Hello Tom and Richard,
03.09.2025 11:08, Richard Guo wrote:
Yeah, "is there any other instance of this problem?" is the $64
question here. I was initially thinking v17 is sufficient, but
the possibility that some extension might be vulnerable makes
me lean to back-patching further. Your call ...
I've decided to backpatch this fix to pre-v17 branches: using a root
that lacks a valid simple_rel_array in a cost estimation function
seems like a pitfall waiting to happen. I've included an explanation
of this backpatch decision in the commit message and have pushed the
fix (the test case is not included in pre-v17 branches though).
Thank you for fixing that anomaly!
Best regards,
Alexander