PostgreSQL Source Code git master
btree_macaddr8.c
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1/*
2 * contrib/btree_gist/btree_macaddr8.c
3 */
4#include "postgres.h"
5
6#include "btree_gist.h"
7#include "btree_utils_num.h"
8#include "utils/fmgrprotos.h"
9#include "utils/inet.h"
10#include "utils/sortsupport.h"
11
12typedef struct
13{
16 /* make struct size = sizeof(gbtreekey16) */
17} mac8KEY;
18
19/* GiST support functions */
28
29static bool
30gbt_macad8gt(const void *a, const void *b, FmgrInfo *flinfo)
31{
33}
34static bool
35gbt_macad8ge(const void *a, const void *b, FmgrInfo *flinfo)
36{
38}
39
40static bool
41gbt_macad8eq(const void *a, const void *b, FmgrInfo *flinfo)
42{
44}
45
46static bool
47gbt_macad8le(const void *a, const void *b, FmgrInfo *flinfo)
48{
50}
51
52static bool
53gbt_macad8lt(const void *a, const void *b, FmgrInfo *flinfo)
54{
56}
57
58
59static int
60gbt_macad8key_cmp(const void *a, const void *b, FmgrInfo *flinfo)
61{
62 mac8KEY *ia = (mac8KEY *) (((const Nsrt *) a)->t);
63 mac8KEY *ib = (mac8KEY *) (((const Nsrt *) b)->t);
64 int res;
65
67 if (res == 0)
69
70 return res;
71}
72
73
74static const gbtree_ninfo tinfo =
75{
77 sizeof(macaddr8),
78 16, /* sizeof(gbtreekey16) */
85 NULL
86};
87
88
89/**************************************************
90 * GiST support functions
91 **************************************************/
92
93static uint64
95{
96 unsigned char *mi = (unsigned char *) m;
97 uint64 res = 0;
98 int i;
99
100 for (i = 0; i < 8; i++)
101 res += (((uint64) mi[i]) << ((uint64) ((7 - i) * 8)));
102 return res;
103}
104
105Datum
107{
108 GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
109
111}
112
113Datum
115{
116 GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
117
119}
120
121Datum
123{
124 GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
125 macaddr8 *query = (macaddr8 *) PG_GETARG_POINTER(1);
127
128 /* Oid subtype = PG_GETARG_OID(3); */
129 bool *recheck = (bool *) PG_GETARG_POINTER(4);
130 mac8KEY *kkk = (mac8KEY *) DatumGetPointer(entry->key);
132
133 /* All cases served by this function are exact */
134 *recheck = false;
135
136 key.lower = (GBT_NUMKEY *) &kkk->lower;
137 key.upper = (GBT_NUMKEY *) &kkk->upper;
138
139 PG_RETURN_BOOL(gbt_num_consistent(&key, query, &strategy,
140 GIST_LEAF(entry), &tinfo, fcinfo->flinfo));
141}
142
143Datum
145{
147 void *out = palloc0(sizeof(mac8KEY));
148
149 *(int *) PG_GETARG_POINTER(1) = sizeof(mac8KEY);
150 PG_RETURN_POINTER(gbt_num_union(out, entryvec, &tinfo, fcinfo->flinfo));
151}
152
153Datum
155{
156 mac8KEY *origentry = (mac8KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
158 float *result = (float *) PG_GETARG_POINTER(2);
159 uint64 iorg[2],
160 inew[2];
161
162 iorg[0] = mac8_2_uint64(&origentry->lower);
163 iorg[1] = mac8_2_uint64(&origentry->upper);
164 inew[0] = mac8_2_uint64(&newentry->lower);
165 inew[1] = mac8_2_uint64(&newentry->upper);
166
167 penalty_num(result, iorg[0], iorg[1], inew[0], inew[1]);
168
169 PG_RETURN_POINTER(result);
170}
171
172Datum
174{
177 &tinfo, fcinfo->flinfo));
178}
179
180Datum
182{
183 mac8KEY *b1 = (mac8KEY *) PG_GETARG_POINTER(0);
184 mac8KEY *b2 = (mac8KEY *) PG_GETARG_POINTER(1);
185 bool *result = (bool *) PG_GETARG_POINTER(2);
186
187 *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
188 PG_RETURN_POINTER(result);
189}
190
191static int
193{
194 mac8KEY *arg1 = (mac8KEY *) DatumGetPointer(x);
195 mac8KEY *arg2 = (mac8KEY *) DatumGetPointer(y);
196
197 /* for leaf items we expect lower == upper, so only compare lower */
199 Macaddr8PGetDatum(&arg1->lower),
