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693 lines
30 KiB
C++
693 lines
30 KiB
C++
//
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// RecordSet.cpp
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//
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// Library: Data
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// Package: DataCore
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// Module: RecordSet
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//
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// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#include "Poco/Data/RecordSet.h"
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#include "Poco/Data/Extraction.h"
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#include "Poco/Data/RowFilter.h"
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#include "Poco/Data/Date.h"
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#include "Poco/Data/Time.h"
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#include "Poco/Data/DataException.h"
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#include "Poco/DateTime.h"
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#include "Poco/UTFString.h"
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using namespace Poco::Data::Keywords;
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using Poco::DateTime;
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using Poco::UTF16String;
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namespace Poco {
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namespace Data {
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const std::size_t RecordSet::UNKNOWN_TOTAL_ROW_COUNT = std::numeric_limits<std::size_t>::max();
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RecordSet::RecordSet(const Statement& rStatement,
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RowFormatter::Ptr pRowFormatter):
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Statement(rStatement),
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_currentRow(0),
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_pBegin(new RowIterator(this, 0 == rowsExtracted())),
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_pEnd(new RowIterator(this, true)),
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_totalRowCount(UNKNOWN_TOTAL_ROW_COUNT)
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{
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if (pRowFormatter) setRowFormatter(pRowFormatter);
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}
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RecordSet::RecordSet(Session& rSession,
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const std::string& query,
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RowFormatter::Ptr pRowFormatter):
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Statement((rSession << query, now)),
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_currentRow(0),
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_pBegin(new RowIterator(this, 0 == rowsExtracted())),
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_pEnd(new RowIterator(this, true)),
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_totalRowCount(UNKNOWN_TOTAL_ROW_COUNT)
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{
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if (pRowFormatter) setRowFormatter(pRowFormatter);
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}
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RecordSet::RecordSet(const RecordSet& other):
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Statement(other),
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_currentRow(other._currentRow),
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_pBegin(new RowIterator(this, 0 == rowsExtracted())),
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_pEnd(new RowIterator(this, true)),
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_rowMap(other._rowMap),
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_pFilter(other._pFilter),
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_totalRowCount(other._totalRowCount)
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{
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}
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RecordSet::RecordSet(RecordSet&& other) noexcept:
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Statement(std::move(other)),
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_currentRow(other._currentRow),
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_pBegin(new RowIterator(this, 0 == rowsExtracted())),
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_pEnd(new RowIterator(this, true)),
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_rowMap(std::move(other._rowMap)),
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_pFilter(other._pFilter),
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_totalRowCount(other._totalRowCount)
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{
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other._currentRow = 0;
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delete other._pBegin;
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other._pBegin = nullptr;
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delete other._pEnd;
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other._pEnd = nullptr;
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other._rowMap.clear();
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other._pFilter.reset();
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other._totalRowCount = UNKNOWN_TOTAL_ROW_COUNT;
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}
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RecordSet::~RecordSet()
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{
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try
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{
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delete _pBegin;
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delete _pEnd;
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}
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catch (...)
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{
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poco_unexpected();
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}
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}
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RecordSet& RecordSet::operator = (RecordSet&& other) noexcept
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{
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Statement::operator = (std::move(other));
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_currentRow = std::move(other._currentRow);
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other._currentRow = 0;
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_pBegin = new RowIterator(this, 0 == rowsExtracted());
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delete other._pBegin;
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other._pBegin = nullptr;
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_pEnd = new RowIterator(this, true);
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delete other._pEnd;
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other._pEnd = nullptr;
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_rowMap = std::move(other._rowMap);
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other._rowMap.clear();
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_pFilter = std::move(other._pFilter);
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other._pFilter.reset();
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_totalRowCount = std::move(other._totalRowCount);
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other._totalRowCount = UNKNOWN_TOTAL_ROW_COUNT;
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return *this;
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}
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void RecordSet::reset(const Statement& stmt)
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{
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delete _pBegin;
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_pBegin = nullptr;
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delete _pEnd;
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_pEnd = nullptr;
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_currentRow = 0;
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_totalRowCount = UNKNOWN_TOTAL_ROW_COUNT;
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_rowMap.clear();
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Statement::operator = (stmt);
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_pBegin = new RowIterator(this, 0 == rowsExtracted());
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_pEnd = new RowIterator(this, true);
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}
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template <class C>
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const Column<C>& RecordSet::column(const std::string& name) const
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/// Returns the reference to the first Column with the specified name.
