sequelize-sharding

desc

sequelize Model hooks for sharded-table that like [tablename]_yyyy_mm...( table should be created before)

use sequelize original hooks as a "AOP" to change target table name

user => user_2018_01,user_2018_02, ... ,user_2018_11,user_2018_12

start

• npm install sequelize

• npm install [e-mail]:cclient/sequelize-sharding.git or add dependencies sequelize-sharding":[e-mail]:cclient/sequelize-sharding.git then npm install

original sequelize

 
const Sequelize = require('sequelize');
 
const sequelize = new Sequelize('database', 'username', 'password', {
    host: 'localhost',
    dialect: 'mysql',
    pool: {
        max: 5,
        min: 0,
        acquire: 30000,
        idle: 10000
    },
    // SQLite only
    storage: 'path/to/database.sqlite',
    // http://docs.sequelizejs.com/manual/tutorial/querying.html#operators
    operatorsAliases: false
});
 
const User = sequelize.define('user', {
    id: { type: Sequelize.INTEGER, autoIncrement: true, primaryKey: true },
    name: Sequelize.STRING,
    birthday: Sequelize.DATE
}, { freezeTableName: true, createdAt: false, updatedAt: false, deletedAt: false });
 
 
let user = {
        name: "china",
        birthday: new Date("2018-10-01")
    }
 
 

hook

javascript

 
const sequelizeSharding = require('sequelize-sharding');
sequelizeSharding.useCustomTableName(sequelize, User, "birthday", true)
User.insertOrUpdate(user)
 

typescript

 
import { useCustomTableName} from 'sequelize-sharding';
useCustomTableName(sequelize, User, "birthday", true)
User.insertOrUpdate(user)
 

custom function to generate table's postfix like

 
useCustomTableName(sequelize, User, null, false, function(value) {
    return getYYMM(new Date())
})
 

more detail see test/test.js