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btree_int2.c File Reference
#include "postgres.h"
#include "btree_gist.h"
#include "btree_utils_num.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)
 
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)
 

Variables

static const gbtree_ninfo tinfo
 

Typedef Documentation

Function Documentation

Datum gbt_int2_compress ( PG_FUNCTION_ARGS  )

Definition at line 120 of file btree_int2.c.

References gbt_num_compress(), PG_GETARG_POINTER, and PG_RETURN_POINTER.

121 {
122  GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
123 
125 }
#define PG_RETURN_POINTER(x)
Definition: fmgr.h:321
#define PG_GETARG_POINTER(n)
Definition: fmgr.h:241
GISTENTRY * gbt_num_compress(GISTENTRY *entry, const gbtree_ninfo *tinfo)
static const gbtree_ninfo tinfo
Definition: btree_int2.c:77
Datum gbt_int2_consistent ( PG_FUNCTION_ARGS  )

Definition at line 136 of file btree_int2.c.

References DatumGetPointer, gbt_num_consistent(), GIST_LEAF, GISTENTRY::key, int16key::lower, GBT_NUMKEY_R::lower, PG_GETARG_INT16, PG_GETARG_POINTER, PG_GETARG_UINT16, PG_RETURN_BOOL, int16key::upper, and GBT_NUMKEY_R::upper.

137 {
138  GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
139  int16 query = PG_GETARG_INT16(1);
141 
142  /* Oid subtype = PG_GETARG_OID(3); */
143  bool *recheck = (bool *) PG_GETARG_POINTER(4);
144  int16KEY *kkk = (int16KEY *) DatumGetPointer(entry->key);
145  GBT_NUMKEY_R key;
146 
147  /* All cases served by this function are exact */
148  *recheck = false;
149 
150  key.lower = (GBT_NUMKEY *) &kkk->lower;
151  key.upper = (GBT_NUMKEY *) &kkk->upper;
152 
154  gbt_num_consistent(&key, (void *) &query, &strategy, GIST_LEAF(entry), &tinfo, fcinfo->flinfo)
155  );
156 }
#define GIST_LEAF(entry)
Definition: gist.h:133
signed short int16
Definition: c.h:255
const GBT_NUMKEY * lower
uint16 StrategyNumber
Definition: stratnum.h:22
const GBT_NUMKEY * upper
#define PG_GETARG_POINTER(n)
Definition: fmgr.h:241
bool gbt_num_consistent(const GBT_NUMKEY_R *key, const void *query, const StrategyNumber *strategy, bool is_leaf, const gbtree_ninfo *tinfo, FmgrInfo *flinfo)
Datum key
Definition: gist.h:123
char GBT_NUMKEY
static const gbtree_ninfo tinfo
Definition: btree_int2.c:77
#define PG_RETURN_BOOL(x)
Definition: fmgr.h:319
int16 upper
Definition: btree_int2.c:12
#define PG_GETARG_INT16(n)
Definition: fmgr.h:236
int16 lower
Definition: btree_int2.c:11
#define PG_GETARG_UINT16(n)
Definition: fmgr.h:237
#define DatumGetPointer(X)
Definition: postgres.h:555
static float8 gbt_int2_dist ( const void *  a,
const void *  b,
FmgrInfo flinfo 
)
static

Definition at line 71 of file btree_int2.c.

References GET_FLOAT_DISTANCE.

72 {
73  return GET_FLOAT_DISTANCE(int16, a, b);
74 }
signed short int16
Definition: c.h:255
#define GET_FLOAT_DISTANCE(t, arg1, arg2)
Datum gbt_int2_distance ( PG_FUNCTION_ARGS  )

Definition at line 160 of file btree_int2.c.

References DatumGetPointer, gbt_num_distance(), GIST_LEAF, GISTENTRY::key, int16key::lower, GBT_NUMKEY_R::lower, PG_GETARG_INT16, PG_GETARG_POINTER, PG_RETURN_FLOAT8, int16key::upper, and GBT_NUMKEY_R::upper.

