forked from greenplum-db/gpdb-archive
-
Notifications
You must be signed in to change notification settings - Fork 3
/
Copy pathbtree_macaddr8.c
200 lines (157 loc) · 4.79 KB
/
btree_macaddr8.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
/*
* contrib/btree_gist/btree_macaddr8.c
*/
#include "postgres.h"
#include "btree_gist.h"
#include "btree_utils_num.h"
#include "utils/builtins.h"
#include "utils/inet.h"
typedef struct
{
macaddr8 lower;
macaddr8 upper;
/* make struct size = sizeof(gbtreekey16) */
} mac8KEY;
/*
** OID ops
*/
PG_FUNCTION_INFO_V1(gbt_macad8_compress);
PG_FUNCTION_INFO_V1(gbt_macad8_fetch);
PG_FUNCTION_INFO_V1(gbt_macad8_union);
PG_FUNCTION_INFO_V1(gbt_macad8_picksplit);
PG_FUNCTION_INFO_V1(gbt_macad8_consistent);
PG_FUNCTION_INFO_V1(gbt_macad8_penalty);
PG_FUNCTION_INFO_V1(gbt_macad8_same);
static bool
gbt_macad8gt(const void *a, const void *b, FmgrInfo *flinfo)
{
return DatumGetBool(DirectFunctionCall2(macaddr8_gt, PointerGetDatum(a), PointerGetDatum(b)));
}
static bool
gbt_macad8ge(const void *a, const void *b, FmgrInfo *flinfo)
{
return DatumGetBool(DirectFunctionCall2(macaddr8_ge, PointerGetDatum(a), PointerGetDatum(b)));
}
static bool
gbt_macad8eq(const void *a, const void *b, FmgrInfo *flinfo)
{
return DatumGetBool(DirectFunctionCall2(macaddr8_eq, PointerGetDatum(a), PointerGetDatum(b)));
}
static bool
gbt_macad8le(const void *a, const void *b, FmgrInfo *flinfo)
{
return DatumGetBool(DirectFunctionCall2(macaddr8_le, PointerGetDatum(a), PointerGetDatum(b)));
}
static bool
gbt_macad8lt(const void *a, const void *b, FmgrInfo *flinfo)
{
return DatumGetBool(DirectFunctionCall2(macaddr8_lt, PointerGetDatum(a), PointerGetDatum(b)));
}
static int
gbt_macad8key_cmp(const void *a, const void *b, FmgrInfo *flinfo)
{
mac8KEY *ia = (mac8KEY *) (((const Nsrt *) a)->t);
mac8KEY *ib = (mac8KEY *) (((const Nsrt *) b)->t);
int res;
res = DatumGetInt32(DirectFunctionCall2(macaddr8_cmp, Macaddr8PGetDatum(&ia->lower), Macaddr8PGetDatum(&ib->lower)));
if (res == 0)
return DatumGetInt32(DirectFunctionCall2(macaddr8_cmp, Macaddr8PGetDatum(&ia->upper), Macaddr8PGetDatum(&ib->upper)));
return res;
}
static const gbtree_ninfo tinfo =
{
gbt_t_macad8,
sizeof(macaddr8),
16, /* sizeof(gbtreekey16) */
gbt_macad8gt,
gbt_macad8ge,
gbt_macad8eq,
gbt_macad8le,
gbt_macad8lt,
gbt_macad8key_cmp,
NULL
};
/**************************************************
* macaddr ops
**************************************************/
static uint64
mac8_2_uint64(macaddr8 *m)
{
unsigned char *mi = (unsigned char *) m;
uint64 res = 0;
int i;
for (i = 0; i < 8; i++)
res += (((uint64) mi[i]) << ((uint64) ((7 - i) * 8)));
return res;
}
Datum
gbt_macad8_compress(PG_FUNCTION_ARGS)
{
GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
PG_RETURN_POINTER(gbt_num_compress(entry, &tinfo));
}
Datum
gbt_macad8_fetch(PG_FUNCTION_ARGS)
{
GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
PG_RETURN_POINTER(gbt_num_fetch(entry, &tinfo));
}
Datum
gbt_macad8_consistent(PG_FUNCTION_ARGS)
{
GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
macaddr8 *query = (macaddr8 *) PG_GETARG_POINTER(1);
StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
/* Oid subtype = PG_GETARG_OID(3); */
bool *recheck = (bool *) PG_GETARG_POINTER(4);
mac8KEY *kkk = (mac8KEY *) DatumGetPointer(entry->key);
GBT_NUMKEY_R key;
/* All cases served by this function are exact */
*recheck = false;
key.lower = (GBT_NUMKEY *) &kkk->lower;
key.upper = (GBT_NUMKEY *) &kkk->upper;
PG_RETURN_BOOL(
gbt_num_consistent(&key, (void *) query, &strategy, GIST_LEAF(entry), &tinfo, fcinfo->flinfo)
);
}
Datum
gbt_macad8_union(PG_FUNCTION_ARGS)
{
GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
void *out = palloc0(sizeof(mac8KEY));
*(int *) PG_GETARG_POINTER(1) = sizeof(mac8KEY);
PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo, fcinfo->flinfo));
}
Datum
gbt_macad8_penalty(PG_FUNCTION_ARGS)
{
mac8KEY *origentry = (mac8KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
mac8KEY *newentry = (mac8KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
float *result = (float *) PG_GETARG_POINTER(2);
uint64 iorg[2],
inew[2];
iorg[0] = mac8_2_uint64(&origentry->lower);
iorg[1] = mac8_2_uint64(&origentry->upper);
inew[0] = mac8_2_uint64(&newentry->lower);
inew[1] = mac8_2_uint64(&newentry->upper);
penalty_num(result, iorg[0], iorg[1], inew[0], inew[1]);
PG_RETURN_POINTER(result);
}
Datum
gbt_macad8_picksplit(PG_FUNCTION_ARGS)
{
PG_RETURN_POINTER(gbt_num_picksplit(
(GistEntryVector *) PG_GETARG_POINTER(0),
(GIST_SPLITVEC *) PG_GETARG_POINTER(1),
&tinfo, fcinfo->flinfo
));
}
Datum
gbt_macad8_same(PG_FUNCTION_ARGS)
{
mac8KEY *b1 = (mac8KEY *) PG_GETARG_POINTER(0);
mac8KEY *b2 = (mac8KEY *) PG_GETARG_POINTER(1);
bool *result = (bool *) PG_GETARG_POINTER(2);
*result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
PG_RETURN_POINTER(result);
}