On Fri, Jun 05, 2020 at 06:03:59PM +1200, Thomas Munro wrote: > I didn't change BufFileWrite() to be void, to be friendly to existing > callers outside the tree (if there are any), though I removed all the > code that checks the return code. We can make it void later.
Missing one entry in AppendStringToManifest(). It sounds right to not
change the signature of the routine on back-branches to any ABI
breakages. It think that it could change on HEAD.
Anyway, why are we sure that it is fine to not complain even if
BufFileWrite() does a partial write? fwrite() is mentioned at the top
of the thread, but why is that OK?
> For the future: it feels a bit like we're missing a one line way to
> say "read this many bytes and error out if you run out".
- ereport(ERROR,
- (errcode_for_file_access(),
- errmsg("could not write block %ld of temporary file:
- %m",
- blknum)));
- }
+ elog(ERROR, "could not seek block %ld temporary file", blknum);
You mean "in temporary file" in the new message, no?
+ ereport(ERROR,
+ (errcode_for_file_access(),
+ errmsg("could not write to \"%s\" : %m",
+ FilePathName(thisfile))));
Nit: "could not write [to] file \"%s\": %m" is a more common error
string.
--
Michael
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