[sr-dev] [kamailio/kamailio] Function sql_xquery returns 1 for empty query result. (Issue #3163)

[Daniel-Constantin Mierla]

The C code returns 2 when there is no result coming back from the db server. The docs are misleading or are not sync'ed with the code. There is a db result coming back in this case which includes the columns, just no rows.

For now, you can check if the `$xavp(ra)` is null or not.

We have to make the docs and code coherent in a way or another.


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