diff options
Diffstat (limited to 'src/include/utils/sortsupport.h')
| -rw-r--r-- | src/include/utils/sortsupport.h | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/src/include/utils/sortsupport.h b/src/include/utils/sortsupport.h index 6e8444b4fff..a7cacfa715d 100644 --- a/src/include/utils/sortsupport.h +++ b/src/include/utils/sortsupport.h @@ -96,8 +96,7 @@ typedef struct SortSupportData * Comparator function has the same API as the traditional btree * comparison function, ie, return <0, 0, or >0 according as x is less * than, equal to, or greater than y. Note that x and y are guaranteed - * not null, and there is no way to return null either. Do not return - * INT_MIN, as callers are allowed to negate the result before using it. + * not null, and there is no way to return null either. * * This may be either the authoritative comparator, or the abbreviated * comparator. Core code may switch this over the initial preference of @@ -224,7 +223,7 @@ ApplySortComparator(Datum datum1, bool isNull1, { compare = (*ssup->comparator) (datum1, datum2, ssup); if (ssup->ssup_reverse) - compare = -compare; + INVERT_COMPARE_RESULT(compare); } return compare; @@ -262,7 +261,7 @@ ApplySortAbbrevFullComparator(Datum datum1, bool isNull1, { compare = (*ssup->abbrev_full_comparator) (datum1, datum2, ssup); if (ssup->ssup_reverse) - compare = -compare; + INVERT_COMPARE_RESULT(compare); } return compare; |