On 2021-Feb-03, tsunakawa.ta...@fujitsu.com wrote: > From: 'Alvaro Herrera' <alvhe...@alvh.no-ip.org> > > > + conn->fe_msg->num_fields != DEF_FE_MSGFIELDS) > > > The rationale for that second condition is this: if the memory allocated > > is the initial size, we don't free memory, because it would just be > > allocated of the same size next time, and that size is not very big, so > > it's not a big deal if we just let it be, so that it is reused if we > > call PQtrace() again later. However, if the allocated size is larger > > than default, then it is possible that some previous tracing run has > > enlarged the trace struct to a very large amount of memory, and we don't > > want to leave that in place. > > Ah, understood. In that case, num_fields should be max_fields.
Oh, of course. -- Álvaro Herrera 39°49'30"S 73°17'W "Just treat us the way you want to be treated + some extra allowance for ignorance." (Michael Brusser)
