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#include "btree_gist.h"
#include "btree_utils_num.h"
#include "utils/cash.h"
typedef struct
{
Cash lower;
Cash upper;
} cashKEY;
/*
** Cash ops
*/
PG_FUNCTION_INFO_V1(gbt_cash_compress);
PG_FUNCTION_INFO_V1(gbt_cash_union);
PG_FUNCTION_INFO_V1(gbt_cash_picksplit);
PG_FUNCTION_INFO_V1(gbt_cash_consistent);
PG_FUNCTION_INFO_V1(gbt_cash_penalty);
PG_FUNCTION_INFO_V1(gbt_cash_same);
Datum gbt_cash_compress(PG_FUNCTION_ARGS);
Datum gbt_cash_union(PG_FUNCTION_ARGS);
Datum gbt_cash_picksplit(PG_FUNCTION_ARGS);
Datum gbt_cash_consistent(PG_FUNCTION_ARGS);
Datum gbt_cash_penalty(PG_FUNCTION_ARGS);
Datum gbt_cash_same(PG_FUNCTION_ARGS);
static bool
gbt_cashgt(const void *a, const void *b)
{
return (*((Cash *) a) > *((Cash *) b));
}
static bool
gbt_cashge(const void *a, const void *b)
{
return (*((Cash *) a) >= *((Cash *) b));
}
static bool
gbt_casheq(const void *a, const void *b)
{
return (*((Cash *) a) == *((Cash *) b));
}
static bool
gbt_cashle(const void *a, const void *b)
{
return (*((Cash *) a) <= *((Cash *) b));
}
static bool
gbt_cashlt(const void *a, const void *b)
{
return (*((Cash *) a) < *((Cash *) b));
}
static int
gbt_cashkey_cmp(const void *a, const void *b)
{
if (*(Cash *) &(((Nsrt *) a)->t[0]) > *(Cash *) &(((Nsrt *) b)->t[0]))
return 1;
else if (*(Cash *) &(((Nsrt *) a)->t[0]) < *(Cash *) &(((Nsrt *) b)->t[0]))
return -1;
return 0;
}
static const gbtree_ninfo tinfo =
{
gbt_t_cash,
sizeof(Cash),
gbt_cashgt,
gbt_cashge,
gbt_casheq,
gbt_cashle,
gbt_cashlt,
gbt_cashkey_cmp
};
/**************************************************
* Cash ops
**************************************************/
Datum
gbt_cash_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_cash_consistent(PG_FUNCTION_ARGS)
{
GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
Cash query = (*((Cash *) PG_GETARG_POINTER(1)));
cashKEY *kkk = (cashKEY *) 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_cash_union(PG_FUNCTION_ARGS)
{
GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
void *out = palloc(sizeof(cashKEY));
*(int *) PG_GETARG_POINTER(1) = sizeof(cashKEY);
PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo));
}
Datum
gbt_cash_penalty(PG_FUNCTION_ARGS)
{
cashKEY *origentry = (cashKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
cashKEY *newentry = (cashKEY *) 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_cash_picksplit(PG_FUNCTION_ARGS)
{
PG_RETURN_POINTER(gbt_num_picksplit(
(GistEntryVector *) PG_GETARG_POINTER(0),
(GIST_SPLITVEC *) PG_GETARG_POINTER(1),
&tinfo
));
}
Datum
gbt_cash_same(PG_FUNCTION_ARGS)
{
cashKEY *b1 = (cashKEY *) PG_GETARG_POINTER(0);
cashKEY *b2 = (cashKEY *) 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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