PostgreSQL Source Code git master
Data Structures | Typedefs | Functions | Variables
btree_int4.c File Reference
#include "postgres.h"
#include "btree_gist.h"
#include "btree_utils_num.h"
#include "common/int.h"
#include "utils/rel.h"
#include "utils/sortsupport.h"
Include dependency graph for btree_int4.c:

Go to the source code of this file.

Data Structures

struct   int32key
 

Typedefs

typedef struct int32key  int32KEY
 

Functions

  PG_FUNCTION_INFO_V1 (gbt_int4_compress)
 
  PG_FUNCTION_INFO_V1 (gbt_int4_fetch)
 
  PG_FUNCTION_INFO_V1 (gbt_int4_union)
 
  PG_FUNCTION_INFO_V1 (gbt_int4_picksplit)
 
  PG_FUNCTION_INFO_V1 (gbt_int4_consistent)
 
  PG_FUNCTION_INFO_V1 (gbt_int4_distance)
 
  PG_FUNCTION_INFO_V1 (gbt_int4_penalty)
 
  PG_FUNCTION_INFO_V1 (gbt_int4_same)
 
  PG_FUNCTION_INFO_V1 (gbt_int4_sortsupport)
 
static bool  gbt_int4gt (const void *a, const void *b, FmgrInfo *flinfo)
 
static bool  gbt_int4ge (const void *a, const void *b, FmgrInfo *flinfo)
 
static bool  gbt_int4eq (const void *a, const void *b, FmgrInfo *flinfo)
 
static bool  gbt_int4le (const void *a, const void *b, FmgrInfo *flinfo)
 
static bool  gbt_int4lt (const void *a, const void *b, FmgrInfo *flinfo)
 
static int  gbt_int4key_cmp (const void *a, const void *b, FmgrInfo *flinfo)
 
static float8  gbt_int4_dist (const void *a, const void *b, FmgrInfo *flinfo)
 
  PG_FUNCTION_INFO_V1 (int4_dist)
 
Datum  int4_dist (PG_FUNCTION_ARGS)
 
Datum  gbt_int4_compress (PG_FUNCTION_ARGS)
 
Datum  gbt_int4_fetch (PG_FUNCTION_ARGS)
 
Datum  gbt_int4_consistent (PG_FUNCTION_ARGS)
 
Datum  gbt_int4_distance (PG_FUNCTION_ARGS)
 
Datum  gbt_int4_union (PG_FUNCTION_ARGS)
 
Datum  gbt_int4_penalty (PG_FUNCTION_ARGS)
 
Datum  gbt_int4_picksplit (PG_FUNCTION_ARGS)
 
Datum  gbt_int4_same (PG_FUNCTION_ARGS)
 
static int  gbt_int4_ssup_cmp (Datum a, Datum b, SortSupport ssup)
 
Datum  gbt_int4_sortsupport (PG_FUNCTION_ARGS)
 

Variables

static const gbtree_ninfo  tinfo
 

Typedef Documentation

◆ int32KEY

typedef struct int32key int32KEY

Function Documentation

◆ gbt_int4_compress()

Datum gbt_int4_compress ( PG_FUNCTION_ARGS  )

Definition at line 119 of file btree_int4.c.

120{
121 GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
122
124}
static const gbtree_ninfo tinfo
Definition: btree_int4.c:78
GISTENTRY * gbt_num_compress(GISTENTRY *entry, const gbtree_ninfo *tinfo)
#define PG_GETARG_POINTER(n)
Definition: fmgr.h:276
#define PG_RETURN_POINTER(x)
Definition: fmgr.h:361
Definition: gist.h:160

References gbt_num_compress(), PG_GETARG_POINTER, PG_RETURN_POINTER, and tinfo.

◆ gbt_int4_consistent()

Datum gbt_int4_consistent ( PG_FUNCTION_ARGS  )

Definition at line 135 of file btree_int4.c.

