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Data Structures | Typedefs | Functions | Variables
btree_int2.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_int2.c:

Go to the source code of this file.

Data Structures

struct   int16key
 

Typedefs

typedef struct int16key  int16KEY
 

Functions

  PG_FUNCTION_INFO_V1 (gbt_int2_compress)
 
  PG_FUNCTION_INFO_V1 (gbt_int2_fetch)
 
  PG_FUNCTION_INFO_V1 (gbt_int2_union)
 
  PG_FUNCTION_INFO_V1 (gbt_int2_picksplit)
 
  PG_FUNCTION_INFO_V1 (gbt_int2_consistent)
 
  PG_FUNCTION_INFO_V1 (gbt_int2_distance)
 
  PG_FUNCTION_INFO_V1 (gbt_int2_penalty)
 
  PG_FUNCTION_INFO_V1 (gbt_int2_same)
 
  PG_FUNCTION_INFO_V1 (gbt_int2_sortsupport)
 
static bool  gbt_int2gt (const void *a, const void *b, FmgrInfo *flinfo)
 
static bool  gbt_int2ge (const void *a, const void *b, FmgrInfo *flinfo)
 
static bool  gbt_int2eq (const void *a, const void *b, FmgrInfo *flinfo)
 
static bool  gbt_int2le (const void *a, const void *b, FmgrInfo *flinfo)
 
static bool  gbt_int2lt (const void *a, const void *b, FmgrInfo *flinfo)
 
static int  gbt_int2key_cmp (const void *a, const void *b, FmgrInfo *flinfo)
 
static float8  gbt_int2_dist (const void *a, const void *b, FmgrInfo *flinfo)
 
  PG_FUNCTION_INFO_V1 (int2_dist)
 
Datum  int2_dist (PG_FUNCTION_ARGS)
 
Datum  gbt_int2_compress (PG_FUNCTION_ARGS)
 
Datum  gbt_int2_fetch (PG_FUNCTION_ARGS)
 
Datum  gbt_int2_consistent (PG_FUNCTION_ARGS)
 
Datum  gbt_int2_distance (PG_FUNCTION_ARGS)
 
Datum  gbt_int2_union (PG_FUNCTION_ARGS)
 
Datum  gbt_int2_penalty (PG_FUNCTION_ARGS)
 
Datum  gbt_int2_picksplit (PG_FUNCTION_ARGS)
 
Datum  gbt_int2_same (PG_FUNCTION_ARGS)
 
static int  gbt_int2_ssup_cmp (Datum x, Datum y, SortSupport ssup)
 
Datum  gbt_int2_sortsupport (PG_FUNCTION_ARGS)
 

Variables

static const gbtree_ninfo  tinfo
 

Typedef Documentation

◆ int16KEY

typedef struct int16key int16KEY

Function Documentation

◆ gbt_int2_compress()

Datum gbt_int2_compress ( PG_FUNCTION_ARGS  )

Definition at line 121 of file btree_int2.c.

122{
123 GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
124
126}
static const gbtree_ninfo tinfo
Definition: btree_int2.c:80
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_int2_consistent()

Datum gbt_int2_consistent ( PG_FUNCTION_ARGS  )

Definition at line 137 of file btree_int2.c.

138{
139 GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
140 int16 query = PG_GETARG_INT16(1);
142
143 /* Oid subtype = PG_GETARG_OID(3); */
144 bool *recheck = (bool *) PG_GETARG_POINTER(4);
145 int16KEY *kkk = (int16KEY *) DatumGetPointer(entry->key);
147
148 /* All cases served by this function are exact */
149 *recheck = false;
150
151 key.lower = (GBT_NUMKEY *) &kkk->lower;
152 key.upper = (GBT_NUMKEY *) &kkk->upper;
153
154 PG_RETURN_BOOL(gbt_num_consistent(&key, &query, &strategy,
155 GIST_LEAF(entry), &tinfo, fcinfo->flinfo));
156}
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
int16_t int16
Definition: c.h:533
#define PG_GETARG_UINT16(n)
Definition: fmgr.h:272
#define PG_RETURN_BOOL(x)
Definition: fmgr.h:359
#define PG_GETARG_INT16(n)
Definition: fmgr.h:271
#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
int16 upper
Definition: btree_int2.c:15
int16 lower
Definition: btree_int2.c:14

References DatumGetPointer(), gbt_num_consistent(), GIST_LEAF, GISTENTRY::key, sort-test::key, int16key::lower, PG_GETARG_INT16, PG_GETARG_POINTER, PG_GETARG_UINT16, PG_RETURN_BOOL, tinfo, and int16key::upper.

◆ gbt_int2_dist()

static float8 gbt_int2_dist ( const void *  a,
const void *  b,
FmgrInfo *  flinfo 
)
static

Definition at line 74 of file btree_int2.c.

