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rethinkdb-traits
Advanced tools
A library to compose rethinkdb queries with NodeJS.
This is not an ORM. It's a library to organize your queries. It does not assume anything about relations.
It does create table on definition, and indexes as well. It makes it easier to perform queries, in a modelish way, without having a reference to the connection.
npm i -S rethinkdb-traits
const config = {
db: 'test',
user: 'test',
password: ''
};
// Connect, and get 'traits' function back
const traits = require('rethinkdb-traits')(config);
// traits for model 'group'
const groupTraits = {
byName: function (rql,name) {
return rql.filter({ name });
},
withPeople: function (rql) {
const $r = this.$r;
return rql.merge(function(group) {
return group.merge({
people: $r.table('people').getAll(group('id'), { index: 'groupId' });
});
})
},
// you can chain and reuse 'before' and 'after' functions
after: {
'byName,withPeople': [
function (rql) {
return rql.coerceTo('array');
}
]
}
};
// 'traits' returns promise, so wrap 'em up
const promises = [
traits('people', {} , {
name: {}, // index
groupId: {} // index
}),
traits('groups', groupTraits)
];
// run the lot
Promise.all(promises).then( (result) => {
const [ Person, Group ] = result;
Group.create([{
name: 'Biggies group'
},{
name: 'Tupacs group'
}]).then( (res) => {
return Person.create([{
name: 'Biggie Smalles',
groupId: res.generated_keys[0]
},{
name: 'Faith Evans',
groupId: res.generated_keys[0]
},{
name: 'Tupac Shakur',
groupId: res.generated_keys[1]
},{
name: 'Mama',
groupId: res.generated_keys[1]
}]);
}).then( () => {
return Group.withPeople();
}).then( (groups) => {
console.log(groups);
return Promise.all([Person.delete(),Group.delete()]);
}).then( () => {
traits.close();
});
});
Should return:
[
{
"id": "f670cfe1-72d4-4567-9728-f242a18bdca7",
"name": "Biggies group",
"people": [
{
"groupId": "f670cfe1-72d4-4567-9728-f242a18bdca7",
"id": "cb623871-b115-4da7-b3ff-193169795345",
"name": "Faith Evans"
},
{
"groupId": "f670cfe1-72d4-4567-9728-f242a18bdca7",
"id": "f6b27765-f5ec-41e2-8f92-b0e9939ffb77",
"name": "Biggie Smalles"
}
]
},
{
"id": "fb53dc48-b7f2-4dcc-beae-a35c70cd210e",
"name": "Tupacs group",
"people": [
{
"groupId": "fb53dc48-b7f2-4dcc-beae-a35c70cd210e",
"id": "43746012-de73-4f73-a60e-16d1f7369e8d",
"name": "Mama"
},
{
"groupId": "fb53dc48-b7f2-4dcc-beae-a35c70cd210e",
"id": "efb34795-5148-4b39-ac4d-533a206a5138",
"name": "Tupac Shakur"
}
]
}
]
FAQs
A RethinkDB query composer.
The npm package rethinkdb-traits receives a total of 1 weekly downloads. As such, rethinkdb-traits popularity was classified as not popular.
We found that rethinkdb-traits demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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