mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-11-27 07:21:09 +08:00
157 lines
3.4 KiB
C
157 lines
3.4 KiB
C
#include "btree_gist.h"
|
|
#include "btree_utils_num.h"
|
|
|
|
typedef struct
|
|
{
|
|
Oid lower;
|
|
Oid upper;
|
|
} oidKEY;
|
|
|
|
/*
|
|
** OID ops
|
|
*/
|
|
PG_FUNCTION_INFO_V1(gbt_oid_compress);
|
|
PG_FUNCTION_INFO_V1(gbt_oid_union);
|
|
PG_FUNCTION_INFO_V1(gbt_oid_picksplit);
|
|
PG_FUNCTION_INFO_V1(gbt_oid_consistent);
|
|
PG_FUNCTION_INFO_V1(gbt_oid_penalty);
|
|
PG_FUNCTION_INFO_V1(gbt_oid_same);
|
|
|
|
Datum gbt_oid_compress(PG_FUNCTION_ARGS);
|
|
Datum gbt_oid_union(PG_FUNCTION_ARGS);
|
|
Datum gbt_oid_picksplit(PG_FUNCTION_ARGS);
|
|
Datum gbt_oid_consistent(PG_FUNCTION_ARGS);
|
|
Datum gbt_oid_penalty(PG_FUNCTION_ARGS);
|
|
Datum gbt_oid_same(PG_FUNCTION_ARGS);
|
|
|
|
|
|
static bool
|
|
gbt_oidgt(const void *a, const void *b)
|
|
{
|
|
return (*((Oid *) a) > *((Oid *) b));
|
|
}
|
|
static bool
|
|
gbt_oidge(const void *a, const void *b)
|
|
{
|
|
return (*((Oid *) a) >= *((Oid *) b));
|
|
}
|
|
static bool
|
|
gbt_oideq(const void *a, const void *b)
|
|
{
|
|
return (*((Oid *) a) == *((Oid *) b));
|
|
}
|
|
static bool
|
|
gbt_oidle(const void *a, const void *b)
|
|
{
|
|
return (*((Oid *) a) <= *((Oid *) b));
|
|
}
|
|
static bool
|
|
gbt_oidlt(const void *a, const void *b)
|
|
{
|
|
return (*((Oid *) a) < *((Oid *) b));
|
|
}
|
|
|
|
static int
|
|
gbt_oidkey_cmp(const void *a, const void *b)
|
|
{
|
|
|
|
if (*(Oid *) &(((Nsrt *) a)->t[0]) > *(Oid *) &(((Nsrt *) b)->t[0]))
|
|
return 1;
|
|
else if (*(Oid *) &(((Nsrt *) a)->t[0]) < *(Oid *) &(((Nsrt *) b)->t[0]))
|
|
return -1;
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
static const gbtree_ninfo tinfo =
|
|
{
|
|
gbt_t_oid,
|
|
sizeof(Oid),
|
|
gbt_oidgt,
|
|
gbt_oidge,
|
|
gbt_oideq,
|
|
gbt_oidle,
|
|
gbt_oidlt,
|
|
gbt_oidkey_cmp
|
|
};
|
|
|
|
|
|
/**************************************************
|
|
* Oid ops
|
|
**************************************************/
|
|
|
|
|
|
Datum
|
|
gbt_oid_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_oid_consistent(PG_FUNCTION_ARGS)
|
|
{
|
|
|
|
GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
|
|
Oid query = PG_GETARG_OID(1);
|
|
oidKEY *kkk = (oidKEY *) 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_oid_union(PG_FUNCTION_ARGS)
|
|
{
|
|
GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
|
|
void *out = palloc(sizeof(oidKEY));
|
|
|
|
*(int *) PG_GETARG_POINTER(1) = sizeof(oidKEY);
|
|
PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo));
|
|
}
|
|
|
|
|
|
Datum
|
|
gbt_oid_penalty(PG_FUNCTION_ARGS)
|
|
{
|
|
oidKEY *origentry = (oidKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
|
|
oidKEY *newentry = (oidKEY *) 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_oid_picksplit(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_RETURN_POINTER(gbt_num_picksplit(
|
|
(GistEntryVector *) PG_GETARG_POINTER(0),
|
|
(GIST_SPLITVEC *) PG_GETARG_POINTER(1),
|
|
&tinfo
|
|
));
|
|
}
|
|
|
|
Datum
|
|
gbt_oid_same(PG_FUNCTION_ARGS)
|
|
{
|
|
oidKEY *b1 = (oidKEY *) PG_GETARG_POINTER(0);
|
|
oidKEY *b2 = (oidKEY *) PG_GETARG_POINTER(1);
|
|
bool *result = (bool *) PG_GETARG_POINTER(2);
|
|
|
|
*result = gbt_num_same((void *) b1, (void *) b2, &tinfo);
|
|
PG_RETURN_POINTER(result);
|
|
}
|