Vector Data Type specialization for extraction of values from a query result set. List Data Type specialization for extraction of values from a query result set. Container Data Type specialization extension for extraction of values from a query result set.
This class is intended for PocoData internal use - it is used by StatementImpl to automaticaly create internal Extraction in cases when statement returns data and no external storage was supplied. It is later used by RecordSet to retrieve the fetched data after statement execution. It takes ownership of the Column pointer supplied as constructor argument. Column object, in turn owns the data vector pointer.
InternalExtraction objects can not be copied or assigned.
Direct Base Classes: Extraction < C >
All Base Classes: Extraction < C >
const Column < T > & column() const;
const T & value(