David Rowley writes:
> Attached is a small patch which improves the way get_base_rel_indexes()
> works.
> The current version creates a new bitmapset on each recursion level then
> bms_joins() to the one on the next level up each time. I understand that
> this will patch will have about a 0 net p
Attached is a small patch which improves the way get_base_rel_indexes()
works.
The current version creates a new bitmapset on each recursion level then
bms_joins() to the one on the next level up each time. I understand that
this will patch will have about a 0 net performance improvement, but I
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