ssize_t
bitToStr(char **dst, size_t *len, const bit *src, bool external)
{
atommem(6);
if (is_bit_nil(*src)) {
if (external) {
strcpy(*dst, "nil");
return 3;
}
strcpy(*dst, str_nil);
return 1;
}
if (*src) {
strcpy(*dst, "true");
return 4;
}
strcpy(*dst, "false");
return 5;
}
str
CMDifthen(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
{
BAT *b = NULL, *b1 = NULL, *b2 = NULL, *bn;
int tp0, tp1, tp2;
bat *ret;
BUN cnt = BUN_NONE;
(void) cntxt;
(void) mb;
if (pci->argc != 4)
throw(MAL, "batcalc.ifthen", "Operation not supported.");
ret = getArgReference_bat(stk, pci, 0);
tp0 = stk->stk[getArg(pci, 1)].vtype;
tp1 = stk->stk[getArg(pci, 2)].vtype;
tp2 = stk->stk[getArg(pci, 3)].vtype;
if (tp0 == TYPE_bat || isaBatType(tp0)) {
b = BATdescriptor(* getArgReference_bat(stk, pci, 1));
if (b == NULL)
throw(MAL, "batcalc.ifthenelse", SQLSTATE(HY002) RUNTIME_OBJECT_MISSING);
cnt = BATcount(b);
}
if (tp1 == TYPE_bat || isaBatType(tp1)) {
b1 = BATdescriptor(* getArgReference_bat(stk, pci, 2));
if (b1 == NULL) {
if (b)
BBPunfix(b->batCacheid);
throw(MAL, "batcalc.ifthenelse", SQLSTATE(HY002) RUNTIME_OBJECT_MISSING);
}
if (cnt == BUN_NONE)
cnt = BATcount(b1);
else if (BATcount(b1) != cnt) {
BBPunfix(b->batCacheid);
throw(MAL, "batcalc.ifthenelse", ILLEGAL_ARGUMENT);
}
}
if (tp2 == TYPE_bat || isaBatType(tp2)) {
b2 = BATdescriptor(* getArgReference_bat(stk, pci, 3));
if (b2 == NULL) {
if (b)
BBPunfix(b->batCacheid);
if (b1)
BBPunfix(b1->batCacheid);
throw(MAL, "batcalc.ifthenelse", SQLSTATE(HY002) RUNTIME_OBJECT_MISSING);
}
if (cnt == BUN_NONE)
cnt = BATcount(b2);
else if (BATcount(b2) != cnt) {
if (b)
BBPunfix(b->batCacheid);
if (b1)
BBPunfix(b1->batCacheid);
throw(MAL, "batcalc.ifthenelse", ILLEGAL_ARGUMENT);
}
}
if (b == NULL && b1 == NULL && b2 == NULL) {
/* at least one BAT required */
throw(MAL, "batcalc.ifthenelse", ILLEGAL_ARGUMENT);
}
if (b != NULL) {
if (b1 != NULL) {
if (b2 != NULL) {
bn = BATcalcifthenelse(b, b1, b2);
} else {
bn = BATcalcifthenelsecst(b, b1, &stk->stk[getArg(pci, 3)]);
}
} else {
if (b2 != NULL) {
bn = BATcalcifthencstelse(b, &stk->stk[getArg(pci, 2)], b2);
} else {
bn = BATcalcifthencstelsecst(b, &stk->stk[getArg(pci, 2)], &stk->stk[getArg(pci, 3)]);
}
}
} else {
bit v = *getArgReference_bit(stk, pci, 1);
if (is_bit_nil(v)) {
if (b1 != NULL)
bn = BATconstant(b1->hseqbase, b1->ttype, ATOMnilptr(b1->ttype), BATcount(b1), TRANSIENT);
else
bn = BATconstant(b2->hseqbase, b2->ttype, ATOMnilptr(b2->ttype), BATcount(b2), TRANSIENT);
} else if (v) {
if (b1 != NULL)
bn = COLcopy(b1, b1->ttype, 0, TRANSIENT);
else
bn = BATconstant(b2->hseqbase, b2->ttype, VALptr(&stk->stk[getArg(pci, 2)]), BATcount(b2), TRANSIENT);
} else {
if (b2 != NULL)
bn = COLcopy(b2, b2->ttype, 0, TRANSIENT);
else
bn = BATconstant(b1->hseqbase, b1->ttype, VALptr(&stk->stk[getArg(pci, 3)]), BATcount(b1), TRANSIENT);
}
}
if (b)
BBPunfix(b->batCacheid);
if (b1)
BBPunfix(b1->batCacheid);
if (b2)
BBPunfix(b2->batCacheid);
if (bn == NULL) {
return mythrow(MAL, "batcalc.ifthenelse", OPERATION_FAILED);
}
BBPkeepref(*ret = bn->batCacheid);
return MAL_SUCCEED;
}