Pgbench allows -f and -S combinations together where the doc says that -S
effectively uses the internal select-only script.

Is it okay to assume that -f is disregarded here? Or are they run in
round-robin fashion (although then, how does it know which read-only part
of my script to run?) or something else like that?

Effectively, I think it should raise NOTICE that -f is useless here.

For the future 9.6, scripts options are cumulatives, so -f & -S can be combined.

Indeed, for the <= 9.5 it seems that some options are silently ignores, when combining -S/-f, only the last one is kept, it should be warned about.


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