diff options
Diffstat (limited to 'contrib/btree_gist/btree_uuid.c')
| -rw-r--r-- | contrib/btree_gist/btree_uuid.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/contrib/btree_gist/btree_uuid.c b/contrib/btree_gist/btree_uuid.c index b81875979a3..c802bf95a90 100644 --- a/contrib/btree_gist/btree_uuid.c +++ b/contrib/btree_gist/btree_uuid.c @@ -25,6 +25,7 @@ PG_FUNCTION_INFO_V1(gbt_uuid_picksplit); PG_FUNCTION_INFO_V1(gbt_uuid_consistent); PG_FUNCTION_INFO_V1(gbt_uuid_penalty); PG_FUNCTION_INFO_V1(gbt_uuid_same); +PG_FUNCTION_INFO_V1(gbt_uuid_sortsupport); static int @@ -233,3 +234,27 @@ gbt_uuid_same(PG_FUNCTION_ARGS) *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo); PG_RETURN_POINTER(result); } + +static int +gbt_uuid_sort_build_cmp(Datum a, Datum b, SortSupport ssup) +{ + uuidKEY *ua = (uuidKEY *) DatumGetPointer(a); + uuidKEY *ub = (uuidKEY *) DatumGetPointer(b); + + return uuid_internal_cmp(&ua->lower, &ub->lower); +} + +/* + * Sort support routine for fast GiST index build by sorting. + */ +Datum +gbt_uuid_sortsupport(PG_FUNCTION_ARGS) +{ + SortSupport ssup = (SortSupport) PG_GETARG_POINTER(0); + + ssup->comparator = gbt_uuid_sort_build_cmp; + ssup->abbrev_converter = NULL; + ssup->abbrev_abort = NULL; + ssup->abbrev_full_comparator = NULL; + PG_RETURN_VOID(); +} |