...ANSWER
Answered 2020-Jun-14 at 02:53There are two ways:
- You can save the binary data into a
std::stringobject, which is binary safe, and then pass thestd::stringobject to redis-plus-plus's API. - If you already have a pointer to the binary data, and the length of the data, you can construct a
StringViewobject, and pass it to redis-plus-plus's API.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install redis-plus-plus
redis-plus-plus is built with CMAKE. If hiredis is installed at non-default location, you should use CMAKE_PREFIX_PATH to specify the installation path of hiredis. By default, redis-plus-plus is installed at /usr/local. However, you can use CMAKE_INSTALL_PREFIX to install redis-plus-plus at non-default location. Since version 1.3.0, by default, redis-plus-plus is built with the -std=c++17 standard. So that we can use the std::string_view and std::optional features. However, it can also be built with the -std=c++11 or -std=c++14 standard, and in that case, we have our own simple implementation of std::string_view and std::optional. In order to explicitly specify c++ standard, you can use the following cmake flag: -DREDIS_PLUS_PLUS_CXX_STANDARD=11. NOTE: You should build redis-plus-plus and your application with the same standard, e.g. if you build redis-plus-plus with C++17 standard, you MUST also build your application code with C++17 standard. When compiling redis-plus-plus, it also compiles a test program, which might take a while. However, you can disable building test with the following cmake option: -DREDIS_PLUS_PLUS_BUILD_TEST=OFF. By default, redis-plus-plus builds both a static library and a shared library. If you only want to build one of them, you can disable the other with -DREDIS_PLUS_PLUS_BUILD_STATIC=OFF or -DREDIS_PLUS_PLUS_BUILD_SHARED=OFF. redis-plus-plus builds static library with -fPIC option, i.e. Position Independent Code, by default. However, you can disable it with -DREDIS_PLUS_PLUS_BUILD_STATIC_WITH_PIC=OFF. Now hiredis has Windows support, and since Visual Studio 2017, Visual Studio has built-in support for CMake. So redis-plus-plus also supports Windows platform now. It has been fully tested with Visual Studio 2017 and later on Win 10. I'm not familiar with Visual Studio environment, and the following doc might not be accurate. If you're familiar with the Windows platform, feel free to update this doc on how to install redis-plus-plus on Windows.
CMake support in Visual Studio
CMake projects in Visual Studio
CMakeSettings.json schema reference
Open a project from a GitHub repo
Since 1.3.0, redis-puls-plus is built with C++17 by default, and you should also set your application code to be built with C++17. If you still want to build the redis-plus-plus with C++11, you can set the REDIS_PLUS_PLUS_CXX_STANDARD cmake option to 11.
TLS/SSL support has not been tested on Windows yet.
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