136{
137 GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
138 int32 query = PG_GETARG_INT32(1);
140
141 /* Oid subtype = PG_GETARG_OID(3); */
142 bool *recheck = (bool *) PG_GETARG_POINTER(4);
143 int32KEY *kkk = (int32KEY *) DatumGetPointer(entry->key);
145
146 /* All cases served by this function are exact */
147 *recheck = false;
148
149 key.lower = (GBT_NUMKEY *) &kkk->lower;
150 key.upper = (GBT_NUMKEY *) &kkk->upper;
151
152 PG_RETURN_BOOL(gbt_num_consistent(&key, &query, &strategy,
153 GIST_LEAF(entry), &tinfo, fcinfo->flinfo));
154}
bool gbt_num_consistent(const GBT_NUMKEY_R *key, const void *query, const StrategyNumber *strategy, bool is_leaf, const gbtree_ninfo *tinfo, FmgrInfo *flinfo)
char GBT_NUMKEY
int32_t int32
Definition: c.h:534
#define PG_GETARG_UINT16(n)
Definition: fmgr.h:272
#define PG_GETARG_INT32(n)
Definition: fmgr.h:269
#define PG_RETURN_BOOL(x)
Definition: fmgr.h:359
#define GIST_LEAF(entry)
Definition: gist.h:171
static Pointer DatumGetPointer(Datum X)
Definition: postgres.h:322
uint16 StrategyNumber
Definition: stratnum.h:22
Datum key
Definition: gist.h:161
int32 upper
Definition: btree_int4.c:14
int32 lower
Definition: btree_int4.c:13

References DatumGetPointer(), gbt_num_consistent(), GIST_LEAF, GISTENTRY::key, sort-test::key, int32key::lower, PG_GETARG_INT32, PG_GETARG_POINTER, PG_GETARG_UINT16, PG_RETURN_BOOL, tinfo, and int32key::upper.

◆ gbt_int4_dist()

static float8 gbt_int4_dist ( const void *  a,
const void *  b,
FmgrInfo *  flinfo 
)
static

Definition at line 72 of file btree_int4.c.

73{
74 return GET_FLOAT_DISTANCE(int32, a, b);
75}
#define GET_FLOAT_DISTANCE(t, arg1, arg2)
b
int b
Definition: isn.c:74
a
int a
Definition: isn.c:73

References a, b, and GET_FLOAT_DISTANCE.

◆ gbt_int4_distance()

Datum gbt_int4_distance ( PG_FUNCTION_ARGS  )

Definition at line 157 of file btree_int4.c.

158{
159 GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
160 int32 query = PG_GETARG_INT32(1);
161
162 /* Oid subtype = PG_GETARG_OID(3); */
163 int32KEY *kkk = (int32KEY *) DatumGetPointer(entry->key);
165
166 key.lower = (GBT_NUMKEY *) &kkk->lower;
167 key.upper = (GBT_NUMKEY *) &kkk->upper;
168
170 &tinfo, fcinfo->flinfo));
171}
float8 gbt_num_distance(const GBT_NUMKEY_R *key, const void *query, bool is_leaf, const gbtree_ninfo *tinfo, FmgrInfo *flinfo)
#define PG_RETURN_FLOAT8(x)
Definition: fmgr.h:367

References DatumGetPointer(), gbt_num_distance(), GIST_LEAF, GISTENTRY::key, sort-test::key, int32key::lower, PG_GETARG_INT32, PG_GETARG_POINTER, PG_RETURN_FLOAT8, tinfo, and int32key::upper.

◆ gbt_int4_fetch()

Datum gbt_int4_fetch ( PG_FUNCTION_ARGS  )

Definition at line 127 of file btree_int4.c.

128{
129 GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
130
132}
GISTENTRY * gbt_num_fetch(GISTENTRY *entry, const gbtree_ninfo *tinfo)

References gbt_num_fetch(), PG_GETARG_POINTER, PG_RETURN_POINTER, and tinfo.

◆ gbt_int4_penalty()

Datum gbt_int4_penalty ( PG_FUNCTION_ARGS  )

Definition at line 184 of file btree_int4.c.

185{
186 int32KEY *origentry = (int32KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
188 float *result = (float *) PG_GETARG_POINTER(2);
189
190 penalty_num(result, origentry->lower, origentry->upper, newentry->lower, newentry->upper);
191
192 PG_RETURN_POINTER(result);
193}
#define penalty_num(result, olower, oupper, nlower, nupper)

References DatumGetPointer(), sort-test::key, int32key::lower, penalty_num, PG_GETARG_POINTER, PG_RETURN_POINTER, and int32key::upper.

◆ gbt_int4_picksplit()

Datum gbt_int4_picksplit ( PG_FUNCTION_ARGS  )

Definition at line 196 of file btree_int4.c.

