diff options
Diffstat (limited to 'contrib/btree_gist/btree_macaddr.c')
-rw-r--r-- | contrib/btree_gist/btree_macaddr.c | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/contrib/btree_gist/btree_macaddr.c b/contrib/btree_gist/btree_macaddr.c index 805148575d7..7f0e9e9c912 100644 --- a/contrib/btree_gist/btree_macaddr.c +++ b/contrib/btree_gist/btree_macaddr.c @@ -25,7 +25,6 @@ PG_FUNCTION_INFO_V1(gbt_macad_picksplit); PG_FUNCTION_INFO_V1(gbt_macad_consistent); PG_FUNCTION_INFO_V1(gbt_macad_penalty); PG_FUNCTION_INFO_V1(gbt_macad_same); -PG_FUNCTION_INFO_V1(gbt_macad_sortsupport); static bool @@ -196,80 +195,3 @@ gbt_macad_same(PG_FUNCTION_ARGS) *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo); PG_RETURN_POINTER(result); } - -static int -gbt_macad_sort_build_cmp(Datum a, Datum b, SortSupport ssup) -{ - macKEY *ma = (macKEY *) DatumGetPointer(a); - macKEY *mb = (macKEY *) DatumGetPointer(b); - uint64 ia = mac_2_uint64(&ma->lower); - uint64 ib = mac_2_uint64(&mb->lower); - - /* for leaf items we expect lower == upper */ - - if (ia == ib) - return 0; - - return (ia > ib) ? 1 : -1; -} - -static Datum -gbt_macad_abbrev_convert(Datum original, SortSupport ssup) -{ - macKEY *b1 = (macKEY *) DatumGetPointer(original); - uint64 z = mac_2_uint64(&b1->lower); - -#if SIZEOF_DATUM == 8 - return UInt64GetDatum(z); -#else - /* use the high 32 bits of the 48-bit integer */ - return UInt32GetDatum(z >> 16); -#endif -} - -static int -gbt_macad_cmp_abbrev(Datum z1, Datum z2, SortSupport ssup) -{ -#if SIZEOF_DATUM == 8 - uint64 a = DatumGetUInt64(z1); - uint64 b = DatumGetUInt64(z2); -#else - uint32 a = DatumGetUInt32(z1); - uint32 b = DatumGetUInt32(z2); -#endif - - if (a > b) - return 1; - else if (a < b) - return -1; - else - return 0; -} - -static bool -gbt_macad_abbrev_abort(int memtupcount, SortSupport ssup) -{ - return false; -} - -/* - * Sort support routine for fast GiST index build by sorting. - */ -Datum -gbt_macad_sortsupport(PG_FUNCTION_ARGS) -{ - SortSupport ssup = (SortSupport) PG_GETARG_POINTER(0); - - if (ssup->abbreviate) - { - ssup->comparator = gbt_macad_cmp_abbrev; - ssup->abbrev_converter = gbt_macad_abbrev_convert; - ssup->abbrev_abort = gbt_macad_abbrev_abort; - ssup->abbrev_full_comparator = gbt_macad_sort_build_cmp; - } - else - { - ssup->comparator = gbt_macad_sort_build_cmp; - } - PG_RETURN_VOID(); -} |