Re: pg_stats queries versus per-database encodings

Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> writes:
> Tom Lane wrote:
>> We could attack this by including source database's encoding in the
>> shared-memory entries, and performing a conversion on the fly when
>> reading out the data. However, what happens if the conversion fails?

> The most useful behavior would be to replace the untranslatable
> characters with "?". I'm not sure how invasive the changes to the
> conversion functions would be to support that.

I agree, but it looks like fairly massive changes would be needed,
starting with redefining the API for conversion functions to add
an error/noerror boolean. Not something that I care to tackle
right now. Maybe we shall just have to live with it for another
release.

regards, tom lane