joomla/joomla-cms — pull request #4687 by gunjanpatel (2014-10-15 18:22:45+00:00)
Title: [fix #3087] Allow NULL for #__content columns

+ Allow null value for, `#__content` table `images`, `urls`, `attribs` and `metadata` columns.
+ Please follow testing guidelines from here https://github.com/joomla/joomla-cms/issues/3087