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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/builtins.h"
9 #include "utils/inet.h"
10 
11 typedef struct
12 {
15  char pad[4]; /* make struct size = sizeof(gbtreekey16) */
16 } macKEY;
17 
18 /*
19 ** OID ops
20 */
28 
29 
30 static bool
31 gbt_macadgt(const void *a, const void *b)
32 {
34 }
35 static bool
36 gbt_macadge(const void *a, const void *b)
37 {
39 }
40 
41 static bool
42 gbt_macadeq(const void *a, const void *b)
43 {
45 }
46 
47 static bool
48 gbt_macadle(const void *a, const void *b)
49 {
51 }
52 
53 static bool
54 gbt_macadlt(const void *a, const void *b)
55 {
57 }
58 
59 
60 static int
61 gbt_macadkey_cmp(const void *a, const void *b)
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 
75 static const gbtree_ninfo tinfo =
76 {
78  sizeof(macaddr),
79  16, /* sizeof(gbtreekey16) */
86  NULL
87 };
88 
89 
90 /**************************************************
91  * macaddr ops
92  **************************************************/
93 
94 
95 
96 static uint64
98 {
99  unsigned char *mi = (unsigned char *) m;
100  uint64 res = 0;
101  int i;
102 
103  for (i = 0; i < 6; i++)
104  res += (((uint64) mi[i]) << ((uint64) ((5 - i) * 8)));
105  return res;
106 }
107 
108 
109 
110 Datum
112 {
113  GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
114 
115  PG_RETURN_POINTER(gbt_num_compress(entry, &tinfo));
116 }
117 
118 Datum
120 {
121  GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
122 
123  PG_RETURN_POINTER(gbt_num_fetch(entry, &tinfo));
124 }
125 
126 Datum
128 {
129  GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
130  macaddr *query = (macaddr *) PG_GETARG_POINTER(1);
132 
133  /* Oid subtype = PG_GETARG_OID(3); */
134  bool *recheck = (bool *) PG_GETARG_POINTER(4);
135  macKEY *kkk = (macKEY *) DatumGetPointer(entry->key);
136  GBT_NUMKEY_R 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 
145  gbt_num_consistent(&key, (void *) query, &strategy, GIST_LEAF(entry), &tinfo)
146  );
147 }
148 
149 
150 Datum
152 {
154  void *out = palloc0(sizeof(macKEY));
155 
156  *(int *) PG_GETARG_POINTER(1) = sizeof(macKEY);
157  PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo));
158 }
159 
160 
161 Datum
163 {
164  macKEY *origentry = (macKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
165  macKEY *newentry = (macKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
166  float *result = (float *) PG_GETARG_POINTER(2);
167  uint64 iorg[2],
168  inew[2];
169 
170  iorg[0] = mac_2_uint64(&origentry->lower);
171  iorg[1] = mac_2_uint64(&origentry->upper);
172  inew[0] = mac_2_uint64(&newentry->lower);
173  inew[1] = mac_2_uint64(&newentry->upper);
174 
175  penalty_num(result, iorg[0], iorg[1], inew[0], inew[1]);
176 
177  PG_RETURN_POINTER(result);
178 
179 }
180 
181 Datum
183 {
187  &tinfo
188  ));
189 }
190 
191 Datum
193 {
194  macKEY *b1 = (macKEY *) PG_GETARG_POINTER(0);
195  macKEY *b2 = (macKEY *) PG_GETARG_POINTER(1);
196  bool *result = (bool *) PG_GETARG_POINTER(2);
197 
198  *result = gbt_num_same((void *) b1, (void *) b2, &tinfo);
199  PG_RETURN_POINTER(result);
200 }
#define GIST_LEAF(entry)
Definition: gist.h:133
#define PG_RETURN_POINTER(x)
Definition: fmgr.h:305
Datum gbt_macad_consistent(PG_FUNCTION_ARGS)
macaddr lower
Definition: btree_macaddr.c:13
static int gbt_macadkey_cmp(const void *a, const void *b)
Definition: btree_macaddr.c:61
const GBT_NUMKEY * lower
#define DatumGetInt32(X)
Definition: postgres.h:480
Datum gbt_macad_compress(PG_FUNCTION_ARGS)
Datum gbt_macad_fetch(PG_FUNCTION_ARGS)
GISTENTRY * gbt_num_fetch(GISTENTRY *entry, const gbtree_ninfo *tinfo)
#define PointerGetDatum(X)
Definition: postgres.h:564
static uint64 mac_2_uint64(macaddr *m)
Definition: btree_macaddr.c:97
#define MacaddrPGetDatum(X)
Definition: inet.h:115
Datum macaddr_le(PG_FUNCTION_ARGS)
Definition: mac.c:193
Datum macaddr_ge(PG_FUNCTION_ARGS)
Definition: mac.c:211
uint16 StrategyNumber
Definition: stratnum.h:22
const GBT_NUMKEY * upper
#define PG_GETARG_POINTER(n)
Definition: fmgr.h:232
GISTENTRY * gbt_num_compress(GISTENTRY *entry, const gbtree_ninfo *tinfo)
Datum gbt_macad_picksplit(PG_FUNCTION_ARGS)
struct macaddr macaddr
PG_FUNCTION_INFO_V1(gbt_macad_compress)
static bool gbt_macadle(const void *a, const void *b)
Definition: btree_macaddr.c:48
#define penalty_num(result, olower, oupper, nlower, nupper)
Datum macaddr_lt(PG_FUNCTION_ARGS)
Definition: mac.c:184
Datum key
Definition: gist.h:123
char GBT_NUMKEY
static bool gbt_macadeq(const void *a, const void *b)
Definition: btree_macaddr.c:42
#define DatumGetBool(X)
Definition: postgres.h:401
bool gbt_num_same(const GBT_NUMKEY *a, const GBT_NUMKEY *b, 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)
void * palloc0(Size size)
Definition: mcxt.c:920
Datum macaddr_eq(PG_FUNCTION_ARGS)
Definition: mac.c:202
#define PG_RETURN_BOOL(x)
Definition: fmgr.h:303
uintptr_t Datum
Definition: postgres.h:374
static const gbtree_ninfo tinfo
Definition: btree_macaddr.c:75
Datum gbt_macad_union(PG_FUNCTION_ARGS)
macaddr upper
Definition: btree_macaddr.c:14
#define NULL
Definition: c.h:226
static bool gbt_macadlt(const void *a, const void *b)
Definition: btree_macaddr.c:54
Definition: inet.h:94
Datum macaddr_cmp(PG_FUNCTION_ARGS)
Definition: mac.c:171
void * gbt_num_union(GBT_NUMKEY *out, const GistEntryVector *entryvec, const gbtree_ninfo *tinfo)
#define PG_GETARG_UINT16(n)
Definition: fmgr.h:228
#define DatumGetPointer(X)
Definition: postgres.h:557
GIST_SPLITVEC * gbt_num_picksplit(const GistEntryVector *entryvec, GIST_SPLITVEC *v, const gbtree_ninfo *tinfo)
int i
Datum gbt_macad_penalty(PG_FUNCTION_ARGS)
static bool gbt_macadge(const void *a, const void *b)
Definition: btree_macaddr.c:36
#define PG_FUNCTION_ARGS
Definition: fmgr.h:150
static bool gbt_macadgt(const void *a, const void *b)
Definition: btree_macaddr.c:31
Datum gbt_macad_same(PG_FUNCTION_ARGS)
#define DirectFunctionCall2(func, arg1, arg2)
Definition: fmgr.h:557
Datum macaddr_gt(PG_FUNCTION_ARGS)
Definition: mac.c:220