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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:15:05 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 12:15:05 +0000
commit46651ce6fe013220ed397add242004d764fc0153 (patch)
tree6e5299f990f88e60174a1d3ae6e48eedd2688b2b /contrib/btree_gist/btree_macaddr.c
parentInitial commit. (diff)
downloadpostgresql-14-46651ce6fe013220ed397add242004d764fc0153.tar.xz
postgresql-14-46651ce6fe013220ed397add242004d764fc0153.zip
Adding upstream version 14.5.upstream/14.5upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'contrib/btree_gist/btree_macaddr.c')
-rw-r--r--contrib/btree_gist/btree_macaddr.c197
1 files changed, 197 insertions, 0 deletions
diff --git a/contrib/btree_gist/btree_macaddr.c b/contrib/btree_gist/btree_macaddr.c
new file mode 100644
index 0000000..7f0e9e9
--- /dev/null
+++ b/contrib/btree_gist/btree_macaddr.c
@@ -0,0 +1,197 @@
+/*
+ * contrib/btree_gist/btree_macaddr.c
+ */
+#include "postgres.h"
+
+#include "btree_gist.h"
+#include "btree_utils_num.h"
+#include "utils/builtins.h"
+#include "utils/inet.h"
+
+typedef struct
+{
+ macaddr lower;
+ macaddr upper;
+ char pad[4]; /* make struct size = sizeof(gbtreekey16) */
+} macKEY;
+
+/*
+** OID ops
+*/
+PG_FUNCTION_INFO_V1(gbt_macad_compress);
+PG_FUNCTION_INFO_V1(gbt_macad_fetch);
+PG_FUNCTION_INFO_V1(gbt_macad_union);
+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);
+
+
+static bool
+gbt_macadgt(const void *a, const void *b, FmgrInfo *flinfo)
+{
+ return DatumGetBool(DirectFunctionCall2(macaddr_gt, PointerGetDatum(a), PointerGetDatum(b)));
+}
+static bool
+gbt_macadge(const void *a, const void *b, FmgrInfo *flinfo)
+{
+ return DatumGetBool(DirectFunctionCall2(macaddr_ge, PointerGetDatum(a), PointerGetDatum(b)));
+}
+
+static bool
+gbt_macadeq(const void *a, const void *b, FmgrInfo *flinfo)
+{
+ return DatumGetBool(DirectFunctionCall2(macaddr_eq, PointerGetDatum(a), PointerGetDatum(b)));
+}
+
+static bool
+gbt_macadle(const void *a, const void *b, FmgrInfo *flinfo)
+{
+ return DatumGetBool(DirectFunctionCall2(macaddr_le, PointerGetDatum(a), PointerGetDatum(b)));
+}
+
+static bool
+gbt_macadlt(const void *a, const void *b, FmgrInfo *flinfo)
+{
+ return DatumGetBool(DirectFunctionCall2(macaddr_lt, PointerGetDatum(a), PointerGetDatum(b)));
+}
+
+
+static int
+gbt_macadkey_cmp(const void *a, const void *b, FmgrInfo *flinfo)
+{
+ macKEY *ia = (macKEY *) (((const Nsrt *) a)->t);
+ macKEY *ib = (macKEY *) (((const Nsrt *) b)->t);
+ int res;
+
+ res = DatumGetInt32(DirectFunctionCall2(macaddr_cmp, MacaddrPGetDatum(&ia->lower), MacaddrPGetDatum(&ib->lower)));
+ if (res == 0)
+ return DatumGetInt32(DirectFunctionCall2(macaddr_cmp, MacaddrPGetDatum(&ia->upper), MacaddrPGetDatum(&ib->upper)));
+
+ return res;
+}
+
+
+static const gbtree_ninfo tinfo =
+{
+ gbt_t_macad,
+ sizeof(macaddr),
+ 16, /* sizeof(gbtreekey16) */
+ gbt_macadgt,
+ gbt_macadge,
+ gbt_macadeq,
+ gbt_macadle,
+ gbt_macadlt,
+ gbt_macadkey_cmp,
+ NULL
+};
+
+
+/**************************************************
+ * macaddr ops
+ **************************************************/
+
+
+
+static uint64
+mac_2_uint64(macaddr *m)
+{
+ unsigned char *mi = (unsigned char *) m;
+ uint64 res = 0;
+ int i;
+
+ for (i = 0; i < 6; i++)
+ res += (((uint64) mi[i]) << ((uint64) ((5 - i) * 8)));
+ return res;
+}
+
+
+
+Datum
+gbt_macad_compress(PG_FUNCTION_ARGS)
+{
+ GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+
+ PG_RETURN_POINTER(gbt_num_compress(entry, &tinfo));
+}
+
+Datum
+gbt_macad_fetch(PG_FUNCTION_ARGS)
+{
+ GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+
+ PG_RETURN_POINTER(gbt_num_fetch(entry, &tinfo));
+}
+
+Datum
+gbt_macad_consistent(PG_FUNCTION_ARGS)
+{
+ GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
+ macaddr *query = (macaddr *) PG_GETARG_POINTER(1);
+ StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
+
+ /* Oid subtype = PG_GETARG_OID(3); */
+ bool *recheck = (bool *) PG_GETARG_POINTER(4);
+ macKEY *kkk = (macKEY *) 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_macad_union(PG_FUNCTION_ARGS)
+{
+ GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
+ void *out = palloc0(sizeof(macKEY));
+
+ *(int *) PG_GETARG_POINTER(1) = sizeof(macKEY);
+ PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo, fcinfo->flinfo));
+}
+
+
+Datum
+gbt_macad_penalty(PG_FUNCTION_ARGS)
+{
+ macKEY *origentry = (macKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
+ macKEY *newentry = (macKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
+ float *result = (float *) PG_GETARG_POINTER(2);
+ uint64 iorg[2],
+ inew[2];
+
+ iorg[0] = mac_2_uint64(&origentry->lower);
+ iorg[1] = mac_2_uint64(&origentry->upper);
+ inew[0] = mac_2_uint64(&newentry->lower);
+ inew[1] = mac_2_uint64(&newentry->upper);
+
+ penalty_num(result, iorg[0], iorg[1], inew[0], inew[1]);
+
+ PG_RETURN_POINTER(result);
+
+}
+
+Datum
+gbt_macad_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_macad_same(PG_FUNCTION_ARGS)
+{
+ macKEY *b1 = (macKEY *) PG_GETARG_POINTER(0);
+ macKEY *b2 = (macKEY *) 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);
+}