I maintain an online property rental application. The main focus of the UI is the search engine, which I'd now like to improve by allowing filtering of the search results shown on some criteria, but provide a count of the number of properties that meet that criteria.
For example, we're looking all properties, no criteria. I'd like to show something like:
...and so on. My question is simple - What's the best way to implement this - Do I literally have to execute a count for the WHERE criteria with the filter criteria tagged on, or is there some clever trick that I'm not aware of? I'd rather not count in the application as I'd like to plan for the day we have up to 100k properties (