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-rw-r--r--contrib/btree_gist/btree_macaddr8.c197
1 files changed, 197 insertions, 0 deletions
diff --git a/contrib/btree_gist/btree_macaddr8.c b/contrib/btree_gist/btree_macaddr8.c
new file mode 100644
index 0000000..ab4bca5
--- /dev/null
+++ b/contrib/btree_gist/btree_macaddr8.c
@@ -0,0 +1,197 @@
+/*
+ * contrib/btree_gist/btree_macaddr8.c
+ */
+#include "postgres.h"
+
+#include "btree_gist.h"
+#include "btree_utils_num.h"
+#include "utils/builtins.h"
+#include "utils/inet.h"
+
+typedef struct
+{
+ macaddr8 lower;
+ macaddr8 upper;
+ /* make struct size = sizeof(gbtreekey16) */
+} mac8KEY;
+
+/*
+** OID ops
+*/
+PG_FUNCTION_INFO_V1(gbt_macad8_compress);
+PG_FUNCTION_INFO_V1(gbt_macad8_fetch);
+PG_FUNCTION_INFO_V1(gbt_macad8_union);
+PG_FUNCTION_INFO_V1(gbt_macad8_picksplit);
+PG_FUNCTION_INFO_V1(gbt_macad8_consistent);
+PG_FUNCTION_INFO_V1(gbt_macad8_penalty);
+PG_FUNCTION_INFO_V1(gbt_macad8_same);
+
+
+static bool
+gbt_macad8gt(const void *a, const void *b, FmgrInfo *flinfo)
+{
+ return DatumGetBool(DirectFunctionCall2(macaddr8_gt, PointerGetDatum(a), PointerGetDatum(b)));
+}
+static bool
+gbt_macad8ge(const void *a, const void *b, FmgrInfo *flinfo)
+{
+ return DatumGetBool(DirectFunctionCall2(macaddr8_ge, PointerGetDatum(a), PointerGetDatum(b)));
+}
+
+static bool
+gbt_macad8eq(const void *a, const void *b, FmgrInfo *flinfo)
+{
+ return DatumGetBool(DirectFunctionCall2(macaddr8_eq, PointerGetDatum(a), PointerGetDatum(b)));
+}
+
+static bool
+gbt_macad8le(const void *a, const void *b, FmgrInfo *flinfo)
+{
+ return DatumGetBool(DirectFunctionCall2(macaddr8_le, PointerGetDatum(a), PointerGetDatum(b)));
+}
+
+static bool
+gbt_macad8lt(const void *a, const void *b, FmgrInfo *flinfo)
+{
+ return DatumGetBool(DirectFunctionCall2(macaddr8_lt, PointerGetDatum(a), PointerGetDatum(b)));
+}
+
+
+static int
+gbt_macad8key_cmp(const void *a, const void *b, FmgrInfo *flinfo)
+{
+ mac8KEY *ia = (mac8KEY *) (((const Nsrt *) a)->t);
+ mac8KEY *ib = (mac8KEY *) (((const Nsrt *) b)->t);
+ int res;
+
+ res = DatumGetInt32(DirectFunctionCall2(macaddr8_cmp, Macaddr8PGetDatum(&ia->lower), Macaddr8PGetDatum(&ib->lower)));
+ if (res == 0)
+ return DatumGetInt32(DirectFunctionCall2(macaddr8_cmp, Macaddr8PGetDatum(&ia->upper), Macaddr8PGetDatum(&ib->upper)));
+
+ return res;
+}
+
+
+static const gbtree_ninfo tinfo =
+{
+ gbt_t_macad8,
+ sizeof(macaddr8),
+ 16, /* sizeof(gbtreekey16) */
+ gbt_macad8gt,
+ gbt_macad8ge,
+ gbt_macad8eq,
+ gbt_macad8le,
+ gbt_macad8lt,
+ gbt_macad8key_cmp,
+ NULL
+};
+
+
+/**************************************************
+ * macaddr ops
+ **************************************************/
+
+
+
+static uint64
+mac8_2_uint64(macaddr8 *m)
+{
+ unsigned char *mi = (unsigned char *) m;
+ uint64 res = 0;
+ int i;
+
+ for (i = 0; i < 8; i++)
+ res += (((uint64) mi[i]) << ((uint64) ((7 - i) * 8)));
+ return res;
+}
+
+
+
+Datum
+gbt_macad8_compress(PG_FUNCTION_ARGS)
+{
+ GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+
+ PG_RETURN_POINTER(gbt_num_compress(entry, &tinfo));
+}
+
+Datum
+gbt_macad8_fetch(PG_FUNCTION_ARGS)
+{
+ GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+
+ PG_RETURN_POINTER(gbt_num_fetch(entry, &tinfo));
+}
+
+Datum
+gbt_macad8_consistent(PG_FUNCTION_ARGS)
+{
+ GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+ macaddr8 *query = (macaddr8 *) PG_GETARG_POINTER(1);
+ StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
+
+ /* Oid subtype = PG_GETARG_OID(3); */
+ bool *recheck = (bool *) PG_GETARG_POINTER(4);
+ mac8KEY *kkk = (mac8KEY *) DatumGetPointer(entry->key);
+ GBT_NUMKEY_R key;
+
+ /* All cases served by this function are exact */
+ *recheck = false;
+
+ key.lower = (GBT_NUMKEY *) &kkk->lower;
+ key.upper = (GBT_NUMKEY *) &kkk->upper;
+
+ PG_RETURN_BOOL(gbt_num_consistent(&key, (void *) query, &strategy,
+ GIST_LEAF(entry), &tinfo, fcinfo->flinfo));
+}
+
+
+Datum
+gbt_macad8_union(PG_FUNCTION_ARGS)
+{
+ GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
+ void *out = palloc0(sizeof(mac8KEY));
+
+ *(int *) PG_GETARG_POINTER(1) = sizeof(mac8KEY);
+ PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo, fcinfo->flinfo));
+}
+
+
+Datum
+gbt_macad8_penalty(PG_FUNCTION_ARGS)
+{
+ mac8KEY *origentry = (mac8KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
+ mac8KEY *newentry = (mac8KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
+ float *result = (float *) PG_GETARG_POINTER(2);
+ uint64 iorg[2],
+ inew[2];
+
+ iorg[0] = mac8_2_uint64(&origentry->lower);
+ iorg[1] = mac8_2_uint64(&origentry->upper);
+ inew[0] = mac8_2_uint64(&newentry->lower);
+ inew[1] = mac8_2_uint64(&newentry->upper);
+
+ penalty_num(result, iorg[0], iorg[1], inew[0], inew[1]);
+
+ PG_RETURN_POINTER(result);
+
+}
+
+Datum
+gbt_macad8_picksplit(PG_FUNCTION_ARGS)
+{
+ PG_RETURN_POINTER(gbt_num_picksplit((GistEntryVector *) PG_GETARG_POINTER(0),
+ (GIST_SPLITVEC *) PG_GETARG_POINTER(1),
+ &tinfo, fcinfo->flinfo));
+}
+
+Datum
+gbt_macad8_same(PG_FUNCTION_ARGS)
+{
+ mac8KEY *b1 = (mac8KEY *) PG_GETARG_POINTER(0);
+ mac8KEY *b2 = (mac8KEY *) PG_GETARG_POINTER(1);
+ bool *result = (bool *) PG_GETARG_POINTER(2);
+
+ *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
+ PG_RETURN_POINTER(result);
+}