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Diffstat (limited to 'src/backend/utils/adt/timestamp.c')
| -rw-r--r-- | src/backend/utils/adt/timestamp.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/backend/utils/adt/timestamp.c b/src/backend/utils/adt/timestamp.c index 45e70029e53..450dcd47277 100644 --- a/src/backend/utils/adt/timestamp.c +++ b/src/backend/utils/adt/timestamp.c @@ -1830,6 +1830,25 @@ timestamp_cmp(PG_FUNCTION_ARGS) PG_RETURN_INT32(timestamp_cmp_internal(dt1, dt2)); } +/* note: this is used for timestamptz also */ +static int +timestamp_fastcmp(Datum x, Datum y, SortSupport ssup) +{ + Timestamp a = DatumGetTimestamp(x); + Timestamp b = DatumGetTimestamp(y); + + return timestamp_cmp_internal(a, b); +} + +Datum +timestamp_sortsupport(PG_FUNCTION_ARGS) +{ + SortSupport ssup = (SortSupport) PG_GETARG_POINTER(0); + + ssup->comparator = timestamp_fastcmp; + PG_RETURN_VOID(); +} + Datum timestamp_hash(PG_FUNCTION_ARGS) { |