Datum
gsfp_consistent(PG_FUNCTION_ARGS)
{
GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
bool *recheck = (bool *) PG_GETARG_POINTER(4);
bytea *key = (bytea*)DatumGetPointer(entry->key);
bytea *query;
MolSparseFingerPrint data;
fcinfo->flinfo->fn_extra = SearchSparseFPCache(
fcinfo->flinfo->fn_extra,
fcinfo->flinfo->fn_mcxt,
PG_GETARG_DATUM(1),
NULL, &data, &query);
*recheck = true; /* we use signature, so it's needed to recheck */
if (ISALLTRUE(key) && !GIST_LEAF(entry))
{
PG_RETURN_BOOL(true);
}
else
{
int sum,
overlapSum,
overlapN;
countOverlapValues(
(ISALLTRUE(key)) ? NULL : key, data, NUMBITS,
&sum, &overlapSum, &overlapN
);
PG_RETURN_BOOL(
calcConsistency(
GIST_LEAF(entry), strategy,
overlapSum, /* nCommonUp */
overlapN, /* nCommonDown */
(ISALLTRUE(key)) ? NUMBITS : sizebitvec(key), /* nKey */
sum /* nQuery */
)
);
}
}
Datum
gsfp_consistent(PG_FUNCTION_ARGS)
{
GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
bool *recheck = (bool *) PG_GETARG_POINTER(4);
bytea *key = (bytea*)DatumGetPointer(entry->key);
bytea *query;
CSfp data;
fcinfo->flinfo->fn_extra = searchSfpCache(
fcinfo->flinfo->fn_extra,
fcinfo->flinfo->fn_mcxt,
PG_GETARG_DATUM(1),
NULL, &data, &query);
*recheck = true; /* we use signature, so it's needed to recheck */
if (ISALLTRUE(key) && !GIST_LEAF(entry)) {
PG_RETURN_BOOL(true);
}
int sum, overlapSum, overlapN;
countOverlapValues(
(ISALLTRUE(key)) ? NULL : key, data, NUMBITS,
&sum, &overlapSum, &overlapN
);
int nKey = (ISALLTRUE(key)) ?
NUMBITS : bitstringWeight(SIGLEN(key), (uint8 *)VARDATA(key));
PG_RETURN_BOOL(calcConsistency(
GIST_LEAF(entry), strategy,
overlapSum, /* nCommonUp */
overlapN, /* nCommonDown */
nKey,
sum /* nQuery */
));
}
