Magento: change applied attribute product types

Sometimes it is necessary to change the product type(s) an attribute is applied to in Magento. A common example is, that you designed and implemented an attribute for a configurable product, because you thought its real world value is equal over all child manifestations. But after a while you realize, that there are differences that you […]

Magento change attribute scope in setup script

This code snippet shows how to change attribute scope in a setup script:

And the config.xml:

 

Create database tables in setup scripts

The following snippet shows, how to create database tables in a setup script. It uses no direct queries against the database but the an object oriented way Magento does such things. (This snipped assumes  that your resource setup model is derived from Mage_Core_Model_Resource_Setup)

As you can see, it is also possible to add indexes and […]

Install attribute in entity main table

Sometimes it is useful to add some fields to the attribute main table (f.e.: IDs from external systems like a middleware or a PIM). In the following example you can see how to add ID-fields to the category entity. Therefore I created a setupscript as an instance of Mage_Catalog_Model_Resource_Setup. Setup-model declaration in config.xml:

Setup-script: […]

Add image product attribute

This is how to get a new image attribute to a given attribute set inside of a setup script (add image attribute for products):