161 {
162  GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
163  int16 query = PG_GETARG_INT16(1);
164 
165  /* Oid subtype = PG_GETARG_OID(3); */
166  int16KEY *kkk = (int16KEY *) DatumGetPointer(entry->key);
167  GBT_NUMKEY_R key;
168 
169  key.lower = (GBT_NUMKEY *) &kkk->lower;
170  key.upper = (GBT_NUMKEY *) &kkk->upper;
171 
173  gbt_num_distance(&key, (void *) &query, GIST_LEAF(entry), &tinfo, fcinfo->flinfo)
174  );
175 }
#define GIST_LEAF(entry)
Definition: gist.h:133
signed short int16
Definition: c.h:255
const GBT_NUMKEY * lower
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:326
const GBT_NUMKEY * upper
#define PG_GETARG_POINTER(n)
Definition: fmgr.h:241
Datum key
Definition: gist.h:123
char GBT_NUMKEY
static const gbtree_ninfo tinfo
Definition: btree_int2.c:77
int16 upper
Definition: btree_int2.c:12
#define PG_GETARG_INT16(n)
Definition: fmgr.h:236
int16 lower
Definition: btree_int2.c:11
#define DatumGetPointer(X)
Definition: postgres.h:555
Datum gbt_int2_fetch ( PG_FUNCTION_ARGS  )

Definition at line 128 of file btree_int2.c.

References gbt_num_fetch(), PG_GETARG_POINTER, and PG_RETURN_POINTER.

129 {
130  GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
131 
133 }
#define PG_RETURN_POINTER(x)
Definition: fmgr.h:321
GISTENTRY * gbt_num_fetch(GISTENTRY *entry, const gbtree_ninfo *tinfo)
#define PG_GETARG_POINTER(n)
Definition: fmgr.h:241
static const gbtree_ninfo tinfo
Definition: btree_int2.c:77
Datum gbt_int2_penalty ( PG_FUNCTION_ARGS  )

Definition at line 190 of file btree_int2.c.

References DatumGetPointer, int16key::lower, penalty_num, PG_GETARG_POINTER, PG_RETURN_POINTER, result, and int16key::upper.

191 {
192  int16KEY *origentry = (int16KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
193  int16KEY *newentry = (int16KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
194  float *result = (float *) PG_GETARG_POINTER(2);
195 
196  penalty_num(result, origentry->lower, origentry->upper, newentry->lower, newentry->upper);
197 
198  PG_RETURN_POINTER(result);
199 }
#define PG_RETURN_POINTER(x)
Definition: fmgr.h:321
return result
Definition: formatting.c:1632
#define PG_GETARG_POINTER(n)
Definition: fmgr.h:241
#define penalty_num(result, olower, oupper, nlower, nupper)
int16 upper
Definition: btree_int2.c:12
int16 lower
Definition: btree_int2.c:11
#define DatumGetPointer(X)
Definition: postgres.h:555
Datum gbt_int2_picksplit ( PG_FUNCTION_ARGS  )

Definition at line 202 of file btree_int2.c.

References gbt_num_picksplit(), PG_GETARG_POINTER, and PG_RETURN_POINTER.

203 {
207  &tinfo, fcinfo->flinfo
208  ));
209 }
#define PG_RETURN_POINTER(x)
Definition: fmgr.h:321
#define PG_GETARG_POINTER(n)
Definition: fmgr.h:241
static const gbtree_ninfo tinfo
Definition: btree_int2.c:77
GIST_SPLITVEC * gbt_num_picksplit(const GistEntryVector *entryvec, GIST_SPLITVEC *v, const gbtree_ninfo *tinfo, FmgrInfo *flinfo)
Datum gbt_int2_same ( PG_FUNCTION_ARGS  )

Definition at line 212 of file btree_int2.c.

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

213 {
214  int16KEY *b1 = (int16KEY *) PG_GETARG_POINTER(0);
215  int16KEY *b2 = (int16KEY *) PG_GETARG_POINTER(1);
216  bool *result = (bool *) PG_GETARG_POINTER(2);
217 
218  *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
219  PG_RETURN_POINTER(result);
220 }
#define PG_RETURN_POINTER(x)
Definition: fmgr.h:321
bool gbt_num_same(const GBT_NUMKEY *a, const GBT_NUMKEY *b, const gbtree_ninfo *tinfo, FmgrInfo *flinfo)
return result
Definition: formatting.c:1632
#define PG_GETARG_POINTER(n)
Definition: fmgr.h:241
static const gbtree_ninfo tinfo
Definition: btree_int2.c:77
Datum gbt_int2_union ( PG_FUNCTION_ARGS  )

Definition at line 179 of file btree_int2.c.

