Becker, Holger пишет:
Hi,
it's definitive a bug and based on some type mixing within the join
optimizer.
I'll fix it with one of the next release (for detailed version info see
http://www.sapdb.org/webpts?wptsdetail=yes&ErrorType=0&ErrorID=1141684)
As far as I can see this bug influences only the explain output not the
decision
of the optimizer so it should not be critical for your application.
Thank you for reporting it.
Kind regards
Holger
It the simple case this bug influences only the explain output but in
complex joins have really big problems. I had to add checks for empty
temporary tables.
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