/*
* Accelerator Control
*/
str
BKCsetHash(bit *ret, const bat *bid)
{
BAT *b;
(void) ret;
if ((b = BATdescriptor(*bid)) == NULL) {
throw(MAL, "bat.setHash", RUNTIME_OBJECT_MISSING);
}
*ret = BAThash(b, 0) == GDK_SUCCEED;
BBPunfix(b->batCacheid);
return MAL_SUCCEED;
}
/* returns table rids, for the given select ranges */
static rids *
rids_select( sql_trans *tr, sql_column *key, const void *key_value_low, const void *key_value_high, ...)
{
va_list va;
BAT *b = NULL, *r = NULL, *s = NULL;
rids *rs = ZNEW(rids);
const void *kvl = key_value_low, *kvh = key_value_high;
/* if pointers are equal, make it an inclusive select */
bool hi = key_value_low == key_value_high;
if(!rs)
return NULL;
s = delta_cands(tr, key->t);
if (s == NULL) {
GDKfree(rs);
return NULL;
}
b = full_column(tr, key);
if (b == NULL) {
bat_destroy(s);
GDKfree(rs);
return NULL;
}
if (!kvl)
kvl = ATOMnilptr(b->ttype);
if (!kvh && kvl != ATOMnilptr(b->ttype))
kvh = ATOMnilptr(b->ttype);
if (key_value_low) {
BAThash(b);
r = BATselect(b, s, kvl, kvh, true, hi, false);
bat_destroy(s);
s = r;
}
full_destroy(key, b);
if (s == NULL) {
GDKfree(rs);
return NULL;
}
if (key_value_low || key_value_high) {
va_start(va, key_value_high);
while ((key = va_arg(va, sql_column *)) != NULL) {
kvl = va_arg(va, void *);
kvh = va_arg(va, void *);
b = full_column(tr, key);
if (!kvl)
kvl = ATOMnilptr(b->ttype);
if (!kvh && kvl != ATOMnilptr(b->ttype))
kvh = ATOMnilptr(b->ttype);
assert(kvh);
r = BATselect(b, s, kvl, kvh, true, hi, false);
bat_destroy(s);
s = r;
full_destroy(key, b);
if (s == NULL) {
GDKfree(rs);
va_end(va);
return NULL;
}
}
va_end(va);
}
