diff options
Diffstat (limited to 'contrib/btree_gist/btree_time.c')
| -rw-r--r-- | contrib/btree_gist/btree_time.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/contrib/btree_gist/btree_time.c b/contrib/btree_gist/btree_time.c index fd8774a2f08..c021f675142 100644 --- a/contrib/btree_gist/btree_time.c +++ b/contrib/btree_gist/btree_time.c @@ -28,6 +28,7 @@ PG_FUNCTION_INFO_V1(gbt_time_distance); PG_FUNCTION_INFO_V1(gbt_timetz_consistent); PG_FUNCTION_INFO_V1(gbt_time_penalty); PG_FUNCTION_INFO_V1(gbt_time_same); +PG_FUNCTION_INFO_V1(gbt_time_sortsupport); #ifdef USE_FLOAT8_BYVAL @@ -332,3 +333,29 @@ gbt_time_same(PG_FUNCTION_ARGS) *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo); PG_RETURN_POINTER(result); } + +static int +gbt_time_sort_build_cmp(Datum a, Datum b, SortSupport ssup) +{ + timeKEY *ia = (timeKEY *) DatumGetPointer(a); + timeKEY *ib = (timeKEY *) DatumGetPointer(b); + + return DatumGetInt32(DirectFunctionCall2(time_cmp, + TimeADTGetDatumFast(ia->lower), + TimeADTGetDatumFast(ib->lower))); +} + +/* + * Sort support routine for fast GiST index build by sorting. + */ +Datum +gbt_time_sortsupport(PG_FUNCTION_ARGS) +{ + SortSupport ssup = (SortSupport) PG_GETARG_POINTER(0); + + ssup->comparator = gbt_time_sort_build_cmp; + ssup->abbrev_converter = NULL; + ssup->abbrev_abort = NULL; + ssup->abbrev_full_comparator = NULL; + PG_RETURN_VOID(); +} |