75{
76 return GET_FLOAT_DISTANCE(int16, a, b);
77}
#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_int2_distance()

Datum gbt_int2_distance ( PG_FUNCTION_ARGS  )

Definition at line 159 of file btree_int2.c.

160{
161 GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
162 int16 query = PG_GETARG_INT16(1);
163
164 /* Oid subtype = PG_GETARG_OID(3); */
165 int16KEY *kkk = (int16KEY *) DatumGetPointer(entry->key);
167
168 key.lower = (GBT_NUMKEY *) &kkk->lower;
169 key.upper = (GBT_NUMKEY *) &kkk->upper;
170
172 &tinfo, fcinfo->flinfo));
173}
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, int16key::lower, PG_GETARG_INT16, PG_GETARG_POINTER, PG_RETURN_FLOAT8, tinfo, and int16key::upper.

◆ gbt_int2_fetch()

Datum gbt_int2_fetch ( PG_FUNCTION_ARGS  )

Definition at line 129 of file btree_int2.c.

130{
131 GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
132
134}
GISTENTRY * gbt_num_fetch(GISTENTRY *entry, const gbtree_ninfo *tinfo)

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

◆ gbt_int2_penalty()

Datum gbt_int2_penalty ( PG_FUNCTION_ARGS  )

Definition at line 186 of file btree_int2.c.

187{
188 int16KEY *origentry = (int16KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
190 float *result = (float *) PG_GETARG_POINTER(2);
191
192 penalty_num(result, origentry->lower, origentry->upper, newentry->lower, newentry->upper);
193
194 PG_RETURN_POINTER(result);
195}
#define penalty_num(result, olower, oupper, nlower, nupper)

References DatumGetPointer(), sort-test::key, int16key::lower, penalty_num, PG_GETARG_POINTER, PG_RETURN_POINTER, and int16key::upper.

◆ gbt_int2_picksplit()

Datum gbt_int2_picksplit ( PG_FUNCTION_ARGS  )

Definition at line 198 of file btree_int2.c.

199{
202 &tinfo, fcinfo->flinfo));
203}
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_int2_same()

Datum gbt_int2_same ( PG_FUNCTION_ARGS  )

Definition at line 206 of file btree_int2.c.

207{
210 bool *result = (bool *) PG_GETARG_POINTER(2);
211
212 *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
213 PG_RETURN_POINTER(result);
214}
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_int2_sortsupport()

Datum gbt_int2_sortsupport ( PG_FUNCTION_ARGS  )

Definition at line 232 of file btree_int2.c.

233{
235
238}
static int gbt_int2_ssup_cmp(Datum x, Datum y, SortSupport ssup)
Definition: btree_int2.c:217
#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_int2_ssup_cmp(), PG_GETARG_POINTER, and PG_RETURN_VOID.

◆ gbt_int2_ssup_cmp()

static int gbt_int2_ssup_cmp ( Datum  x,
Datum  y,
SortSupport  ssup 
)
static

Definition at line 217 of file btree_int2.c.

218{
219 int16KEY *arg1 = (int16KEY *) DatumGetPointer(x);
220 int16KEY *arg2 = (int16KEY *) DatumGetPointer(y);
221
222 /* for leaf items we expect lower == upper, so only compare lower */
223 if (arg1->lower < arg2->lower)
224 return -1;
225 else if (arg1->lower > arg2->lower)
226 return 1;
227 else
228 return 0;
229}
y
int y
Definition: isn.c:76
x
int x
Definition: isn.c:75

References DatumGetPointer(), int16key::lower, x, and y.

Referenced by gbt_int2_sortsupport().

◆ gbt_int2_union()

Datum gbt_int2_union ( PG_FUNCTION_ARGS  )

Definition at line 176 of file btree_int2.c.

177{
179 void *out = palloc(sizeof(int16KEY));
180
181 *(int *) PG_GETARG_POINTER(1) = sizeof(int16KEY);
182 PG_RETURN_POINTER(gbt_num_union(out, entryvec, &tinfo, fcinfo->flinfo));
183}
struct int16key int16KEY
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_int2eq()

static bool gbt_int2eq ( const void *  a,
const void *  b,
FmgrInfo *  flinfo 
)
static

Definition at line 41 of file btree_int2.c.

42{
43 return (*((const int16 *) a) == *((const int16 *) b));
44}

References a, and b.

◆ gbt_int2ge()

static bool gbt_int2ge ( const void *  a,
const void *  b,
FmgrInfo *  flinfo 
)
static

Definition at line 36 of file btree_int2.c.

37{
38 return (*((const int16 *) a) >= *((const int16 *) b));
39}

References a, and b.

