mongo~kalinon
mongo.cr
This library provides binding for MongoDB C Driver. The goal is to provide a driver to access MongoDB.
Status
Release
Requirements
- Crystal language version 0.34.0 and higher.
- libmongoc version 1.16.2+
- libbson verion 1.16.2+
On Mac OSX use homebrew
to install the required libraries:
$ brew install mongo-c
On Linux you need to install libmongoc-1.16-2
and libbson-1.16-2
from your package manager or from source:
wget https://github.com/mongodb/mongo-c-driver/releases/download/1.16.2/mongo-c-driver-1.16.2.tar.gz
tar -zxvf mongo-c-driver-1.16.2.tar.gz && cd mongo-c-driver-1.16.2/
cmake -DENABLE_AUTOMATIC_INIT_AND_CLEANUP=OFF
sudo make install
See the official guide.
Installation
Add this to your application's shard.yml
:
mongo:
github: datanoise/mongo.cr
branch: master
Usage
require "mongo"
client = Mongo::Client.new "mongodb://<user>:<password>@<host>:<port>/<db_name>"
db = client["db_name"]
collection = db["collection_name"]
collection.insert({ name: "James Bond", age: 37 })
collection.find({ age: { "$gt": 30 }}) do |doc|
puts typeof(doc) # => BSON
puts doc
end
Use compile time flag -Duse_mongo_static
to use libbson-static-1.0
and libmongoc-static-1.0
if you encounter the following error:
/root/.cache/crystal/crystal-run-spec.tmp: error while loading shared libraries: libmongoc-1.0.so.0: cannot open shared object file: No such file or directory
License
MIT clause - see LICENSE for more details.