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{
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if (isBulkExtraction())
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{
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using E = InternalBulkExtraction<C>;
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return columnImpl<C,E>(name);
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}
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else
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{
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using E = InternalExtraction<C>;
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return columnImpl<C,E>(name);
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}
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}
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template Data_API const Column<std::vector<bool>>& RecordSet::column<std::vector<bool>>(const std::string& name) const;
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template Data_API const Column<std::vector<UInt8>>& RecordSet::column<std::vector<UInt8>>(const std::string& name) const;
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template Data_API const Column<std::vector<Int16>>& RecordSet::column<std::vector<Int16>>(const std::string& name) const;
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template Data_API const Column<std::vector<UInt16>>& RecordSet::column<std::vector<UInt16>>(const std::string& name) const;
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template Data_API const Column<std::vector<Int32>>& RecordSet::column<std::vector<Int32>>(const std::string& name) const;
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template Data_API const Column<std::vector<UInt32>>& RecordSet::column<std::vector<UInt32>>(const std::string& name) const;
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template Data_API const Column<std::vector<Int64>>& RecordSet::column<std::vector<Int64>>(const std::string& name) const;
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template Data_API const Column<std::vector<UInt64>>& RecordSet::column<std::vector<UInt64>>(const std::string& name) const;
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template Data_API const Column<std::vector<float>>& RecordSet::column<std::vector<float>>(const std::string& name) const;
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template Data_API const Column<std::vector<double>>& RecordSet::column<std::vector<double>>(const std::string& name) const;
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template Data_API const Column<std::vector<std::string>>& RecordSet::column<std::vector<std::string>>(const std::string& name) const;
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template Data_API const Column<std::vector<UTF16String>>& RecordSet::column<std::vector<UTF16String>>(const std::string& name) const;
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template Data_API const Column<std::vector<BLOB>>& RecordSet::column<std::vector<BLOB>>(const std::string& name) const;
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template Data_API const Column<std::vector<CLOB>>& RecordSet::column<std::vector<CLOB>>(const std::string& name) const;
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template Data_API const Column<std::vector<Date>>& RecordSet::column<std::vector<Date>>(const std::string& name) const;
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template Data_API const Column<std::vector<Time>>& RecordSet::column<std::vector<Time>>(const std::string& name) const;
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template Data_API const Column<std::vector<DateTime>>& RecordSet::column<std::vector<DateTime>>(const std::string& name) const;
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template Data_API const Column<std::vector<UUID>>& RecordSet::column<std::vector<UUID>>(const std::string& name) const;
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template Data_API const Column<std::list<bool>>& RecordSet::column<std::list<bool>>(const std::string& name) const;
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template Data_API const Column<std::list<UInt8>>& RecordSet::column<std::list<UInt8>>(const std::string& name) const;
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template Data_API const Column<std::list<Int16>>& RecordSet::column<std::list<Int16>>(const std::string& name) const;
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template Data_API const Column<std::list<UInt16>>& RecordSet::column<std::list<UInt16>>(const std::string& name) const;
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template Data_API const Column<std::list<Int32>>& RecordSet::column<std::list<Int32>>(const std::string& name) const;
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template Data_API const Column<std::list<UInt32>>& RecordSet::column<std::list<UInt32>>(const std::string& name) const;
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template Data_API const Column<std::list<Int64>>& RecordSet::column<std::list<Int64>>(const std::string& name) const;