◆ gbt_int2gt()

static bool gbt_int2gt ( const void *  a,
const void *  b,
FmgrInfo *  flinfo 
)
static

Definition at line 31 of file btree_int2.c.

32{
33 return (*((const int16 *) a) > *((const int16 *) b));
34}

References a, and b.

◆ gbt_int2key_cmp()

static int gbt_int2key_cmp ( const void *  a,
const void *  b,
FmgrInfo *  flinfo 
)
static

Definition at line 57 of file btree_int2.c.

58{
59 int16KEY *ia = (int16KEY *) (((const Nsrt *) a)->t);
60 int16KEY *ib = (int16KEY *) (((const Nsrt *) b)->t);
61
62 if (ia->lower == ib->lower)
63 {
64 if (ia->upper == ib->upper)
65 return 0;
66
67 return (ia->upper > ib->upper) ? 1 : -1;
68 }
69
70 return (ia->lower > ib->lower) ? 1 : -1;
71}

References a, b, int16key::lower, and int16key::upper.

◆ gbt_int2le()

static bool gbt_int2le ( const void *  a,
const void *  b,
FmgrInfo *  flinfo 
)
static

Definition at line 46 of file btree_int2.c.

47{
48 return (*((const int16 *) a) <= *((const int16 *) b));
49}

References a, and b.

◆ gbt_int2lt()

static bool gbt_int2lt ( const void *  a,
const void *  b,
FmgrInfo *  flinfo 
)
static

Definition at line 51 of file btree_int2.c.

52{
53 return (*((const int16 *) a) < *((const int16 *) b));
54}

References a, and b.

◆ int2_dist()

Datum int2_dist ( PG_FUNCTION_ARGS  )

Definition at line 97 of file btree_int2.c.

98{
101 int16 r;
102 int16 ra;
103
104 if (pg_sub_s16_overflow(a, b, &r) ||
105 r == PG_INT16_MIN)
107 (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
108 errmsg("smallint out of range")));
109
110 ra = abs(r);
111
112 PG_RETURN_INT16(ra);
113}
#define PG_INT16_MIN
Definition: c.h:590
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_INT16(x)
Definition: fmgr.h:356
static bool pg_sub_s16_overflow(int16 a, int16 b, int16 *result)
Definition: int.h:85

References a, b, ereport, errcode(), errmsg(), ERROR, PG_GETARG_INT16, PG_INT16_MIN, PG_RETURN_INT16, and pg_sub_s16_overflow().

◆ PG_FUNCTION_INFO_V1() [1/10]

PG_FUNCTION_INFO_V1 ( gbt_int2_compress  )

◆ PG_FUNCTION_INFO_V1() [2/10]

PG_FUNCTION_INFO_V1 ( gbt_int2_consistent  )

◆ PG_FUNCTION_INFO_V1() [3/10]

PG_FUNCTION_INFO_V1 ( gbt_int2_distance  )

◆ PG_FUNCTION_INFO_V1() [4/10]

PG_FUNCTION_INFO_V1 ( gbt_int2_fetch  )

◆ PG_FUNCTION_INFO_V1() [5/10]

PG_FUNCTION_INFO_V1 ( gbt_int2_penalty  )

◆ PG_FUNCTION_INFO_V1() [6/10]

PG_FUNCTION_INFO_V1 ( gbt_int2_picksplit  )

◆ PG_FUNCTION_INFO_V1() [7/10]

PG_FUNCTION_INFO_V1 ( gbt_int2_same  )

◆ PG_FUNCTION_INFO_V1() [8/10]

PG_FUNCTION_INFO_V1 ( gbt_int2_sortsupport  )

◆ PG_FUNCTION_INFO_V1() [9/10]

PG_FUNCTION_INFO_V1 ( gbt_int2_union  )

◆ PG_FUNCTION_INFO_V1() [10/10]

PG_FUNCTION_INFO_V1 ( int2_dist  )

Variable Documentation

◆ tinfo

const gbtree_ninfo tinfo
static
Initial value:
=
{
sizeof(int16),
4,
}
@ gbt_t_int2
Definition: btree_gist.h:17
static bool gbt_int2lt(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int2.c:51
static bool gbt_int2le(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int2.c:46
static int gbt_int2key_cmp(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int2.c:57
static bool gbt_int2ge(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int2.c:36
static bool gbt_int2gt(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int2.c:31
static bool gbt_int2eq(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int2.c:41
static float8 gbt_int2_dist(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int2.c:74

Definition at line 80 of file btree_int2.c.

Referenced by gbt_int2_compress(), gbt_int2_consistent(), gbt_int2_distance(), gbt_int2_fetch(), gbt_int2_picksplit(), gbt_int2_same(), and gbt_int2_union().

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