parse.com row updates javascript

Question

I have class and know row ID, try update this row how it's showed in this topic

https://parse.com/questions/updating-a-field-without-retrieving-the-object-first

    var Point = Parse.Object.extend("items");
    var point = new Point();
    point.id = "L8bc5utrVD";

    // Set a new value on quantity
    point.set("title", "new title");

    // Save
    point.save(null, {
      success: function(point) {
        // Saved successfully.
      },
      error: function(point, error) {
        // The save failed.
        // error is a Parse.Error with an error code and description.
        console.log('Failed to create new object, with error code: ' + error.message);
      }
});

but get error "Failed to create new object, with error code: have this item"

DaveH · Accepted Answer · 2015-01-07 13:50:35Z

1

When point is created with new, it is not yet in sync. Fetching the model before saving it will resolve the issue.

Using promises:

var Point = Parse.Object.extend("items");
var point = new Point();
point.id = "L8bc5utrVD";

point.fetch() // returns a promise
.then(function(){
    point.set("title", "new title");
    return point.save(); // returns a promise
})
.then(successCallback, failCallback);

answered Jan 7, 2015 at 13:50

DaveH

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Comments

VLlll · Accepted Answer · 2015-01-30 10:34:16Z

0

Thanks, but problem was in Parse.Cloud.beforeSave function

answered Jan 30, 2015 at 10:34

VLlll

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