Datum
gts_penalty(PG_FUNCTION_ARGS)
{
TSKEY *origentry = (TSKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
TSKEY *newentry = (TSKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
float *result = (float *) PG_GETARG_POINTER(2);
Interval *intr;
intr = DatumGetIntervalP(DirectFunctionCall2(
timestamp_mi,
TimestampGetDatumFast(newentry->upper),
TimestampGetDatumFast(origentry->upper)));
/* see interval_larger */
*result = Max(intr->time + intr->month * (30.0 * 86400), 0);
pfree(intr);
intr = DatumGetIntervalP(DirectFunctionCall2(
timestamp_mi,
TimestampGetDatumFast(origentry->lower),
TimestampGetDatumFast(newentry->lower)));
/* see interval_larger */
*result += Max(intr->time + intr->month * (30.0 * 86400), 0);
pfree(intr);
PG_RETURN_POINTER(result);
}
static bool
gbt_tslt(const void *a, const void *b)
{
const Timestamp *aa = (const Timestamp *) a;
const Timestamp *bb = (const Timestamp *) b;
return DatumGetBool(DirectFunctionCall2(timestamp_lt,
TimestampGetDatumFast(*aa),
TimestampGetDatumFast(*bb)));
}
static bool
gbt_tsle(const void *a, const void *b, FmgrInfo *flinfo)
{
const Timestamp *aa = (const Timestamp *) a;
const Timestamp *bb = (const Timestamp *) b;
return DatumGetBool(DirectFunctionCall2(timestamp_le,
TimestampGetDatumFast(*aa),
TimestampGetDatumFast(*bb)));
}
static int
tskey_cmp(const void *a, const void *b)
{
return DatumGetInt32(
DirectFunctionCall2(
timestamp_cmp,
TimestampGetDatumFast(((TSKEY *) (((RIX *) a)->r))->lower),
TimestampGetDatumFast(((TSKEY *) (((RIX *) b)->r))->lower)
)
);
}
static int
gbt_tskey_cmp(const void *a, const void *b)
{
tsKEY *ia = (tsKEY *) (((const Nsrt *) a)->t);
tsKEY *ib = (tsKEY *) (((const Nsrt *) b)->t);
int res;
res = DatumGetInt32(DirectFunctionCall2(timestamp_cmp, TimestampGetDatumFast(ia->lower), TimestampGetDatumFast(ib->lower)));
if (res == 0)
return DatumGetInt32(DirectFunctionCall2(timestamp_cmp, TimestampGetDatumFast(ia->upper), TimestampGetDatumFast(ib->upper)));
return res;
}
static float8
gbt_ts_dist(const void *a, const void *b)
{
const Timestamp *aa = (const Timestamp *) a;
const Timestamp *bb = (const Timestamp *) b;
Interval *i;
if (TIMESTAMP_NOT_FINITE(*aa) || TIMESTAMP_NOT_FINITE(*bb))
return get_float8_infinity();
i = DatumGetIntervalP(DirectFunctionCall2(timestamp_mi,
TimestampGetDatumFast(*aa),
TimestampGetDatumFast(*bb)));
return (float8) Abs(INTERVAL_TO_SEC(i));
}
