I was recently working on a task that required me to add the rating column and few custom columns to the search result.
Basically this is the step we need to follow
- Create Metadata property for each of the column that we want to show in search results.
- Associate them with Crawled Property.
- Add Columns to the Fetched Properties of the web part.
- Modify the XSL to include these new columns.
The post that made it possible