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I'm just starting out with Sequelize in Node.js and finding the documentation really lacking. I have a 'db' module in which I connect to the database via Sequelize, and this reads in configuration from an application-wide config file at ./config.json relative to the root of my project. This is a nested configuration and extremely unlikely to be structured in the way that Sequelize wants a config file for the CLI.
Now I'm trying to use migrations and the documentation makes reference to a "config file". I know I can set the path to that config file, but what the heck do I put in it? It's not documented anywhere (that I've seen).
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A Migration in Sequelize is a javascript file which exports two functions, up and down , that dictates how to perform the migration and undo it. You define those functions manually, but you don't call them manually; they will be called automatically by the CLI.
Sequelize-cli is a very useful command-line interface for creating models, configurations and migration files to databases. It's integrated with Sequelize middleware and operates with many relational databases such as PostgreSQL, MySQL, MSSQL, Sqlite.
This is the case because, when the where option is used inside an include , Sequelize automatically sets the required option to true . This means that, instead of an OUTER JOIN , an INNER JOIN is done, returning only the parent models with at least one matching children.
There are more things you could put into a config file:
var sequelize = new Sequelize(config.database.dbName, config.database.master.user, config.database.master.password, { dialect: config.database.protocol, port: config.database.port, host: config.database.master.host, /* You could setup replication as well replication: { read: [ { host: config.database.master.host, username: config.database.master.host, password: config.database.master.password }, { host: config.database.master.host, username: config.database.master.host, password: config.database.master.password } ], write: { host: config.database.master.host, username: config.database.master.host, password: config.database.master.password } */ }, pool: { maxConnections: config.database.pool.maxConnections, maxIdleTime: config.database.pool.maxIdleTime }, logging: false, define: { underscored: false, freezeTableName: false, syncOnAssociation: true, charset: 'utf8', collate: 'utf8_general_ci', classMethods: {method1: function() {}}, instanceMethods: {method2: function() {}}, timestamps: true schema: "prefix" } }), If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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