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#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);
}
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