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

Fujii Masao <masao.fujii@oss.nttdata.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