diff options
Diffstat (limited to 'src/backend/access/gist/gistproc.c')
| -rw-r--r-- | src/backend/access/gist/gistproc.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/src/backend/access/gist/gistproc.c b/src/backend/access/gist/gistproc.c index 392163cb229..f2ec6cbe2e5 100644 --- a/src/backend/access/gist/gistproc.c +++ b/src/backend/access/gist/gistproc.c @@ -1707,8 +1707,8 @@ gist_bbox_zorder_cmp(Datum a, Datum b, SortSupport ssup) * Abbreviated version of Z-order comparison * * The abbreviated format is a Z-order value computed from the two 32-bit - * floats. If SIZEOF_DATUM == 8, the 64-bit Z-order value fits fully in the - * abbreviated Datum, otherwise use its most significant bits. + * floats. Now that sizeof(Datum) is always 8, the 64-bit Z-order value + * always fits fully in the abbreviated Datum. */ static Datum gist_bbox_zorder_abbrev_convert(Datum original, SortSupport ssup) @@ -1718,11 +1718,7 @@ gist_bbox_zorder_abbrev_convert(Datum original, SortSupport ssup) z = point_zorder_internal(p->x, p->y); -#if SIZEOF_DATUM == 8 - return (Datum) z; -#else - return (Datum) (z >> 32); -#endif + return UInt64GetDatum(z); } /* |