mirror of
https://github.com/postgres/postgres.git
synced 2025-10-31 10:30:33 +03:00
156 lines
3.5 KiB
C
156 lines
3.5 KiB
C
#include "btree_gist.h"
|
|
#include "btree_utils_num.h"
|
|
|
|
typedef struct int64key
|
|
{
|
|
int64 lower;
|
|
int64 upper;
|
|
} int64KEY;
|
|
|
|
/*
|
|
** int64 ops
|
|
*/
|
|
PG_FUNCTION_INFO_V1(gbt_int8_compress);
|
|
PG_FUNCTION_INFO_V1(gbt_int8_union);
|
|
PG_FUNCTION_INFO_V1(gbt_int8_picksplit);
|
|
PG_FUNCTION_INFO_V1(gbt_int8_consistent);
|
|
PG_FUNCTION_INFO_V1(gbt_int8_penalty);
|
|
PG_FUNCTION_INFO_V1(gbt_int8_same);
|
|
|
|
Datum gbt_int8_compress(PG_FUNCTION_ARGS);
|
|
Datum gbt_int8_union(PG_FUNCTION_ARGS);
|
|
Datum gbt_int8_picksplit(PG_FUNCTION_ARGS);
|
|
Datum gbt_int8_consistent(PG_FUNCTION_ARGS);
|
|
Datum gbt_int8_penalty(PG_FUNCTION_ARGS);
|
|
Datum gbt_int8_same(PG_FUNCTION_ARGS);
|
|
|
|
|
|
static bool
|
|
gbt_int8gt(const void *a, const void *b)
|
|
{
|
|
return (*((int64 *) a) > *((int64 *) b));
|
|
}
|
|
static bool
|
|
gbt_int8ge(const void *a, const void *b)
|
|
{
|
|
return (*((int64 *) a) >= *((int64 *) b));
|
|
}
|
|
static bool
|
|
gbt_int8eq(const void *a, const void *b)
|
|
{
|
|
return (*((int64 *) a) == *((int64 *) b));
|
|
}
|
|
static bool
|
|
gbt_int8le(const void *a, const void *b)
|
|
{
|
|
return (*((int64 *) a) <= *((int64 *) b));
|
|
}
|
|
static bool
|
|
gbt_int8lt(const void *a, const void *b)
|
|
{
|
|
return (*((int64 *) a) < *((int64 *) b));
|
|
}
|
|
|
|
static int
|
|
gbt_int8key_cmp(const void *a, const void *b)
|
|
{
|
|
|
|
if (*(int64 *) &(((Nsrt *) a)->t[0]) > *(int64 *) &(((Nsrt *) b)->t[0]))
|
|
return 1;
|
|
else if (*(int64 *) &(((Nsrt *) a)->t[0]) < *(int64 *) &(((Nsrt *) b)->t[0]))
|
|
return -1;
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
static const gbtree_ninfo tinfo =
|
|
{
|
|
gbt_t_int8,
|
|
sizeof(int64),
|
|
gbt_int8gt,
|
|
gbt_int8ge,
|
|
gbt_int8eq,
|
|
gbt_int8le,
|
|
gbt_int8lt,
|
|
gbt_int8key_cmp
|
|
};
|
|
|
|
|
|
/**************************************************
|
|
* int64 ops
|
|
**************************************************/
|
|
|
|
|
|
Datum
|
|
gbt_int8_compress(PG_FUNCTION_ARGS)
|
|
{
|
|
GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
|
|
GISTENTRY *retval = NULL;
|
|
|
|
PG_RETURN_POINTER(gbt_num_compress(retval, entry, &tinfo));
|
|
}
|
|
|
|
|
|
Datum
|
|
gbt_int8_consistent(PG_FUNCTION_ARGS)
|
|
{
|
|
GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
|
|
int64 query = PG_GETARG_INT64(1);
|
|
int64KEY *kkk = (int64KEY *) DatumGetPointer(entry->key);
|
|
GBT_NUMKEY_R key;
|
|
StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
|
|
|
|
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)
|
|
);
|
|
}
|
|
|
|
|
|
Datum
|
|
gbt_int8_union(PG_FUNCTION_ARGS)
|
|
{
|
|
GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
|
|
void *out = palloc(sizeof(int64KEY));
|
|
|
|
*(int *) PG_GETARG_POINTER(1) = sizeof(int64KEY);
|
|
PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo));
|
|
}
|
|
|
|
|
|
Datum
|
|
gbt_int8_penalty(PG_FUNCTION_ARGS)
|
|
{
|
|
int64KEY *origentry = (int64KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
|
|
int64KEY *newentry = (int64KEY *) 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_int8_picksplit(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_RETURN_POINTER(gbt_num_picksplit(
|
|
(GistEntryVector *) PG_GETARG_POINTER(0),
|
|
(GIST_SPLITVEC *) PG_GETARG_POINTER(1),
|
|
&tinfo
|
|
));
|
|
}
|
|
|
|
Datum
|
|
gbt_int8_same(PG_FUNCTION_ARGS)
|
|
{
|
|
int64KEY *b1 = (int64KEY *) PG_GETARG_POINTER(0);
|
|
int64KEY *b2 = (int64KEY *) PG_GETARG_POINTER(1);
|
|
bool *result = (bool *) PG_GETARG_POINTER(2);
|
|
|
|
*result = gbt_num_same((void *) b1, (void *) b2, &tinfo);
|
|
PG_RETURN_POINTER(result);
|
|
}
|