Hi, The incorrect comment:
```
/*
* Initial size of memtuples array. We're trying to select this size so that
* array doesn't exceed ALLOCSET_SEPARATE_THRESHOLD and so that the overhead of
* allocation might possibly be lowered. However, we don't consider array sizes
* less than 1024.
*
*/
#define INITIAL_MEMTUPSIZE Max(1024, \
ALLOCSET_SEPARATE_THRESHOLD / sizeof(SortTuple) + 1)
```
The "doesn't exceed" are contrary to the macro. Maybe "slightly exceed"?
Attach a small patch. (also remove the empty line in this comment)
--
Regards,
ChangAo Chen
v1-0001-Fix-incorrect-comments-in-tuplesort.c.patch
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