/*
* Produce a debugging string describing an NValue.
*/
std::string NValue::debug() const {
const ValueType type = getValueType();
if (isNull()) {
return "<NULL>";
}
std::ostringstream buffer;
std::string out_val;
const char* ptr;
int64_t addr;
buffer << getTypeName(type) << "::";
switch (type) {
case VALUE_TYPE_BOOLEAN:
buffer << (getBoolean() ? "true" : "false");
break;
case VALUE_TYPE_TINYINT:
buffer << static_cast<int32_t>(getTinyInt());
break;
case VALUE_TYPE_SMALLINT:
buffer << getSmallInt();
break;
case VALUE_TYPE_INTEGER:
buffer << getInteger();
break;
case VALUE_TYPE_BIGINT:
case VALUE_TYPE_TIMESTAMP:
buffer << getBigInt();
break;
case VALUE_TYPE_DOUBLE:
buffer << getDouble();
break;
case VALUE_TYPE_VARCHAR:
ptr = reinterpret_cast<const char*>(getObjectValue_withoutNull());
addr = reinterpret_cast<int64_t>(ptr);
out_val = std::string(ptr, getObjectLength_withoutNull());
buffer << "[" << getObjectLength_withoutNull() << "]";
buffer << "\"" << out_val << "\"[@" << addr << "]";
break;
case VALUE_TYPE_VARBINARY:
ptr = reinterpret_cast<const char*>(getObjectValue_withoutNull());
addr = reinterpret_cast<int64_t>(ptr);
out_val = std::string(ptr, getObjectLength_withoutNull());
buffer << "[" << getObjectLength_withoutNull() << "]";
buffer << "-bin[@" << addr << "]";
break;
case VALUE_TYPE_DECIMAL:
buffer << createStringFromDecimal();
break;
default:
buffer << "(no details)";
break;
}
std::string ret(buffer.str());
return (ret);
}
const NValue& NValue::itemAtIndex(int index) const
{
assert(m_valueType == VALUE_TYPE_ARRAY);
const NValueList* listOfNValues = reinterpret_cast<const NValueList*>(getObjectValue_withoutNull());
assert(index >= 0);
assert(index < listOfNValues->m_length);
return listOfNValues->m_values[index];
}
void NValue::setArrayElements(std::vector<NValue> &args) const
{
assert(m_valueType == VALUE_TYPE_ARRAY);
NValueList* listOfNValues = const_cast<NValueList*>(
reinterpret_cast<const NValueList*>(getObjectValue_withoutNull()));
// Assign each of the elements.
int ii = (int)args.size();
assert(ii == listOfNValues->m_length);
while (ii--) {
listOfNValues->m_values[ii] = args[ii];
}
//TODO: An O(ln(length)) implementation vs. the current O(length) implementation of NValue::inList
// would likely require some kind of sorting/re-org of values at this point post-update pre-lookup.
}
int NValue::arrayLength() const
{
assert(m_valueType == VALUE_TYPE_ARRAY);
const NValueList* listOfNValues = reinterpret_cast<const NValueList*>(getObjectValue_withoutNull());
return static_cast<int>(listOfNValues->m_length);
}
