diff options
Diffstat (limited to 'contrib/btree_gist/btree_oid.c')
-rw-r--r-- | contrib/btree_gist/btree_oid.c | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/contrib/btree_gist/btree_oid.c b/contrib/btree_gist/btree_oid.c index 9b7c546aeeb..3cc7d4245d4 100644 --- a/contrib/btree_gist/btree_oid.c +++ b/contrib/btree_gist/btree_oid.c @@ -23,7 +23,6 @@ PG_FUNCTION_INFO_V1(gbt_oid_consistent); PG_FUNCTION_INFO_V1(gbt_oid_distance); PG_FUNCTION_INFO_V1(gbt_oid_penalty); PG_FUNCTION_INFO_V1(gbt_oid_same); -PG_FUNCTION_INFO_V1(gbt_oid_sortsupport); static bool @@ -216,72 +215,3 @@ gbt_oid_same(PG_FUNCTION_ARGS) *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo); PG_RETURN_POINTER(result); } - -static int -gbt_oid_sort_build_cmp(Datum a, Datum b, SortSupport ssup) -{ - oidKEY *ia = (oidKEY *) DatumGetPointer(a); - oidKEY *ib = (oidKEY *) DatumGetPointer(b); - - /* for leaf items we expect lower == upper */ - Assert(ia->lower == ia->upper); - Assert(ib->lower == ib->upper); - - if (ia->lower == ib->lower) - return 0; - - return (ia->lower > ib->lower) ? 1 : -1; -} - -static Datum -gbt_oid_abbrev_convert(Datum original, SortSupport ssup) -{ - oidKEY *b1 = (oidKEY *) DatumGetPointer(original); - - return ObjectIdGetDatum(b1->lower); -} - -static int -gbt_oid_cmp_abbrev(Datum z1, Datum z2, SortSupport ssup) -{ - Oid a = DatumGetObjectId(z1); - Oid b = DatumGetObjectId(z2); - - if (a > b) - return 1; - else if (a < b) - return -1; - else - return 0; -} - -/* - * We never consider aborting the abbreviation. - */ -static bool -gbt_oid_abbrev_abort(int memtupcount, SortSupport ssup) -{ - return false; -} - -/* - * Sort support routine for fast GiST index build by sorting. - */ -Datum -gbt_oid_sortsupport(PG_FUNCTION_ARGS) -{ - SortSupport ssup = (SortSupport) PG_GETARG_POINTER(0); - - if (ssup->abbreviate) - { - ssup->comparator = gbt_oid_cmp_abbrev; - ssup->abbrev_converter = gbt_oid_abbrev_convert; - ssup->abbrev_abort = gbt_oid_abbrev_abort; - ssup->abbrev_full_comparator = gbt_oid_sort_build_cmp; - } - else - { - ssup->comparator = gbt_oid_sort_build_cmp; - } - PG_RETURN_VOID(); -} |