200 Macaddr8PGetDatum(&arg2->lower)));
201}
202
203Datum
205{
207
209 ssup->ssup_extra = NULL;
210
212}
@ gbt_t_macad8
Definition: btree_gist.h:30
static int gbt_macad8key_cmp(const void *a, const void *b, FmgrInfo *flinfo)
PG_FUNCTION_INFO_V1(gbt_macad8_compress)
static bool gbt_macad8lt(const void *a, const void *b, FmgrInfo *flinfo)
Datum gbt_macad8_consistent(PG_FUNCTION_ARGS)
Datum gbt_macad8_union(PG_FUNCTION_ARGS)
static bool gbt_macad8eq(const void *a, const void *b, FmgrInfo *flinfo)
static bool gbt_macad8le(const void *a, const void *b, FmgrInfo *flinfo)
Datum gbt_macad8_picksplit(PG_FUNCTION_ARGS)
Datum gbt_macad8_same(PG_FUNCTION_ARGS)
static bool gbt_macad8gt(const void *a, const void *b, FmgrInfo *flinfo)
Datum gbt_macad8_penalty(PG_FUNCTION_ARGS)
static const gbtree_ninfo tinfo
Datum gbt_macad8_compress(PG_FUNCTION_ARGS)
static int gbt_macaddr8_ssup_cmp(Datum x, Datum y, SortSupport ssup)
Datum gbt_macad8_sortsupport(PG_FUNCTION_ARGS)
static uint64 mac8_2_uint64(macaddr8 *m)
Datum gbt_macad8_fetch(PG_FUNCTION_ARGS)
static bool gbt_macad8ge(const void *a, const void *b, FmgrInfo *flinfo)
GISTENTRY * gbt_num_compress(GISTENTRY *entry, const gbtree_ninfo *tinfo)
bool gbt_num_consistent(const GBT_NUMKEY_R *key, const void *query, const StrategyNumber *strategy, bool is_leaf, const gbtree_ninfo *tinfo, FmgrInfo *flinfo)
bool gbt_num_same(const GBT_NUMKEY *a, const GBT_NUMKEY *b, const gbtree_ninfo *tinfo, FmgrInfo *flinfo)
GISTENTRY * gbt_num_fetch(GISTENTRY *entry, const gbtree_ninfo *tinfo)
GIST_SPLITVEC * gbt_num_picksplit(const GistEntryVector *entryvec, GIST_SPLITVEC *v, const gbtree_ninfo *tinfo, FmgrInfo *flinfo)
void * gbt_num_union(GBT_NUMKEY *out, const GistEntryVector *entryvec, const gbtree_ninfo *tinfo, FmgrInfo *flinfo)
#define penalty_num(result, olower, oupper, nlower, nupper)
char GBT_NUMKEY
uint64_t uint64
Definition: c.h:503
#define PG_RETURN_VOID()
Definition: fmgr.h:349
#define DirectFunctionCall2(func, arg1, arg2)
Definition: fmgr.h:684
#define PG_GETARG_POINTER(n)
Definition: fmgr.h:276
#define PG_GETARG_UINT16(n)
Definition: fmgr.h:272
#define PG_RETURN_POINTER(x)
Definition: fmgr.h:361
#define PG_FUNCTION_ARGS
Definition: fmgr.h:193
#define PG_RETURN_BOOL(x)
Definition: fmgr.h:359
#define GIST_LEAF(entry)
Definition: gist.h:171
int y
Definition: isn.c:76
int b
Definition: isn.c:74
int x
Definition: isn.c:75
int a
Definition: isn.c:73
int i
Definition: isn.c:77
Datum macaddr8_cmp(PG_FUNCTION_ARGS)
Definition: mac8.c:325
Datum macaddr8_eq(PG_FUNCTION_ARGS)
Definition: mac8.c:356
Datum macaddr8_gt(PG_FUNCTION_ARGS)
Definition: mac8.c:374
Datum macaddr8_ge(PG_FUNCTION_ARGS)
Definition: mac8.c:365
Datum macaddr8_lt(PG_FUNCTION_ARGS)
Definition: mac8.c:338
Datum macaddr8_le(PG_FUNCTION_ARGS)
Definition: mac8.c:347
void * palloc0(Size size)
Definition: mcxt.c:1975
static bool DatumGetBool(Datum X)
Definition: postgres.h:95
static Datum PointerGetDatum(const void *X)
Definition: postgres.h:327
uintptr_t Datum
Definition: postgres.h:69
static Pointer DatumGetPointer(Datum X)
Definition: postgres.h:317
static int32 DatumGetInt32(Datum X)
Definition: postgres.h:207
struct SortSupportData * SortSupport
Definition: sortsupport.h:58
uint16 StrategyNumber
Definition: stratnum.h:22
Definition: fmgr.h:57
Datum key
Definition: gist.h:161
int(* comparator)(Datum x, Datum y, SortSupport ssup)
Definition: sortsupport.h:106
void * ssup_extra
Definition: sortsupport.h:87
macaddr8 upper
macaddr8 lower
Definition: inet.h:108
struct macaddr8 macaddr8
static Datum Macaddr8PGetDatum(const macaddr8 *X)
Definition: inet.h:169