The Code Page
A series of development tips and code examples by Gabriel McAdams
Feb 03

Often, T-SQL developers will ask if there is a way to access some kind of a call stack at runtime.  Either the full call stack or simply the previous calling procedure.  Some uses for this would be to debug a procedure, or to restrict users from updating a table unless it was done through a particular stored procedure.

As of SQL Server 2008, no feature exists.  While searching the web for such a feature, I came across a feature request from 2006 by Erland Sommarskog.  The feature has not yet been added, so we’ll just have to make do with workarounds.  In this tip, I will show you how to make your own callstack using CONTEXT_INFO().

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