diff options
Diffstat (limited to 'src/backend/utils/adt/float.c')
| -rw-r--r-- | src/backend/utils/adt/float.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/backend/utils/adt/float.c b/src/backend/utils/adt/float.c index e3c84fd6c55..63b09a4ecac 100644 --- a/src/backend/utils/adt/float.c +++ b/src/backend/utils/adt/float.c @@ -23,6 +23,7 @@ #include "libpq/pqformat.h" #include "utils/array.h" #include "utils/builtins.h" +#include "utils/sortsupport.h" #ifndef M_PI @@ -936,6 +937,24 @@ btfloat4cmp(PG_FUNCTION_ARGS) PG_RETURN_INT32(float4_cmp_internal(arg1, arg2)); } +static int +btfloat4fastcmp(Datum x, Datum y, SortSupport ssup) +{ + float4 arg1 = DatumGetFloat4(x); + float4 arg2 = DatumGetFloat4(y); + + return float4_cmp_internal(arg1, arg2); +} + +Datum +btfloat4sortsupport(PG_FUNCTION_ARGS) +{ + SortSupport ssup = (SortSupport) PG_GETARG_POINTER(0); + + ssup->comparator = btfloat4fastcmp; + PG_RETURN_VOID(); +} + /* * float8{eq,ne,lt,le,gt,ge} - float8/float8 comparison operations */ @@ -1032,6 +1051,24 @@ btfloat8cmp(PG_FUNCTION_ARGS) PG_RETURN_INT32(float8_cmp_internal(arg1, arg2)); } +static int +btfloat8fastcmp(Datum x, Datum y, SortSupport ssup) +{ + float8 arg1 = DatumGetFloat8(x); + float8 arg2 = DatumGetFloat8(y); + + return float8_cmp_internal(arg1, arg2); +} + +Datum +btfloat8sortsupport(PG_FUNCTION_ARGS) +{ + SortSupport ssup = (SortSupport) PG_GETARG_POINTER(0); + + ssup->comparator = btfloat8fastcmp; + PG_RETURN_VOID(); +} + Datum btfloat48cmp(PG_FUNCTION_ARGS) { |