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template Data_API const Column<std::list<UInt64>>& RecordSet::column<std::list<UInt64>>(const std::string& name) const;
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template Data_API const Column<std::list<float>>& RecordSet::column<std::list<float>>(const std::string& name) const;
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template Data_API const Column<std::list<double>>& RecordSet::column<std::list<double>>(const std::string& name) const;
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template Data_API const Column<std::list<std::string>>& RecordSet::column<std::list<std::string>>(const std::string& name) const;
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template Data_API const Column<std::list<UTF16String>>& RecordSet::column<std::list<UTF16String>>(const std::string& name) const;
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template Data_API const Column<std::list<BLOB>>& RecordSet::column<std::list<BLOB>>(const std::string& name) const;
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template Data_API const Column<std::list<CLOB>>& RecordSet::column<std::list<CLOB>>(const std::string& name) const;
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template Data_API const Column<std::list<Date>>& RecordSet::column<std::list<Date>>(const std::string& name) const;
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template Data_API const Column<std::list<Time>>& RecordSet::column<std::list<Time>>(const std::string& name) const;
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template Data_API const Column<std::list<DateTime>>& RecordSet::column<std::list<DateTime>>(const std::string& name) const;
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template Data_API const Column<std::list<UUID>>& RecordSet::column<std::list<UUID>>(const std::string& name) const;
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template Data_API const Column<std::deque<bool>>& RecordSet::column<std::deque<bool>>(const std::string& name) const;
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template Data_API const Column<std::deque<UInt8>>& RecordSet::column<std::deque<UInt8>>(const std::string& name) const;
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template Data_API const Column<std::deque<Int16>>& RecordSet::column<std::deque<Int16>>(const std::string& name) const;
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template Data_API const Column<std::deque<UInt16>>& RecordSet::column<std::deque<UInt16>>(const std::string& name) const;
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template Data_API const Column<std::deque<Int32>>& RecordSet::column<std::deque<Int32>>(const std::string& name) const;
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template Data_API const Column<std::deque<UInt32>>& RecordSet::column<std::deque<UInt32>>(const std::string& name) const;
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template Data_API const Column<std::deque<Int64>>& RecordSet::column<std::deque<Int64>>(const std::string& name) const;
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template Data_API const Column<std::deque<UInt64>>& RecordSet::column<std::deque<UInt64>>(const std::string& name) const;
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template Data_API const Column<std::deque<float>>& RecordSet::column<std::deque<float>>(const std::string& name) const;
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template Data_API const Column<std::deque<double>>& RecordSet::column<std::deque<double>>(const std::string& name) const;
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template Data_API const Column<std::deque<std::string>>& RecordSet::column<std::deque<std::string>>(const std::string& name) const;
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template Data_API const Column<std::deque<UTF16String>>& RecordSet::column<std::deque<UTF16String>>(const std::string& name) const;
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template Data_API const Column<std::deque<BLOB>>& RecordSet::column<std::deque<BLOB>>(const std::string& name) const;
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template Data_API const Column<std::deque<CLOB>>& RecordSet::column<std::deque<CLOB>>(const std::string& name) const;
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template Data_API const Column<std::deque<Date>>& RecordSet::column<std::deque<Date>>(const std::string& name) const;
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template Data_API const Column<std::deque<Time>>& RecordSet::column<std::deque<Time>>(const std::string& name) const;
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template Data_API const Column<std::deque<DateTime>>& RecordSet::column<std::deque<DateTime>>(const std::string& name) const;
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template Data_API const Column<std::deque<UUID>>& RecordSet::column<std::deque<UUID>>(const std::string& name) const;
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template <class C>
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const Column<C>& RecordSet::column(std::size_t pos) const
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/// Returns the reference to column at specified position.
