If one uses libpq functions such as PQfname, should one free the returned
What I'm really asking is, are you getting a pointer into something
internal to the PGresult structure, which is only valid as long as the
PGresult structure is valid, and which must be copied if it is to exist
after that; or, are you getting a copy of that memory, which is yours to
do with as you please (and your responsibility)?
This is explicitly answered in the documentation for PQgetvalue (it's a
pointer into the PGresult data), so I'm assuming thatt he same applies for
PQfname. Please let me know if this is a foolish assumption.
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