Full text search in Entity Framework 6 using command interception
Background One of the main problems we encountered using Entity Framework was its lack of support for full text search. Our search function is based around a series of processors that attempt to match the incoming phrase against a set of patterns that we're expecting (10+). For example, there's one for dates and times, recent financial quarters as well as more domain specific ones. Everything is cached and so is really fast, except when it isn't: Here's the monitoring chart for our SQL DB in Azure That's a spike to 100% resource utilisation because we fall through to a phrase search as a last resort (which cannot be cached) - it's exceedingly rare but it still hurts. Before EF, the app used full text search and it was one of the casualties when the app was migrated to EF4 several years ago. The lack of full text search has been getting more and more painful as the amount of data has grown. We really needed full text search back... Command intercept...