Re: Tighten error control for OpenTransientFile/CloseTransientFile

On 2/28/19 9:33 PM, Michael Paquier wrote:
> Hi all,
>
> Joe's message here has reminded me that we have lacked a lot of error
> handling around CloseTransientFile():
> https://www.postgresql.org/message-id/c49b69ec-e2f7-ff33-4f17-0eaa4f2cef27@joeconway.com
>
> This has been mentioned by Alvaro a couple of months ago (cannot find
> the thread about that at quick glance), and I just forgot about it at
> that time.  Anyway, attached is a patch to do some cleanup for all
> that:
> - Switch OpenTransientFile to read-only where sufficient.
> - Add more error handling for CloseTransientFile
> A major take of this patch is to make sure that the new error messages
> generated have an elevel consistent with their neighbors.
>
> Just on time for this last CF.  Thoughts?

Seems like it would be better to modify the arguments to
CloseTransientFile() to include the filename being closed, errorlevel,
and fail_on_error or something similar. Then all the repeated ereport
stanzas could be eliminated.

Joe

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