Node.js Nodejs Sequelize sqlite3没有这样的表
我的模型/index.js文件:Node.js Nodejs Sequelize sqlite3没有这样的表,node.js,sqlite,sequelize.js,Node.js,Sqlite,Sequelize.js,我的模型/index.js文件: 'use strict'; const fs = require('fs'); const path = require('path'); const {Sequelize, Op, Model, DataTypes} = require("sequelize"); const basename = path.basename(__filename); const env = process.env.NODE_ENV || 'develop
'use strict';
const fs = require('fs');
const path = require('path');
const {Sequelize, Op, Model, DataTypes} = require("sequelize");
const basename = path.basename(__filename);
const env = process.env.NODE_ENV || 'development';
const config = require(__dirname + '/../config/config.json')[env];
const db = {};
let sequelize;
if (config.use_env_variable) {
sequelize = new Sequelize(process.env[config.use_env_variable], config);
} else {
sequelize = new Sequelize(config.database, config.username, config.password, config);
}
fs.readdirSync(__dirname)
.filter(file => {
return (file.indexOf('.') !== 0) && (file !== basename) && (file.slice(-3) === '.js');
})
.forEach(file => {
const model = require(path.join(__dirname, file))(sequelize, Sequelize.DataTypes);
db[model.name] = model;
});
Object.keys(db).forEach(modelName => {
if (db[modelName].associate) {
db[modelName].associate(db);
}
});
db.sequelize = sequelize;
db.Sequelize = Sequelize;
db.sequelize.define('Category', {
name: {type: String, allowNull: false},
url: {type: String, allowNull: false, unique: true},
}, {
freezeTableName: true,
timestamps: true
}
);
db.sequelize.sync({ force: true }); # it should create table
module.exports = db.sequelize.models;
console.log(db.sequelize.models)#输出:{Category:Category}
如果我对模型进行任何查询,它会抛出一个错误:
未处理的PromisejectionWarning:SequelizeDatabaseError:SQLITE_错误:没有这样的表:类别
如何在数据库中插入模型?您需要创建一个迁移脚本来创建表
shell$ sequelize migration:create --name create-category-table
您可以发布一个示例查询吗?
console.log(db.sequelize.models)#输出:{Category:Category}
no meaning类别表
存在于数据库中,您可以使用SQLManager检查sqlite文件。这是与sqlite一起工作的,并且有许多表
'use strict';
module.exports = {
up: async (queryInterface, Sequelize) => {
await queryInterface.createTable('Categories', {
id: {
allowNull: false,
autoIncrement: true,
primaryKey: true,
type: Sequelize.INTEGER
},
name: {
type: Sequelize.STRING
},
createdAt: {
allowNull: false,
type: Sequelize.DATE
},
updatedAt: {
allowNull: false,
type: Sequelize.DATE
}
});
},
down: async (queryInterface, Sequelize) => {
await queryInterface.dropTable('Categories');
}
};
shell$ sequelize db:migrate