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btree_int2.c File Reference
#include "postgres.h"
#include "btree_gist.h"
#include "btree_utils_num.h"
#include "common/int.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

◆ int16KEY

typedef struct int16key int16KEY

Function Documentation

◆ gbt_int2_compress()

Datum gbt_int2_compress ( PG_FUNCTION_ARGS  )

Definition at line 120 of file btree_int2.c.

121{
122 GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
123
125}
static const gbtree_ninfo tinfo
Definition: btree_int2.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

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 136 of file btree_int2.c.

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);
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
153 PG_RETURN_BOOL(gbt_num_consistent(&key, &query, &strategy,
154 GIST_LEAF(entry), &tinfo, fcinfo->flinfo));
155}
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:480
#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:170
static Pointer DatumGetPointer(Datum X)
Definition: postgres.h:312
uint16 StrategyNumber
Definition: stratnum.h:22
Datum key
Definition: gist.h:160
int16 upper
Definition: btree_int2.c:13
int16 lower
Definition: btree_int2.c:12

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 72 of file btree_int2.c.

73{
74 return GET_FLOAT_DISTANCE(int16, a, b);
75}
#define GET_FLOAT_DISTANCE(t, arg1, arg2)
int b
Definition: isn.c:69
int a
Definition: isn.c:68

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 128 of file btree_int2.c.

129{
130 GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
131
133}
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 188 of file btree_int2.c.

189{
190 int16KEY *origentry = (int16KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
192 float *result = (float *) PG_GETARG_POINTER(2);
193
194 penalty_num(result, origentry->lower, origentry->upper, newentry->lower, newentry->upper);
195
196 PG_RETURN_POINTER(result);
197}
#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 200 of file btree_int2.c.

201{
204 &tinfo, fcinfo->flinfo));
205}
GIST_SPLITVEC * gbt_num_picksplit(const GistEntryVector *entryvec, GIST_SPLITVEC *v, const gbtree_ninfo *tinfo, FmgrInfo *flinfo)

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 208 of file btree_int2.c.

209{
212 bool *result = (bool *) PG_GETARG_POINTER(2);
213
214 *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
215 PG_RETURN_POINTER(result);
216}
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_union()

Datum gbt_int2_union ( PG_FUNCTION_ARGS  )

Definition at line 177 of file btree_int2.c.

178{
180 void *out = palloc(sizeof(int16KEY));
181
182 *(int *) PG_GETARG_POINTER(1) = sizeof(int16KEY);
183 PG_RETURN_POINTER(gbt_num_union(out, entryvec, &tinfo, fcinfo->flinfo));
184}
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:1317

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 39 of file btree_int2.c.

40{
41 return (*((const int16 *) a) == *((const int16 *) b));
42}

References a, and b.

◆ gbt_int2ge()

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

Definition at line 34 of file btree_int2.c.

35{
36 return (*((const int16 *) a) >= *((const int16 *) b));
37}

References a, and b.

◆ gbt_int2gt()

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

Definition at line 29 of file btree_int2.c.

30{
31 return (*((const int16 *) a) > *((const int16 *) b));
32}

References a, and b.

◆ gbt_int2key_cmp()

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

Definition at line 55 of file btree_int2.c.

56{
57 int16KEY *ia = (int16KEY *) (((const Nsrt *) a)->t);
58 int16KEY *ib = (int16KEY *) (((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, int16key::lower, and int16key::upper.

◆ gbt_int2le()

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

Definition at line 44 of file btree_int2.c.

45{
46 return (*((const int16 *) a) <= *((const int16 *) b));
47}

References a, and b.

◆ gbt_int2lt()

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

Definition at line 49 of file btree_int2.c.

50{
51 return (*((const int16 *) a) < *((const int16 *) b));
52}

References a, and b.

◆ int2_dist()

Datum int2_dist ( PG_FUNCTION_ARGS  )

Definition at line 95 of file btree_int2.c.

96{
99 int16 r;
100 int16 ra;
101
102 if (pg_sub_s16_overflow(a, b, &r) ||
103 r == PG_INT16_MIN)
105 (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
106 errmsg("smallint out of range")));
107
108 ra = abs(r);
109
110 PG_RETURN_INT16(ra);
111}
#define PG_INT16_MIN
Definition: c.h:539
int errcode(int sqlerrcode)
Definition: elog.c:853
int errmsg(const char *fmt,...)
Definition: elog.c:1070
#define ERROR
Definition: elog.h:39
#define ereport(elevel,...)
Definition: elog.h:149
#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() [1/9]

PG_FUNCTION_INFO_V1 ( gbt_int2_compress  )

◆ PG_FUNCTION_INFO_V1() [2/9]

PG_FUNCTION_INFO_V1 ( gbt_int2_consistent  )

◆ PG_FUNCTION_INFO_V1() [3/9]

PG_FUNCTION_INFO_V1 ( gbt_int2_distance  )

◆ PG_FUNCTION_INFO_V1() [4/9]

PG_FUNCTION_INFO_V1 ( gbt_int2_fetch  )

◆ PG_FUNCTION_INFO_V1() [5/9]

PG_FUNCTION_INFO_V1 ( gbt_int2_penalty  )

◆ PG_FUNCTION_INFO_V1() [6/9]

PG_FUNCTION_INFO_V1 ( gbt_int2_picksplit  )

◆ PG_FUNCTION_INFO_V1() [7/9]

PG_FUNCTION_INFO_V1 ( gbt_int2_same  )

◆ PG_FUNCTION_INFO_V1() [8/9]

PG_FUNCTION_INFO_V1 ( gbt_int2_union  )

◆ PG_FUNCTION_INFO_V1() [9/9]

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:49
static bool gbt_int2le(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int2.c:44
static int gbt_int2key_cmp(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int2.c:55
static bool gbt_int2ge(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int2.c:34
static bool gbt_int2gt(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int2.c:29
static bool gbt_int2eq(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int2.c:39
static float8 gbt_int2_dist(const void *a, const void *b, FmgrInfo *flinfo)
Definition: btree_int2.c:72

Definition at line 78 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().