can i perform validations on an uploader mounted column

[fugee ohu]

I had to remove a validation on the :name column because my PictureUploader which uses Carrierwave is mounted on that column

 mount_uploader :name, PictureUploader

This causes validation

validates :name, presence: true

to cause rows in pictures to be invalid for blank :name even though the name, just a filename, is in the database for that column

[Walter Lee Davis]

CarrierWave overloads the accessor for the attachment column to respond with the entire uploader model object. This is normal for CarrierWave.

There are other attachment systems (I'm fond of Shrine) that use a different, less-surprising approach. In Shrine, you would have a column called picture_data and an attachment called picture. That way you can keep the difference between db column and virtual object separate.

Walter

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[fugee ohu]

 If the uploader's mounted on that column do I still have to validate it ?

[Walter Lee Davis]

I haven't used Carrierwave in a number of years, but I think that it implements some validators of its own. You should investigate the documentation for CW.

Walter