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{
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if (isBulkExtraction())
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{
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using E = InternalBulkExtraction<C>;
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return columnImpl<C,E>(pos);
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}
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else
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{
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using E = InternalExtraction<C>;
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return columnImpl<C,E>(pos);
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}
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}
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template Data_API const Column<std::vector<bool>>& RecordSet::column<std::vector<bool>>(std::size_t pos) const;
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template Data_API const Column<std::vector<UInt8>>& RecordSet::column<std::vector<UInt8>>(std::size_t pos) const;
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template Data_API const Column<std::vector<Int16>>& RecordSet::column<std::vector<Int16>>(std::size_t pos) const;
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template Data_API const Column<std::vector<UInt16>>& RecordSet::column<std::vector<UInt16>>(std::size_t pos) const;
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template Data_API const Column<std::vector<Int32>>& RecordSet::column<std::vector<Int32>>(std::size_t pos) const;
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template Data_API const Column<std::vector<UInt32>>& RecordSet::column<std::vector<UInt32>>(std::size_t pos) const;
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template Data_API const Column<std::vector<Int64>>& RecordSet::column<std::vector<Int64>>(std::size_t pos) const;
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template Data_API const Column<std::vector<UInt64>>& RecordSet::column<std::vector<UInt64>>(std::size_t pos) const;
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template Data_API const Column<std::vector<float>>& RecordSet::column<std::vector<float>>(std::size_t pos) const;
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template Data_API const Column<std::vector<double>>& RecordSet::column<std::vector<double>>(std::size_t pos) const;
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template Data_API const Column<std::vector<std::string>>& RecordSet::column<std::vector<std::string>>(std::size_t pos) const;
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template Data_API const Column<std::vector<UTF16String>>& RecordSet::column<std::vector<UTF16String>>(std::size_t pos) const;
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template Data_API const Column<std::vector<BLOB>>& RecordSet::column<std::vector<BLOB>>(std::size_t pos) const;
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template Data_API const Column<std::vector<CLOB>>& RecordSet::column<std::vector<CLOB>>(std::size_t pos) const;
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template Data_API const Column<std::vector<Date>>& RecordSet::column<std::vector<Date>>(std::size_t pos) const;
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template Data_API const Column<std::vector<Time>>& RecordSet::column<std::vector<Time>>(std::size_t pos) const;
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template Data_API const Column<std::vector<DateTime>>& RecordSet::column<std::vector<DateTime>>(std::size_t pos) const;
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template Data_API const Column<std::vector<UUID>>& RecordSet::column<std::vector<UUID>>(std::size_t pos) const;
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template Data_API const Column<std::list<bool>>& RecordSet::column<std::list<bool>>(std::size_t pos) const;
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template Data_API const Column<std::list<UInt8>>& RecordSet::column<std::list<UInt8>>(std::size_t pos) const;
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template Data_API const Column<std::list<Int16>>& RecordSet::column<std::list<Int16>>(std::size_t pos) const;
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template Data_API const Column<std::list<UInt16>>& RecordSet::column<std::list<UInt16>>(std::size_t pos) const;
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template Data_API const Column<std::list<Int32>>& RecordSet::column<std::list<Int32>>(std::size_t pos) const;
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template Data_API const Column<std::list<UInt32>>& RecordSet::column<std::list<UInt32>>(std::size_t pos) const;
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template Data_API const Column<std::list<Int64>>& RecordSet::column<std::list<Int64>>(std::size_t pos) const;
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template Data_API const Column<std::list<UInt64>>& RecordSet::column<std::list<UInt64>>(std::size_t pos) const;
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template Data_API const Column<std::list<float>>& RecordSet::column<std::list<float>>(std::size_t pos) const;
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template Data_API const Column<std::list<double>>& RecordSet::column<std::list<double>>(std::size_t pos) const;
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template Data_API const Column<std::list<std::string>>& RecordSet::column<std::list<std::string>>(std::size_t pos) const;
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template Data_API const Column<std::list<UTF16String>>& RecordSet::column<std::list<UTF16String>>(std::size_t pos) const;
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template Data_API const Column<std::list<BLOB>>& RecordSet::column<std::list<BLOB>>(std::size_t pos) const;
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template Data_API const Column<std::list<CLOB>>& RecordSet::column<std::list<CLOB>>(std::size_t pos) const;
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template Data_API const Column<std::list<Date>>& RecordSet::column<std::list<Date>>(std::size_t pos) const;
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template Data_API const Column<std::list<Time>>& RecordSet::column<std::list<Time>>(std::size_t pos) const;
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template Data_API const Column<std::list<DateTime>>& RecordSet::column<std::list<DateTime>>(std::size_t pos) const;
