Is it possible to get the execution plan of a LINQ to SQL or ADO.NET Query programatically for displaying in debug information? If so, how?
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Is it possible to get the execution plan of a LINQ to SQL or ADO.NET Query programatically for displaying in debug information? If so, how?
Sure, there are 2 things you will need.
A custom implementation of
DbConnection,DbCommandandDbDataReader. You can use that to intercept all the SQL sent to the DB. You basically set it up so you have a layer that logs all the SQL that is run. (we plan to open source something in this area in the next few months, so stay tuned)A way to display an make sense of the data, which happens to be open source here: https://data.stackexchange.com/stackoverflow/s/345/how-unsung-am-i (see the include execution plan option)
Another approach is to do the diagnostics after the fact by looking at the proc cache. sys.dm_exec_query_stats contains cached plan handles which you can expand.