Re: pgsql: Include information on buffer usage during planning phase, in EX

Fujii Masao <masao(dot)fujii(at)oss(dot)nttdata(dot)com> writes:
> Attached is the patch that changes explain.c as follows (i.e., removes
> Buffers lines at all) to make it more stable.

> ln := regexp_replace(ln, '\m\d+\M', 'N', 'g');
> -- In sort output, the above won't match units-suffixed numbers
> ln := regexp_replace(ln, '\m\d+kB', 'NkB', 'g');
> - -- Text-mode buffers output varies depending on the system state
> - ln := regexp_replace(ln, '^( +Buffers: shared)( hit=N)?( read=N)?', '\1 [read]');
> + -- Ignore text-mode buffers output because it varies depending
> + -- on the system state
> + CONTINUE WHEN (ln ~ ' +Buffers: .*');
> return next ln;
> end loop;
> end;

Works for me.

regards, tom lane