Finally it is unclear how to add such a feature with minimal impact on the
source code.
It is a question if this is possible without more changes or without
compatibility break :( Probably not. All output should be centralized.
Yes and no.
For some things we could have "void report_sometype(file, name, data)"
which append "data," under csv but "name = data\n" under text, but this
does not work for nested data (eg -r -b/-f), which would rather require
some json/yaml/whatever format which can embed a hierarchy.
What I usually do is to put each pgbench run output in a separate file and
write a small shell/perl/python script to process these, possibly
generating CSV on the way.
The goal of my proposal was a reduction of necessity to write auxiliary
scripts. The produced document should not be "nice", but should be very
easy to import it to some analytical tools.
Yes, I understood that. I tend to use CSV for that, import results in pg
or sqlite and analyse with SQL.
There is an analogy with Postgres's CSV logs. It is the same. We can see
the result of pgbench like some log.
Sure, but this works for simple flat data, not changing structures.
--
Fabien.