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

180 {
182  void *out = palloc(sizeof(int16KEY));
183 
184  *(int *) PG_GETARG_POINTER(1) = sizeof(int16KEY);
185  PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo, fcinfo->flinfo));
186 }
#define PG_RETURN_POINTER(x)
Definition: fmgr.h:321
#define PG_GETARG_POINTER(n)
Definition: fmgr.h:241
static const gbtree_ninfo tinfo
Definition: btree_int2.c:77
struct int16key int16KEY
void * palloc(Size size)
Definition: mcxt.c:849
void * gbt_num_union(GBT_NUMKEY *out, const GistEntryVector *entryvec, const gbtree_ninfo *tinfo, FmgrInfo *flinfo)
static bool gbt_int2eq ( const void *  a,
const void *  b,
FmgrInfo flinfo 
)
static

Definition at line 38 of file btree_int2.c.

39 {
40  return (*((const int16 *) a) == *((const int16 *) b));
41 }
signed short int16
Definition: c.h:255
static bool gbt_int2ge ( const void *  a,
const void *  b,
FmgrInfo flinfo 
)
static

Definition at line 33 of file btree_int2.c.

34 {
35  return (*((const int16 *) a) >= *((const int16 *) b));
36 }
signed short int16
Definition: c.h:255
static bool gbt_int2gt ( const void *  a,
const void *  b,
FmgrInfo flinfo 
)
static

Definition at line 28 of file btree_int2.c.

29 {
30  return (*((const int16 *) a) > *((const int16 *) b));
31 }
signed short int16
Definition: c.h:255
static int gbt_int2key_cmp ( const void *  a,
const void *  b,
FmgrInfo flinfo 
)
static

Definition at line 54 of file btree_int2.c.

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

55 {
56  int16KEY *ia = (int16KEY *) (((const Nsrt *) a)->t);
57  int16KEY *ib = (int16KEY *) (((const Nsrt *) b)->t);
58 
59  if (ia->lower == ib->lower)
60  {
61  if (ia->upper == ib->upper)
62  return 0;
63 
64  return (ia->upper > ib->upper) ? 1 : -1;
65  }
66 
67  return (ia->lower > ib->lower) ? 1 : -1;
68 }
int16 upper
Definition: btree_int2.c:12
int16 lower
Definition: btree_int2.c:11
static bool gbt_int2le ( const void *  a,
const void *  b,
FmgrInfo flinfo 
)
static

Definition at line 43 of file btree_int2.c.

44 {
45  return (*((const int16 *) a) <= *((const int16 *) b));
46 }
signed short int16
Definition: c.h:255
static bool gbt_int2lt ( const void *  a,
const void *  b,
FmgrInfo flinfo 
)
static

Definition at line 48 of file btree_int2.c.

49 {
50  return (*((const int16 *) a) < *((const int16 *) b));
51 }
signed short int16
Definition: c.h:255
Datum int2_dist ( PG_FUNCTION_ARGS  )

Definition at line 94 of file btree_int2.c.

References Abs, ereport, errcode(), errmsg(), ERROR, PG_GETARG_INT16, PG_RETURN_INT16, and SAMESIGN.

95 {
96  int16 a = PG_GETARG_INT16(0);
97  int16 b = PG_GETARG_INT16(1);
98  int16 r;
99  int16 ra;
100 
101  r = a - b;
102  ra = Abs(r);
103 
104  /* Overflow check. */
105  if (ra < 0 || (!SAMESIGN(a, b) && !SAMESIGN(r, a)))
106  ereport(ERROR,
107  (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
108  errmsg("smallint out of range")));
109 
110  PG_RETURN_INT16(ra);
111 }
signed short int16
Definition: c.h:255
#define PG_RETURN_INT16(x)
Definition: fmgr.h:316
int errcode(int sqlerrcode)
Definition: elog.c:575
#define Abs(x)
Definition: c.h:812
#define ERROR
Definition: elog.h:43
#define ereport(elevel, rest)
Definition: elog.h:122
#define SAMESIGN(a, b)
#define PG_GETARG_INT16(n)
Definition: fmgr.h:236
int errmsg(const char *fmt,...)
Definition: elog.c:797
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 ( int2_dist  )

Variable Documentation

const gbtree_ninfo tinfo
static
Initial value:
=
{
sizeof(int16),
4,
}
signed short int16
Definition: c.h:255
static bool gbt_int2gt(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int2.c:28
static bool gbt_int2lt(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int2.c:48
static bool gbt_int2le(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int2.c:43
static float8 gbt_int2_dist(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int2.c:71
static bool gbt_int2eq(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int2.c:38
static int gbt_int2key_cmp(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int2.c:54
static bool gbt_int2ge(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int2.c:33

Definition at line 77 of file btree_int2.c.