PostgreSQL Source Code git master
btree_macaddr.c
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1/*
2 * contrib/btree_gist/btree_macaddr.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 char pad[4]; /* make struct size = sizeof(gbtreekey16) */
17} macKEY;
18
19/* GiST support functions */
28
29
30static bool
31gbt_macadgt(const void *a, const void *b, FmgrInfo *flinfo)
32{
34}
35static bool
36gbt_macadge(const void *a, const void *b, FmgrInfo *flinfo)
37{
39}
40
41static bool
42gbt_macadeq(const void *a, const void *b, FmgrInfo *flinfo)
43{
45}
46
47static bool
48gbt_macadle(const void *a, const void *b, FmgrInfo *flinfo)
49{
51}
52
53static bool
54gbt_macadlt(const void *a, const void *b, FmgrInfo *flinfo)
55{
57}
58
59
60static int
61gbt_macadkey_cmp(const void *a, const void *b, FmgrInfo *flinfo)
62{
63 macKEY *ia = (macKEY *) (((const Nsrt *) a)->t);
64 macKEY *ib = (macKEY *) (((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(macaddr),
79 16, /* sizeof(gbtreekey16) */
86 NULL
87};
88
89
90/**************************************************
91 * GiST support functions
92 **************************************************/
93
94static uint64
96{
97 unsigned char *mi = (unsigned char *) m;
98 uint64 res = 0;
99 int i;
100
101 for (i = 0; i < 6; i++)
102 res += (((uint64) mi[i]) << ((uint64) ((5 - i) * 8)));
103 return res;
104}
105
106Datum
108{
109 GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
110
112}
113
114Datum
116{
117 GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
118
120}
121
122Datum
124{
125 GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
126 macaddr *query = (macaddr *) PG_GETARG_POINTER(1);
128
129 /* Oid subtype = PG_GETARG_OID(3); */
130 bool *recheck = (bool *) PG_GETARG_POINTER(4);
131 macKEY *kkk = (macKEY *) DatumGetPointer(entry->key);
133
134 /* All cases served by this function are exact */
135 *recheck = false;
136
137 key.lower = (GBT_NUMKEY *) &kkk->lower;
138 key.upper = (GBT_NUMKEY *) &kkk->upper;
139
140 PG_RETURN_BOOL(gbt_num_consistent(&key, query, &strategy,
141 GIST_LEAF(entry), &tinfo, fcinfo->flinfo));
142}
143
144
145Datum
147{
149 void *out = palloc0(sizeof(macKEY));
150
151 *(int *) PG_GETARG_POINTER(1) = sizeof(macKEY);
152 PG_RETURN_POINTER(gbt_num_union(out, entryvec, &tinfo, fcinfo->flinfo));
153}
154
155
156Datum
158{
159 macKEY *origentry = (macKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
160 macKEY *newentry = (macKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
161 float *result = (float *) PG_GETARG_POINTER(2);
162 uint64 iorg[2],
163 inew[2];
164
165 iorg[0] = mac_2_uint64(&origentry->lower);
166 iorg[1] = mac_2_uint64(&origentry->upper);
167 inew[0] = mac_2_uint64(&newentry->lower);
168 inew[1] = mac_2_uint64(&newentry->upper);
169
170 penalty_num(result, iorg[0], iorg[1], inew[0], inew[1]);
171
172 PG_RETURN_POINTER(result);
173}
174
175Datum
177{
180 &tinfo, fcinfo->flinfo));
181}
182
183Datum
185{
186 macKEY *b1 = (macKEY *) PG_GETARG_POINTER(0);
187 macKEY *b2 = (macKEY *) PG_GETARG_POINTER(1);
188 bool *result = (bool *) PG_GETARG_POINTER(2);
189
190 *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
191 PG_RETURN_POINTER(result);
192}
193
194static int
196{
197 macKEY *arg1 = (macKEY *) DatumGetPointer(x);
198 macKEY *arg2 = (macKEY *) DatumGetPointer(y);
199
200 /* for leaf items we expect lower == upper, so only compare lower */
202 MacaddrPGetDatum(&arg1->lower),
203 MacaddrPGetDatum(&arg2->lower)));
204}
205
206Datum
208{
210
212 ssup->ssup_extra = NULL;
213
215}
@ gbt_t_macad
Definition: btree_gist.h:29
static bool gbt_macadle(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_macaddr.c:48
Datum gbt_macad_fetch(PG_FUNCTION_ARGS)
Datum gbt_macad_consistent(PG_FUNCTION_ARGS)
static uint64 mac_2_uint64(macaddr *m)
Definition: btree_macaddr.c:95
static int gbt_macadkey_cmp(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_macaddr.c:61
static bool gbt_macadlt(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_macaddr.c:54
Datum gbt_macad_union(PG_FUNCTION_ARGS)
Datum gbt_macaddr_sortsupport(PG_FUNCTION_ARGS)
static int gbt_macaddr_ssup_cmp(Datum x, Datum y, SortSupport ssup)
Datum gbt_macad_picksplit(PG_FUNCTION_ARGS)
static bool gbt_macadeq(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_macaddr.c:42
static const gbtree_ninfo tinfo
Definition: btree_macaddr.c:75
Datum gbt_macad_penalty(PG_FUNCTION_ARGS)
Datum gbt_macad_compress(PG_FUNCTION_ARGS)
Datum gbt_macad_same(PG_FUNCTION_ARGS)
static bool gbt_macadge(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_macaddr.c:36
PG_FUNCTION_INFO_V1(gbt_macad_compress)
static bool gbt_macadgt(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_macaddr.c:31
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 macaddr_lt(PG_FUNCTION_ARGS)
Definition: mac.c:210
Datum macaddr_cmp(PG_FUNCTION_ARGS)
Definition: mac.c:197
Datum macaddr_eq(PG_FUNCTION_ARGS)
Definition: mac.c:228
Datum macaddr_ge(PG_FUNCTION_ARGS)
Definition: mac.c:237
Datum macaddr_le(PG_FUNCTION_ARGS)
Definition: mac.c:219
Datum macaddr_gt(PG_FUNCTION_ARGS)
Definition: mac.c:246
void * palloc0(Size size)
Definition: mcxt.c:1969
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
macaddr upper
Definition: btree_macaddr.c:15
macaddr lower
Definition: btree_macaddr.c:14
Definition: inet.h:95
static Datum MacaddrPGetDatum(const macaddr *X)
Definition: inet.h:153
struct macaddr macaddr