DataSourceMetaData::DataSourceMetaData(IHqlExpression * _record, byte _numFieldsToIgnore, bool _randomIsOk, bool _isGrouped, unsigned _keyedSize)
{
init();
numFieldsToIgnore = _numFieldsToIgnore;
randomIsOk = _randomIsOk;
isStoredFixedWidth = true;
//MORE: Blobs aren't handled correctly in indexes....
maxRecordSize = ::getMaxRecordSize(_record, MAX_RECORD_SIZE);
keyedSize = _keyedSize;
gatherFields(_record, false);
if (_isGrouped)
{
Owned<ITypeInfo> type = makeBoolType();
addSimpleField("__groupfollows__", NULL, type);
maxRecordSize++;
}
if (isStoredFixedWidth)
assertex(storedFixedSize == maxRecordSize);
}
void DataSourceMetaData::gatherChildFields(IHqlExpression * expr, bool isConditional)
{
bitsRemaining = 0;
ForEachChild(idx, expr)
gatherFields(expr->queryChild(idx), isConditional);
}
