#include "postgres.h"
#include "btree_gist.h"
#include "btree_utils_num.h"

Include dependency graph for btree_int2.c:

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

typedef struct int16key int16KEY

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.

 {
     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
 
     PG_RETURN_POINTER(gbt_num_compress(entry, &tinfo));
 }

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.

 {
     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     int16       query = PG_GETARG_INT16(1);
     StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
 
     /* Oid      subtype = PG_GETARG_OID(3); */
     bool       *recheck = (bool *) PG_GETARG_POINTER(4);
     int16KEY   *kkk = (int16KEY *) DatumGetPointer(entry->key);
     GBT_NUMKEY_R key;
 
     /* All cases served by this function are exact */
     *recheck = false;
 
     key.lower = (GBT_NUMKEY *) &kkk->lower;
     key.upper = (GBT_NUMKEY *) &kkk->upper;
 
     PG_RETURN_BOOL(
                    gbt_num_consistent(&key, (void *) &query, &strategy, GIST_LEAF(entry), &tinfo, fcinfo->flinfo)
         );
 }

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.

 {
     return GET_FLOAT_DISTANCE(int16, a, b);
 }

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.

 {
     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     int16       query = PG_GETARG_INT16(1);
 
     /* Oid      subtype = PG_GETARG_OID(3); */
     int16KEY   *kkk = (int16KEY *) DatumGetPointer(entry->key);
     GBT_NUMKEY_R key;
 
     key.lower = (GBT_NUMKEY *) &kkk->lower;
     key.upper = (GBT_NUMKEY *) &kkk->upper;
 
     PG_RETURN_FLOAT8(
                      gbt_num_distance(&key, (void *) &query, GIST_LEAF(entry), &tinfo, fcinfo->flinfo)
         );
 }

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.

 {
     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
 
     PG_RETURN_POINTER(gbt_num_fetch(entry, &tinfo));
 }

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.

 {
     int16KEY   *origentry = (int16KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
     int16KEY   *newentry = (int16KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
     float      *result = (float *) PG_GETARG_POINTER(2);
 
     penalty_num(result, origentry->lower, origentry->upper, newentry->lower, newentry->upper);
 
     PG_RETURN_POINTER(result);
 }

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.

 {
     PG_RETURN_POINTER(gbt_num_picksplit(
                                         (GistEntryVector *) PG_GETARG_POINTER(0),
                                         (GIST_SPLITVEC *) PG_GETARG_POINTER(1),
                                         &tinfo, fcinfo->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.

 {
     int16KEY   *b1 = (int16KEY *) PG_GETARG_POINTER(0);
     int16KEY   *b2 = (int16KEY *) PG_GETARG_POINTER(1);
     bool       *result = (bool *) PG_GETARG_POINTER(2);
 
     *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
     PG_RETURN_POINTER(result);
 }

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.

 {
     GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
     void       *out = palloc(sizeof(int16KEY));
 
     *(int *) PG_GETARG_POINTER(1) = sizeof(int16KEY);
     PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo, fcinfo->flinfo));
 }

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

static

Definition at line 38 of file btree_int2.c.

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

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

static

Definition at line 33 of file btree_int2.c.

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

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

static

Definition at line 28 of file btree_int2.c.

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

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.

 {
     int16KEY   *ia = (int16KEY *) (((const Nsrt *) a)->t);
     int16KEY   *ib = (int16KEY *) (((const Nsrt *) b)->t);
 
     if (ia->lower == ib->lower)
     {
         if (ia->upper == ib->upper)
             return 0;
 
         return (ia->upper > ib->upper) ? 1 : -1;
     }
 
     return (ia->lower > ib->lower) ? 1 : -1;
 }

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

static

Definition at line 43 of file btree_int2.c.

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

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

static

Definition at line 48 of file btree_int2.c.

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

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.

 {
     int16       a = PG_GETARG_INT16(0);
     int16       b = PG_GETARG_INT16(1);
     int16       r;
     int16       ra;
 
     r = a - b;
     ra = Abs(r);
 
     /* Overflow check. */
     if (ra < 0 || (!SAMESIGN(a, b) && !SAMESIGN(r, a)))
         ereport(ERROR,
                 (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
                  errmsg("smallint out of range")));
 
     PG_RETURN_INT16(ra);
 }

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:

=
{
    gbt_t_int2,
    sizeof(int16),
    4,                          
    gbt_int2gt,
    gbt_int2ge,
    gbt_int2eq,
    gbt_int2le,
    gbt_int2lt,
    gbt_int2key_cmp,
    gbt_int2_dist
}

Definition at line 77 of file btree_int2.c.

Data Structures

Typedefs

Functions

Variables

Typedef Documentation

Function Documentation

Variable Documentation