Library: Data
Package: DataCore
Header: Poco/Data/BulkExtraction.h
Description
Specialization for bulk extraction of values from a query result set. Bulk extraction support is provided only for following STL containers: - std::vector - std::deque - std::list
Inheritance
Direct Base Classes: AbstractExtraction
All Base Classes: AbstractExtraction
Member Summary
Member Functions: createPreparation, extract, isNull, numOfColumnsHandled, numOfRowsAllowed, numOfRowsHandled, reset, result
Inherited Functions: canExtract, createPreparation, extract, getEmptyStringIsNull, getExtractor, getForceEmptyString, getHeldType, getLimit, isBulk, isNull, isValueNull, numOfColumnsHandled, numOfRowsAllowed, numOfRowsHandled, position, reset, setEmptyStringIsNull, setExtractor, setForceEmptyString, setHeldType, setLimit
Types Aliases
CValType
using CValType = typename C::value_type;
Ptr
using Ptr = SharedPtr < Type >;
Type
using Type = BulkExtraction < ValType >;
ValPtr
using ValPtr = SharedPtr < ValType >;
ValType
using ValType = C;
Constructors
BulkExtraction 
BulkExtraction(
C & result,
Poco::UInt32 limit,
const Position & pos = Position (0)
);
BulkExtraction
BulkExtraction(
C & result,
const CValType & def,
Poco::UInt32 limit,
const Position & pos = Position (0)
);
Destructor
~BulkExtraction 
virtual ~BulkExtraction();
Member Functions
createPreparation
AbstractPreparation::Ptr createPreparation(
AbstractPreparator::Ptr & pPrep,
std::size_t col
);
extract
std::size_t extract(
std::size_t col
);
isNull
bool isNull(
std::size_t row
) const;
See also: Poco::Data::AbstractExtraction::isNull()
numOfColumnsHandled
std::size_t numOfColumnsHandled() const;
numOfRowsAllowed
std::size_t numOfRowsAllowed() const;
numOfRowsHandled
std::size_t numOfRowsHandled() const;
reset
virtual void reset();
See also: Poco::Data::AbstractExtraction::reset()
result 
const C & result() const;