197{
200 &tinfo, fcinfo->flinfo));
201}
GIST_SPLITVEC * gbt_num_picksplit(const GistEntryVector *entryvec, GIST_SPLITVEC *v, const gbtree_ninfo *tinfo, FmgrInfo *flinfo)
Definition: gist.h:142

References gbt_num_picksplit(), PG_GETARG_POINTER, PG_RETURN_POINTER, and tinfo.

◆ gbt_int4_same()

Datum gbt_int4_same ( PG_FUNCTION_ARGS  )

Definition at line 204 of file btree_int4.c.

205{
208 bool *result = (bool *) PG_GETARG_POINTER(2);
209
210 *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
211 PG_RETURN_POINTER(result);
212}
bool gbt_num_same(const GBT_NUMKEY *a, const GBT_NUMKEY *b, const gbtree_ninfo *tinfo, FmgrInfo *flinfo)

References gbt_num_same(), PG_GETARG_POINTER, PG_RETURN_POINTER, and tinfo.

◆ gbt_int4_sortsupport()

Datum gbt_int4_sortsupport ( PG_FUNCTION_ARGS  )

Definition at line 230 of file btree_int4.c.

231{
233
236}
static int gbt_int4_ssup_cmp(Datum a, Datum b, SortSupport ssup)
Definition: btree_int4.c:215
#define PG_RETURN_VOID()
Definition: fmgr.h:349
struct SortSupportData * SortSupport
Definition: sortsupport.h:58
int(* comparator)(Datum x, Datum y, SortSupport ssup)
Definition: sortsupport.h:106

References SortSupportData::comparator, gbt_int4_ssup_cmp(), PG_GETARG_POINTER, and PG_RETURN_VOID.

◆ gbt_int4_ssup_cmp()

static int gbt_int4_ssup_cmp ( Datum  a,
Datum  b,
SortSupport  ssup 
)
static

Definition at line 215 of file btree_int4.c.

216{
219
220 /* for leaf items we expect lower == upper, so only compare lower */
221 if (ia->lower < ib->lower)
222 return -1;
223 else if (ia->lower > ib->lower)
224 return 1;
225 else
226 return 0;
227}

References a, b, DatumGetPointer(), and int32key::lower.

Referenced by gbt_int4_sortsupport().

◆ gbt_int4_union()

Datum gbt_int4_union ( PG_FUNCTION_ARGS  )

Definition at line 174 of file btree_int4.c.

175{
177 void *out = palloc(sizeof(int32KEY));
178
179 *(int *) PG_GETARG_POINTER(1) = sizeof(int32KEY);
180 PG_RETURN_POINTER(gbt_num_union(out, entryvec, &tinfo, fcinfo->flinfo));
181}
struct int32key int32KEY
void * gbt_num_union(GBT_NUMKEY *out, const GistEntryVector *entryvec, const gbtree_ninfo *tinfo, FmgrInfo *flinfo)
void * palloc(Size size)
Definition: mcxt.c:1365

References gbt_num_union(), palloc(), PG_GETARG_POINTER, PG_RETURN_POINTER, and tinfo.

◆ gbt_int4eq()

static bool gbt_int4eq ( const void *  a,
const void *  b,
FmgrInfo *  flinfo 
)
static

Definition at line 39 of file btree_int4.c.

40{
41 return (*((const int32 *) a) == *((const int32 *) b));
42}

References a, and b.

◆ gbt_int4ge()

static bool gbt_int4ge ( const void *  a,
const void *  b,
FmgrInfo *  flinfo 
)
static

Definition at line 34 of file btree_int4.c.

35{
36 return (*((const int32 *) a) >= *((const int32 *) b));
37}

References a, and b.

◆ gbt_int4gt()

static bool gbt_int4gt ( const void *  a,
const void *  b,
FmgrInfo *  flinfo 
)
static

Definition at line 29 of file btree_int4.c.

30{
31 return (*((const int32 *) a) > *((const int32 *) b));
32}

References a, and b.

◆ gbt_int4key_cmp()

static int gbt_int4key_cmp ( const void *  a,
const void *  b,
FmgrInfo *  flinfo 
)
static

Definition at line 55 of file btree_int4.c.

