On Fri, Nov 6, 2015 at 6:50 PM, Nelson, Erik - 2 < erik.l.nelson at bankofamerica.com> wrote:
> I have a user-defined function something like > > void quarter_sqlite3(sqlite3_context *context, int argc, sqlite3_value > **argv); > > for each sqlite3_value being passed in, it would sometimes be helpful to > have the associated field (if any) that the value is associated with. > > Is there any way to retrieve that? > An idea came to mind, but i'm not sure if it's usable for your case (it's only potentially useful if the queries are static, not entered by end users): UDFs are variadic, so you could pass an optional 2nd parameter with any information as a string to the final parameter, e.g.: select quarter(t.a, 't.a'), quarter(4,'four') from t; -- ----- stephan beal http://wanderinghorse.net/home/stephan/ http://gplus.to/sgbeal "Freedom is sloppy. But since tyranny's the only guaranteed byproduct of those who insist on a perfect world, freedom will have to do." -- Bigby Wolf
