I run into a bug recently with SQL Server 2012. I believe this exists in SQL Server 2008 as well. When a TVP is passed to a SQL function/procedure/script through an CLR function, the second execution will cause error which will be written to SQL Server log — Process x generated fatal exception c0000005 EXCEPTION_ACCESS_VIOLATION. SQL Server is terminating this process. It has been filed to Microsoft Connect. If you think it’s important, please visit this bug on Microsoft Connect and vote it as important. Please download the code from here.

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