John,
You are supposed to free resources used to produce the rows before srf_return_next();
I can (and must) free up the resources used to produce one single row at that time yes, but I might have resources that is common to all rows. Let's assume that I have a file open for instance. I read one row at a time from that file. I need to know when to close the file.
Regards, Thomas Hallgren
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