“UPDATE DI SEKTREKSI” Kode Jawaban

Buat atau perbarui dalam sekuelisasi

async function updateOrCreate (model, where, newItem) {
    // First try to find the record
   const foundItem = await model.findOne({where});
   if (!foundItem) {
        // Item not found, create a new one
        const item = await model.create(newItem)
        return  {item, created: true};
    }
    // Found an item, update it
    const item = await model.update(newItem, {where});
    return {item, created: false};
}
Hungry Hippopotamus

Perbarui instance dalam sekuelisasi

const jane = await User.create({ name: "Jane" });
jane.favoriteColor = "blue"
await jane.update({ name: "Ada" })
// The database now has "Ada" for name, but still has the default "green" for favorite color
await jane.save()
// Now the database has "Ada" for name and "blue" for favorite color
Anies

Perbarui data secara seimbang

const objectToUpdate = {
title: 'Hello World',
description: 'Hello World'
}

models.Locale.update(objectToUpdate, { where: { id: 2}})
Repulsive Raccoon

UPDATE DI SEKTREKSI

Your_model.update({ field1 : 'foo' },{ where : { id : 1 }});
Your_model.update({ field1 : 'bar' },{ where : { id : 4 }});
Fierce Ferret

Perbarui data secara seimbang


const objectToUpdate = {
title: 'Hello World',
description: 'Hello World'
}

models.Locale.findAll({ where: { title: 'Hello World'}}).then((result) => {
   if(result){
   // Result is array because we have used findAll. We can use findOne as well if you want one row and update that.
        result[0].set(objectToUpdate);
        result[0].save(); // This is a promise
}
})
Repulsive Raccoon

Perbarui kolom dengan Find Sequelize

Project.find({ where: { title: 'aProject' } })
  .on('success', function (project) {
    // Check if record exists in db
    if (project) {
      project.update({
        title: 'a very different title now'
      })
      .success(function () {})
    }
  })
johannb75

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