Age Owner TLA Line data Source code
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 : {
13 : macaddr lower;
14 : macaddr upper;
15 : char pad[4]; /* make struct size = sizeof(gbtreekey16) */
16 : } macKEY;
17 :
18 : /*
19 : ** OID ops
20 : */
6890 teodor 21 CBC 2 : PG_FUNCTION_INFO_V1(gbt_macad_compress);
2935 heikki.linnakangas 22 2 : PG_FUNCTION_INFO_V1(gbt_macad_fetch);
6890 teodor 23 2 : PG_FUNCTION_INFO_V1(gbt_macad_union);
24 2 : PG_FUNCTION_INFO_V1(gbt_macad_picksplit);
25 2 : PG_FUNCTION_INFO_V1(gbt_macad_consistent);
26 2 : PG_FUNCTION_INFO_V1(gbt_macad_penalty);
27 2 : PG_FUNCTION_INFO_V1(gbt_macad_same);
28 :
29 :
30 : static bool
2210 andrew 31 1681 : gbt_macadgt(const void *a, const void *b, FmgrInfo *flinfo)
32 : {
6797 bruce 33 1681 : return DatumGetBool(DirectFunctionCall2(macaddr_gt, PointerGetDatum(a), PointerGetDatum(b)));
34 : }
35 : static bool
2210 andrew 36 163 : gbt_macadge(const void *a, const void *b, FmgrInfo *flinfo)
37 : {
6797 bruce 38 163 : return DatumGetBool(DirectFunctionCall2(macaddr_ge, PointerGetDatum(a), PointerGetDatum(b)));
39 : }
40 :
41 : static bool
2210 andrew 42 853 : gbt_macadeq(const void *a, const void *b, FmgrInfo *flinfo)
43 : {
6797 bruce 44 853 : return DatumGetBool(DirectFunctionCall2(macaddr_eq, PointerGetDatum(a), PointerGetDatum(b)));
45 : }
46 :
47 : static bool
2210 andrew 48 613 : gbt_macadle(const void *a, const void *b, FmgrInfo *flinfo)
49 : {
6797 bruce 50 613 : return DatumGetBool(DirectFunctionCall2(macaddr_le, PointerGetDatum(a), PointerGetDatum(b)));
51 : }
52 :
53 : static bool
2210 andrew 54 1979 : gbt_macadlt(const void *a, const void *b, FmgrInfo *flinfo)
55 : {
6797 bruce 56 1979 : return DatumGetBool(DirectFunctionCall2(macaddr_lt, PointerGetDatum(a), PointerGetDatum(b)));
57 : }
58 :
59 :
60 : static int
2210 andrew 61 5865 : gbt_macadkey_cmp(const void *a, const void *b, FmgrInfo *flinfo)
62 : {
4228 peter_e 63 5865 : macKEY *ia = (macKEY *) (((const Nsrt *) a)->t);
64 5865 : macKEY *ib = (macKEY *) (((const Nsrt *) b)->t);
65 : int res;
66 :
4876 teodor 67 5865 : res = DatumGetInt32(DirectFunctionCall2(macaddr_cmp, MacaddrPGetDatum(&ia->lower), MacaddrPGetDatum(&ib->lower)));
68 5865 : if (res == 0)
69 731 : return DatumGetInt32(DirectFunctionCall2(macaddr_cmp, MacaddrPGetDatum(&ia->upper), MacaddrPGetDatum(&ib->upper)));
70 :
71 5134 : return res;
72 : }
73 :
74 :
75 : static const gbtree_ninfo tinfo =
76 : {
77 : gbt_t_macad,
78 : sizeof(macaddr),
79 : 16, /* sizeof(gbtreekey16) */
80 : gbt_macadgt,
81 : gbt_macadge,
82 : gbt_macadeq,
83 : gbt_macadle,
84 : gbt_macadlt,
85 : gbt_macadkey_cmp,
86 : NULL
87 : };
88 :
89 :
90 : /**************************************************
91 : * macaddr ops
92 : **************************************************/
93 :
94 :
95 :
96 : static uint64
6797 bruce 97 2880 : mac_2_uint64(macaddr *m)
98 : {
99 2880 : unsigned char *mi = (unsigned char *) m;
100 2880 : uint64 res = 0;
101 : int i;
102 :
103 20160 : for (i = 0; i < 6; i++)
104 17280 : res += (((uint64) mi[i]) << ((uint64) ((5 - i) * 8)));
105 2880 : return res;
106 : }
107 :
108 :
109 :
110 : Datum
