[sr-dev] [kamailio/kamailio] strange result from avp_db_query (#792)

[mtryfoss]

Kamailio version 4.4.2.

Consider this logic:
$avp(s:testvar) = 'test';
avp_db_query("select value from test where id = 1","$avp(s:testvar)");

I don't know if this is intended behaviour. If row exists but "value" field is empty (not NULL), $avp(s:testvar) still seems to contain 'test' as value after the query. I think it should be ''. 

This can be confusing.


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