TupleSchema* TupleSchema::createTupleSchema(const std::vector<ValueType>& columnTypes,
const std::vector<int32_t>& columnSizes,
const std::vector<bool>& allowNull,
const std::vector<bool>& columnInBytes,
const std::vector<ValueType>& hiddenColumnTypes,
const std::vector<int32_t>& hiddenColumnSizes,
const std::vector<bool>& hiddenAllowNull,
const std::vector<bool>& hiddenColumnInBytes)
{
const uint16_t uninlineableObjectColumnCount =
TupleSchema::countUninlineableObjectColumns(columnTypes, columnSizes, columnInBytes);
const uint16_t columnCount = static_cast<uint16_t>(columnTypes.size());
const uint16_t hiddenColumnCount = static_cast<uint16_t>(hiddenColumnTypes.size());
int memSize = memSizeForTupleSchema(columnCount,
uninlineableObjectColumnCount,
hiddenColumnCount);
// allocate the set amount of memory and cast it to a tuple pointer
TupleSchema *retval = reinterpret_cast<TupleSchema*>(new char[memSize]);
// clear all the offset values
memset(retval, 0, memSize);
retval->m_columnCount = columnCount;
retval->m_uninlinedObjectColumnCount = uninlineableObjectColumnCount;
retval->m_hiddenColumnCount = hiddenColumnCount;
retval->m_isHeaderless = false;
uint16_t uninlinedObjectColumnIndex = 0;
for (uint16_t ii = 0; ii < columnCount; ii++) {
const ValueType type = columnTypes[ii];
const uint32_t length = columnSizes[ii];
const bool columnAllowNull = allowNull[ii];
const bool inBytes = columnInBytes[ii];
retval->setColumnMetaData(ii, type, length, columnAllowNull, uninlinedObjectColumnIndex, inBytes);
}
for (uint16_t ii = 0; ii < hiddenColumnCount; ++ii) {
const ValueType type = hiddenColumnTypes[ii];
const uint32_t length = hiddenColumnSizes[ii];
const bool columnAllowNull = hiddenAllowNull[ii];
const bool inBytes = hiddenColumnInBytes[ii];
// We can't allow uninlineable data in hidden columns yet
if (! isInlineable(type, length, inBytes)) {
throwFatalLogicErrorStreamed("Attempt to create uninlineable hidden column");
}
retval->setColumnMetaData(static_cast<uint16_t>(columnCount + ii),
type,
length,
columnAllowNull,
uninlinedObjectColumnIndex,
inBytes);
}
return retval;
}
TupleSchema* TupleSchema::createTupleSchema(const TupleSchema *schema) {
int memSize = memSizeForTupleSchema(schema->m_columnCount,
schema->m_uninlinedObjectColumnCount,
schema->m_hiddenColumnCount);
// allocate the set amount of memory and cast it to a tuple pointer
TupleSchema *retval = reinterpret_cast<TupleSchema*>(new char[memSize]);
memcpy(retval, schema, memSize);
return retval;
}