6890 teodor 111 607 : gbt_macad_compress(PG_FUNCTION_ARGS)
112 : {
6797 bruce 113 607 : GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
114 :
2936 heikki.linnakangas 115 607 : PG_RETURN_POINTER(gbt_num_compress(entry, &tinfo));
116 : }
117 :
118 : Datum
2935 119 8 : gbt_macad_fetch(PG_FUNCTION_ARGS)
120 : {
121 8 : GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
122 :
123 8 : PG_RETURN_POINTER(gbt_num_fetch(entry, &tinfo));
124 : }
125 :
126 : Datum
6890 teodor 127 1828 : gbt_macad_consistent(PG_FUNCTION_ARGS)
128 : {
6797 bruce 129 1828 : GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
130 1828 : macaddr *query = (macaddr *) PG_GETARG_POINTER(1);
5473 tgl 131 1828 : StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
132 :
133 : /* Oid subtype = PG_GETARG_OID(3); */
134 1828 : bool *recheck = (bool *) PG_GETARG_POINTER(4);
6797 bruce 135 1828 : macKEY *kkk = (macKEY *) DatumGetPointer(entry->key);
136 : GBT_NUMKEY_R key;
137 :
138 : /* All cases served by this function are exact */
5473 tgl 139 1828 : *recheck = false;
140 :
5050 bruce 141 1828 : key.lower = (GBT_NUMKEY *) &kkk->lower;
142 1828 : key.upper = (GBT_NUMKEY *) &kkk->upper;
143 :
1165 alvherre 144 1828 : PG_RETURN_BOOL(gbt_num_consistent(&key, (void *) query, &strategy,
145 : GIST_LEAF(entry), &tinfo, fcinfo->flinfo));
146 : }
147 :
148 :
149 : Datum
6890 teodor 150 352 : gbt_macad_union(PG_FUNCTION_ARGS)
151 : {
6797 bruce 152 352 : GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
3250 tgl 153 352 : void *out = palloc0(sizeof(macKEY));
154 :
6797 bruce 155 352 : *(int *) PG_GETARG_POINTER(1) = sizeof(macKEY);
2210 andrew 156 352 : PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo, fcinfo->flinfo));
157 : }
158 :
159 :
160 : Datum
6890 teodor 161 720 : gbt_macad_penalty(PG_FUNCTION_ARGS)
162 : {
6797 bruce 163 720 : macKEY *origentry = (macKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
164 720 : macKEY *newentry = (macKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
165 720 : float *result = (float *) PG_GETARG_POINTER(2);
166 : uint64 iorg[2],
167 : inew[2];
168 :
169 720 : iorg[0] = mac_2_uint64(&origentry->lower);
170 720 : iorg[1] = mac_2_uint64(&origentry->upper);
171 720 : inew[0] = mac_2_uint64(&newentry->lower);
172 720 : inew[1] = mac_2_uint64(&newentry->upper);
173 :
6385 174 720 : penalty_num(result, iorg[0], iorg[1], inew[0], inew[1]);
175 :
6797 176 720 : PG_RETURN_POINTER(result);
177 : }
178 :
179 : Datum
6890 teodor 180 3 : gbt_macad_picksplit(PG_FUNCTION_ARGS)
181 : {
1165 alvherre 182 3 : PG_RETURN_POINTER(gbt_num_picksplit((GistEntryVector *) PG_GETARG_POINTER(0),
183 : (GIST_SPLITVEC *) PG_GETARG_POINTER(1),
184 : &tinfo, fcinfo->flinfo));
185 : }
186 :
187 : Datum
6890 teodor 188 351 : gbt_macad_same(PG_FUNCTION_ARGS)
189 : {
6797 bruce 190 351 : macKEY *b1 = (macKEY *) PG_GETARG_POINTER(0);
191 351 : macKEY *b2 = (macKEY *) PG_GETARG_POINTER(1);
192 351 : bool *result = (bool *) PG_GETARG_POINTER(2);
193 :
2210 andrew 194 351 : *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
6797 bruce 195 351 : PG_RETURN_POINTER(result);
196 : }
|
