diff options
Diffstat (limited to 'src/backend/utils/adt/timestamp.c')
| -rw-r--r-- | src/backend/utils/adt/timestamp.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/backend/utils/adt/timestamp.c b/src/backend/utils/adt/timestamp.c index ae36ff33285..2ba8d41284f 100644 --- a/src/backend/utils/adt/timestamp.c +++ b/src/backend/utils/adt/timestamp.c @@ -37,6 +37,7 @@ #include "utils/datetime.h" #include "utils/float.h" #include "utils/numeric.h" +#include "utils/sortsupport.h" /* * gcc's -ffast-math switch breaks routines that expect exact results from @@ -2155,6 +2156,7 @@ timestamp_cmp(PG_FUNCTION_ARGS) PG_RETURN_INT32(timestamp_cmp_internal(dt1, dt2)); } +#ifndef USE_FLOAT8_BYVAL /* note: this is used for timestamptz also */ static int timestamp_fastcmp(Datum x, Datum y, SortSupport ssup) @@ -2164,13 +2166,22 @@ timestamp_fastcmp(Datum x, Datum y, SortSupport ssup) return timestamp_cmp_internal(a, b); } +#endif Datum timestamp_sortsupport(PG_FUNCTION_ARGS) { SortSupport ssup = (SortSupport) PG_GETARG_POINTER(0); +#ifdef USE_FLOAT8_BYVAL + /* + * If this build has pass-by-value timestamps, then we can use a standard + * comparator function. + */ + ssup->comparator = ssup_datum_signed_cmp; +#else ssup->comparator = timestamp_fastcmp; +#endif PG_RETURN_VOID(); } |