2 * contrib/btree_gist/btree_enum.c
6 #include "utils/builtins.h"
8 #include "btree_gist.h"
9 #include "btree_utils_num.h"
11 /* enums are really Oids, so we just use the same structure */
22 PG_FUNCTION_INFO_V1(gbt_enum_compress);
23 PG_FUNCTION_INFO_V1(gbt_enum_fetch);
24 PG_FUNCTION_INFO_V1(gbt_enum_union);
25 PG_FUNCTION_INFO_V1(gbt_enum_picksplit);
26 PG_FUNCTION_INFO_V1(gbt_enum_consistent);
27 PG_FUNCTION_INFO_V1(gbt_enum_penalty);
28 PG_FUNCTION_INFO_V1(gbt_enum_same);
32 gbt_enumgt(const void *a, const void *b, FmgrInfo *flinfo)
35 CallerFInfoFunctionCall2(enum_gt, flinfo, InvalidOid, ObjectIdGetDatum(*((const Oid *) a)), ObjectIdGetDatum(*((const Oid *) b)))
39 gbt_enumge(const void *a, const void *b, FmgrInfo *flinfo)
42 CallerFInfoFunctionCall2(enum_ge, flinfo, InvalidOid, ObjectIdGetDatum(*((const Oid *) a)), ObjectIdGetDatum(*((const Oid *) b)))
46 gbt_enumeq(const void *a, const void *b, FmgrInfo *flinfo)
48 return (*((const Oid *) a) == *((const Oid *) b));
51 gbt_enumle(const void *a, const void *b, FmgrInfo *flinfo)
54 CallerFInfoFunctionCall2(enum_le, flinfo, InvalidOid, ObjectIdGetDatum(*((const Oid *) a)), ObjectIdGetDatum(*((const Oid *) b)))
58 gbt_enumlt(const void *a, const void *b, FmgrInfo *flinfo)
61 CallerFInfoFunctionCall2(enum_lt, flinfo, InvalidOid, ObjectIdGetDatum(*((const Oid *) a)), ObjectIdGetDatum(*((const Oid *) b)))
66 gbt_enumkey_cmp(const void *a, const void *b, FmgrInfo *flinfo)
68 oidKEY *ia = (oidKEY *) (((const Nsrt *) a)->t);
69 oidKEY *ib = (oidKEY *) (((const Nsrt *) b)->t);
71 if (ia->lower == ib->lower)
73 if (ia->upper == ib->upper)
77 CallerFInfoFunctionCall2(enum_cmp, flinfo, InvalidOid, ObjectIdGetDatum(ia->upper), ObjectIdGetDatum(ib->upper))
82 CallerFInfoFunctionCall2(enum_cmp, flinfo, InvalidOid, ObjectIdGetDatum(ia->lower), ObjectIdGetDatum(ib->lower))
86 static const gbtree_ninfo tinfo =
90 8, /* sizeof(gbtreekey8) */
97 NULL /* no KNN support at least for now */
101 /**************************************************
103 **************************************************/
107 gbt_enum_compress(PG_FUNCTION_ARGS)
109 GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
111 PG_RETURN_POINTER(gbt_num_compress(entry, &tinfo));
115 gbt_enum_fetch(PG_FUNCTION_ARGS)
117 GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
119 PG_RETURN_POINTER(gbt_num_fetch(entry, &tinfo));
123 gbt_enum_consistent(PG_FUNCTION_ARGS)
125 GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
126 Oid query = PG_GETARG_OID(1);
127 StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
129 /* Oid subtype = PG_GETARG_OID(3); */
130 bool *recheck = (bool *) PG_GETARG_POINTER(4);
131 oidKEY *kkk = (oidKEY *) DatumGetPointer(entry->key);
134 /* All cases served by this function are exact */
137 key.lower = (GBT_NUMKEY *) &kkk->lower;
138 key.upper = (GBT_NUMKEY *) &kkk->upper;
141 gbt_num_consistent(&key, (void *) &query, &strategy, GIST_LEAF(entry), &tinfo, fcinfo->flinfo)
146 gbt_enum_union(PG_FUNCTION_ARGS)
148 GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
149 void *out = palloc(sizeof(oidKEY));
151 *(int *) PG_GETARG_POINTER(1) = sizeof(oidKEY);
152 PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo, fcinfo->flinfo));
157 gbt_enum_penalty(PG_FUNCTION_ARGS)
159 oidKEY *origentry = (oidKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
160 oidKEY *newentry = (oidKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
161 float *result = (float *) PG_GETARG_POINTER(2);
163 penalty_num(result, origentry->lower, origentry->upper, newentry->lower, newentry->upper);
165 PG_RETURN_POINTER(result);
169 gbt_enum_picksplit(PG_FUNCTION_ARGS)
171 PG_RETURN_POINTER(gbt_num_picksplit(
172 (GistEntryVector *) PG_GETARG_POINTER(0),
173 (GIST_SPLITVEC *) PG_GETARG_POINTER(1),
174 &tinfo, fcinfo->flinfo
179 gbt_enum_same(PG_FUNCTION_ARGS)
181 oidKEY *b1 = (oidKEY *) PG_GETARG_POINTER(0);
182 oidKEY *b2 = (oidKEY *) PG_GETARG_POINTER(1);
183 bool *result = (bool *) PG_GETARG_POINTER(2);
185 *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
186 PG_RETURN_POINTER(result);