shopware/shopware — pull request #203 by andrewisplinghoff (2014-12-01 15:53:04+00:00)
Title: Add SQL filter event to the check if an article is already in the basket

With this, plugins can influence how the basket determines equality of articles when adding a new article. This filter event is needed by plugins that extend the article model in a way so that it is not enough anymore to just check if order numbers are equal.