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sequelize

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const { Op } = require("sequelize");
Post.findAll({
  where: {
    [Op.and]: [{ a: 5 }, { b: 6 }],            // (a = 5) AND (b = 6)
    [Op.or]: [{ a: 5 }, { b: 6 }],             // (a = 5) OR (b = 6)
    someAttribute: {
      // Basics
      [Op.eq]: 3,                              // = 3
      [Op.ne]: 20,                             // != 20
      [Op.is]: null,                           // IS NULL
      [Op.not]: true,                          // IS NOT TRUE
      [Op.or]: [5, 6],                         // (someAttribute = 5) OR (someAttribute = 6)

      // Using dialect specific column identifiers (PG in the following example):
      [Op.col]: 'user.organization_id',        // = "user"."organization_id"

      // Number comparisons
      [Op.gt]: 6,                              // > 6
      [Op.gte]: 6,                             // >= 6
      [Op.lt]: 10,                             // < 10
      [Op.lte]: 10,                            // <= 10
      [Op.between]: [6, 10],                   // BETWEEN 6 AND 10
      [Op.notBetween]: [11, 15],               // NOT BETWEEN 11 AND 15

      // Other operators

      [Op.all]: sequelize.literal('SELECT 1'), // > ALL (SELECT 1)

      [Op.in]: [1, 2],                         // IN [1, 2]
      [Op.notIn]: [1, 2],                      // NOT IN [1, 2]

      [Op.like]: '%hat',                       // LIKE '%hat'
      [Op.notLike]: '%hat',                    // NOT LIKE '%hat'
      [Op.startsWith]: 'hat',                  // LIKE 'hat%'
      [Op.endsWith]: 'hat',                    // LIKE '%hat'
      [Op.substring]: 'hat',                   // LIKE '%hat%'
      [Op.iLike]: '%hat',                      // ILIKE '%hat' (case insensitive) (PG only)
      [Op.notILike]: '%hat',                   // NOT ILIKE '%hat'  (PG only)
      [Op.regexp]: '^[h|a|t]',                 // REGEXP/~ '^[h|a|t]' (MySQL/PG only)
      [Op.notRegexp]: '^[h|a|t]',              // NOT REGEXP/!~ '^[h|a|t]' (MySQL/PG only)
      [Op.iRegexp]: '^[h|a|t]',                // ~* '^[h|a|t]' (PG only)
      [Op.notIRegexp]: '^[h|a|t]',             // !~* '^[h|a|t]' (PG only)

      [Op.any]: [2, 3],                        // ANY ARRAY[2, 3]::INTEGER (PG only)

      // In Postgres, Op.like/Op.iLike/Op.notLike can be combined to Op.any:
      [Op.like]: { [Op.any]: ['cat', 'hat'] }  // LIKE ANY ARRAY['cat', 'hat']

      // There are more postgres-only range operators, see below
    }
  }
});
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3.75
4
Rekka-auto 140 points 

                                    $ npm install --save sequelize

3.75 (4 Votes)
0
4.33
3
Mike Pone 110 points 

                                    $ npm install --save sequelize # This will install v5
$ npm install --save-dev sequelize-cli
 
# And one of the following: 
$ npm install --save pg pg-hstore # Postgres 
$ npm install --save mysql2
$ npm install --save mariadb
$ npm install --save sqlite3
$ npm install --save tedious # Microsoft SQL Server 

//Generate Models Auto with sequelize-auto
$ npm install mysql2 -g
$ npm install -g sequelize-auto-v2

//Comand to generate models from database
sequelize-auto -o &quot;./models&quot; -d schema -h localhost -u user -p 3306 -x password -e dialect

Exemple:
sequelize-auto -o &quot;./models&quot; -d nomeDoShema -h localhost -u usuarioDaConexao -p 3306 -x senhaDaConexao -e mysql

4.33 (3 Votes)
0
3.75
8
Strange Man 75 points 

                                    const { Sequelize, Model, DataTypes } = require('sequelize');
const sequelize = new Sequelize('sqlite::memory:');

class User extends Model {}
User.init({
  username: DataTypes.STRING,
  birthday: DataTypes.DATE
}, { sequelize, modelName: 'user' });

sequelize.sync()
  .then(() =&gt; User.create({
    username: 'janedoe',
    birthday: new Date(1980, 6, 20)
  }))
  .then(jane =&gt; {
    console.log(jane.toJSON());
  });

3.75 (8 Votes)
0
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