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
11typedef struct
12{
15 /* make struct size = sizeof(gbtreekey16) */
16} mac8KEY;
17
18/*
19** OID ops
20*/
28
29
30static bool
31gbt_macad8gt(const void *a, const void *b, FmgrInfo *flinfo)
32{
34}
35static bool
36gbt_macad8ge(const void *a, const void *b, FmgrInfo *flinfo)
37{
39}
40
41static bool
42gbt_macad8eq(const void *a, const void *b, FmgrInfo *flinfo)
43{
45}
46
47static bool
48gbt_macad8le(const void *a, const void *b, FmgrInfo *flinfo)
49{
51}
52
53static bool
54gbt_macad8lt(const void *a, const void *b, FmgrInfo *flinfo)
55{
57}
58
59
60static int
61gbt_macad8key_cmp(const void *a, const void *b, FmgrInfo *flinfo)
62{
63 mac8KEY *ia = (mac8KEY *) (((const Nsrt *) a)->t);
64 mac8KEY *ib = (mac8KEY *) (((const Nsrt *) b)->t);
65 int res;
66
68 if (res == 0)
70
71 return res;
72}
73
74
75static const gbtree_ninfo tinfo =
76{
78 sizeof(macaddr8),
79 16, /* sizeof(gbtreekey16) */
86 NULL
87};
88
89
90/**************************************************
91 * macaddr ops
92 **************************************************/
93
94
95
96static uint64
98{
99 unsigned char *mi = (unsigned char *) m;
100 uint64 res = 0;
101 int i;
102
103 for (i = 0; i < 8; i++)
104 res += (((uint64) mi[i]) << ((uint64) ((7 - i) * 8)));
105 return res;
106}
107
108
109
110Datum
112{
113 GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
114
116}
117
118Datum
120{
121 GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
122
124}
125
126Datum
128{
129 GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
130 macaddr8 *query = (macaddr8 *) PG_GETARG_POINTER(1);
132
133 /* Oid subtype = PG_GETARG_OID(3); */
134 bool *recheck = (bool *) PG_GETARG_POINTER(4);
135 mac8KEY *kkk = (mac8KEY *) DatumGetPointer(entry->key);
137
138 /* All cases served by this function are exact */
139 *recheck = false;
140
141 key.lower = (GBT_NUMKEY *) &kkk->lower;
142 key.upper = (GBT_NUMKEY *) &kkk->upper;
143
144 PG_RETURN_BOOL(gbt_num_consistent(&key, query, &strategy,
145 GIST_LEAF(entry), &tinfo, fcinfo->flinfo));
146}
147
148
149Datum
151{
153 void *out = palloc0(sizeof(mac8KEY));
154
155 *(int *) PG_GETARG_POINTER(1) = sizeof(mac8KEY);
156 PG_RETURN_POINTER(gbt_num_union(out, entryvec, &tinfo, fcinfo->flinfo));
157}
158
159
160Datum
162{
163 mac8KEY *origentry = (mac8KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
165 float *result = (float *) PG_GETARG_POINTER(2);
166 uint64 iorg[2],
167 inew[2];
168
169 iorg[0] = mac8_2_uint64(&origentry->lower);
170 iorg[1] = mac8_2_uint64(&origentry->upper);
171 inew[0] = mac8_2_uint64(&newentry->lower);
172 inew[1] = mac8_2_uint64(&newentry->upper);
173
174 penalty_num(result, iorg[0], iorg[1], inew[0], inew[1]);
175
176 PG_RETURN_POINTER(result);
177}
178
179Datum
181{
184 &tinfo, fcinfo->flinfo));
185}
186
187Datum
189{
190 mac8KEY *b1 = (mac8KEY *) PG_GETARG_POINTER(0);
191 mac8KEY *b2 = (mac8KEY *) PG_GETARG_POINTER(1);
192 bool *result = (bool *) PG_GETARG_POINTER(2);
193
194 *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
195 PG_RETURN_POINTER(result);
196}
@ 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 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:489
#define DirectFunctionCall2(func, arg1, arg2)
Definition: fmgr.h:643
#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 b
Definition: isn.c:69
int a
Definition: isn.c:68
int i
Definition: isn.c:72
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:1347
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
uint16 StrategyNumber
Definition: stratnum.h:22
Definition: fmgr.h:57
Datum key
Definition: gist.h:161
macaddr8 upper
macaddr8 lower
Definition: inet.h:108
struct macaddr8 macaddr8
static Datum Macaddr8PGetDatum(const macaddr8 *X)
Definition: inet.h:169