On Fri, May 01, 2020 at 12:04:56PM +0900, Fujii Masao wrote: > I applied cosmetic changes to the patch (attached). Barring any objection, > I will push this patch (also back-patch to v10 where wait-event for timeline > file was added).
Sorry for arriving late to the party. I have one tiny comment.
> + pgstat_report_wait_start(WAIT_EVENT_TIMELINE_HISTORY_READ);
> + res = fgets(fline, sizeof(fline), fd);
> + pgstat_report_wait_end();
> + if (ferror(fd))
> + ereport(ERROR,
> + (errcode_for_file_access(),
> + errmsg("could not read file \"%s\":
> %m", path)));
> + if (res == NULL)
> + break;
It seems to me that there is no point to check ferror() if fgets()
does not return NULL, no?
--
Michael
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