56{
57 int32KEY *ia = (int32KEY *) (((const Nsrt *) a)->t);
58 int32KEY *ib = (int32KEY *) (((const Nsrt *) b)->t);
59
60 if (ia->lower == ib->lower)
61 {
62 if (ia->upper == ib->upper)
63 return 0;
64
65 return (ia->upper > ib->upper) ? 1 : -1;
66 }
67
68 return (ia->lower > ib->lower) ? 1 : -1;
69}

References a, b, int32key::lower, and int32key::upper.

◆ gbt_int4le()

static bool gbt_int4le ( const void *  a,
const void *  b,
FmgrInfo *  flinfo 
)
static

Definition at line 44 of file btree_int4.c.

45{
46 return (*((const int32 *) a) <= *((const int32 *) b));
47}

References a, and b.

◆ gbt_int4lt()

static bool gbt_int4lt ( const void *  a,
const void *  b,
FmgrInfo *  flinfo 
)
static

Definition at line 49 of file btree_int4.c.

50{
51 return (*((const int32 *) a) < *((const int32 *) b));
52}

References a, and b.

◆ int4_dist()

Datum int4_dist ( PG_FUNCTION_ARGS  )

Definition at line 95 of file btree_int4.c.

96{
99 int32 r;
100 int32 ra;
101
102 if (pg_sub_s32_overflow(a, b, &r) ||
103 r == PG_INT32_MIN)
105 (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
106 errmsg("integer out of range")));
107
108 ra = abs(r);
109
110 PG_RETURN_INT32(ra);
111}
#define PG_INT32_MIN
Definition: c.h:593
int errcode(int sqlerrcode)
Definition: elog.c:854
int errmsg(const char *fmt,...)
Definition: elog.c:1071
#define ERROR
Definition: elog.h:39
#define ereport(elevel,...)
Definition: elog.h:150
#define PG_RETURN_INT32(x)
Definition: fmgr.h:354
static bool pg_sub_s32_overflow(int32 a, int32 b, int32 *result)
Definition: int.h:169

References a, b, ereport, errcode(), errmsg(), ERROR, PG_GETARG_INT32, PG_INT32_MIN, PG_RETURN_INT32, and pg_sub_s32_overflow().

◆ PG_FUNCTION_INFO_V1() [1/10]

PG_FUNCTION_INFO_V1 ( gbt_int4_compress  )

◆ PG_FUNCTION_INFO_V1() [2/10]

PG_FUNCTION_INFO_V1 ( gbt_int4_consistent  )

◆ PG_FUNCTION_INFO_V1() [3/10]

PG_FUNCTION_INFO_V1 ( gbt_int4_distance  )

◆ PG_FUNCTION_INFO_V1() [4/10]

PG_FUNCTION_INFO_V1 ( gbt_int4_fetch  )

◆ PG_FUNCTION_INFO_V1() [5/10]

PG_FUNCTION_INFO_V1 ( gbt_int4_penalty  )

◆ PG_FUNCTION_INFO_V1() [6/10]

PG_FUNCTION_INFO_V1 ( gbt_int4_picksplit  )

◆ PG_FUNCTION_INFO_V1() [7/10]

PG_FUNCTION_INFO_V1 ( gbt_int4_same  )

◆ PG_FUNCTION_INFO_V1() [8/10]

PG_FUNCTION_INFO_V1 ( gbt_int4_sortsupport  )

◆ PG_FUNCTION_INFO_V1() [9/10]

PG_FUNCTION_INFO_V1 ( gbt_int4_union  )

◆ PG_FUNCTION_INFO_V1() [10/10]

PG_FUNCTION_INFO_V1 ( int4_dist  )

Variable Documentation

◆ tinfo

const gbtree_ninfo tinfo
static
Initial value:
=
{
sizeof(int32),
8,
}
@ gbt_t_int4
Definition: btree_gist.h:18
static bool gbt_int4lt(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int4.c:49
static bool gbt_int4eq(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int4.c:39
static int gbt_int4key_cmp(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int4.c:55
static bool gbt_int4ge(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int4.c:34
static bool gbt_int4gt(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int4.c:29
static bool gbt_int4le(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int4.c:44
static float8 gbt_int4_dist(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int4.c:72

Definition at line 78 of file btree_int4.c.

Referenced by gbt_int4_compress(), gbt_int4_consistent(), gbt_int4_distance(), gbt_int4_fetch(), gbt_int4_picksplit(), gbt_int4_same(), and gbt_int4_union().

AltStyle によって変換されたページ (->オリジナル) /