Noel Grandin

(LibreOffice dev here) Most likely this is related to something choosing to copy bitmaps around in preference to using the metafile version of the data. Could be either GPaste or...

Yes, quite possibly GPaste needs to be taught that when "image support" is active, it should prefer vector formats (like metafile) over bitmap formats, to preserve as much information as...

We are a database, so it's natural to have multiple kinds of Row specialised for different tasks. SearchRow for example, needs to support "not searching for this" column entries. But...

If you want a memory compact representation then Value[] is probably the best

Yeah, we don't support that kind of metadata at all. What is your broader use-case for this?

> Saying that callable statements are rarely used in H2 _might_ be true (how would you know?), but it is certainly not the case for the JDBC applications I see....

If you mark the ALIAS as DETERMINISTIC I think we will cache the values it returns

We have basic index hints, see http://h2database.com/html/performance.html#database_performance_tuning

> Now I think that the only reliable solution is to detect unknown result types in queries. That might be trickier than it looks sometimes. Sometimes we can quite happily...

Sounds like a reasonable plan