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template Data_API const Column<std::list<UUID>>& RecordSet::column<std::list<UUID>>(std::size_t pos) const;
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template Data_API const Column<std::deque<bool>>& RecordSet::column<std::deque<bool>>(std::size_t pos) const;
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template Data_API const Column<std::deque<UInt8>>& RecordSet::column<std::deque<UInt8>>(std::size_t pos) const;
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template Data_API const Column<std::deque<Int16>>& RecordSet::column<std::deque<Int16>>(std::size_t pos) const;
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template Data_API const Column<std::deque<UInt16>>& RecordSet::column<std::deque<UInt16>>(std::size_t pos) const;
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template Data_API const Column<std::deque<Int32>>& RecordSet::column<std::deque<Int32>>(std::size_t pos) const;
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template Data_API const Column<std::deque<UInt32>>& RecordSet::column<std::deque<UInt32>>(std::size_t pos) const;
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template Data_API const Column<std::deque<Int64>>& RecordSet::column<std::deque<Int64>>(std::size_t pos) const;
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template Data_API const Column<std::deque<UInt64>>& RecordSet::column<std::deque<UInt64>>(std::size_t pos) const;
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template Data_API const Column<std::deque<float>>& RecordSet::column<std::deque<float>>(std::size_t pos) const;
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template Data_API const Column<std::deque<double>>& RecordSet::column<std::deque<double>>(std::size_t pos) const;
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template Data_API const Column<std::deque<std::string>>& RecordSet::column<std::deque<std::string>>(std::size_t pos) const;
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template Data_API const Column<std::deque<UTF16String>>& RecordSet::column<std::deque<UTF16String>>(std::size_t pos) const;
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template Data_API const Column<std::deque<BLOB>>& RecordSet::column<std::deque<BLOB>>(std::size_t pos) const;
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template Data_API const Column<std::deque<CLOB>>& RecordSet::column<std::deque<CLOB>>(std::size_t pos) const;
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template Data_API const Column<std::deque<Date>>& RecordSet::column<std::deque<Date>>(std::size_t pos) const;
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template Data_API const Column<std::deque<Time>>& RecordSet::column<std::deque<Time>>(std::size_t pos) const;
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template Data_API const Column<std::deque<DateTime>>& RecordSet::column<std::deque<DateTime>>(std::size_t pos) const;
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template Data_API const Column<std::deque<UUID>>& RecordSet::column<std::deque<UUID>>(std::size_t pos) const;
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template <class T>
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const T& RecordSet::value(std::size_t col, std::size_t row, bool useFilter) const
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/// Returns the reference to data value at [col, row] location.
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{
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if (useFilter && isFiltered() && !isAllowed(row))
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throw InvalidAccessException("Row not allowed");
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switch (storage())
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{
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case STORAGE_VECTOR:
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{
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using C = typename std::vector<T>;
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return column<C>(col).value(row);
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}
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case STORAGE_LIST:
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{
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using C = typename std::list<T>;
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return column<C>(col).value(row);
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}
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case STORAGE_DEQUE:
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case STORAGE_UNKNOWN:
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{
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using C = typename std::deque<T>;
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return column<C>(col).value(row);
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}
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default:
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throw IllegalStateException("Invalid storage setting.");
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}
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}
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template Data_API const bool& RecordSet::value<bool>(std::size_t col, std::size_t row, bool useFilter) const;
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template Data_API const UInt8& RecordSet::value<UInt8>(std::size_t col, std::size_t row, bool useFilter) const;
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template Data_API const Int16& RecordSet::value<Int16>(std::size_t col, std::size_t row, bool useFilter) const;
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template Data_API const UInt16& RecordSet::value<UInt16>(std::size_t col, std::size_t row, bool useFilter) const;
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template Data_API const Int32& RecordSet::value<Int32>(std::size_t col, std::size_t row, bool useFilter) const;
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template Data_API const UInt32& RecordSet::value<UInt32>(std::size_t col, std::size_t row, bool useFilter) const;
|
|
template Data_API const Int64& RecordSet::value<Int64>(std::size_t col, std::size_t row, bool useFilter) const;
|
|
template Data_API const UInt64& RecordSet::value<UInt64>(std::size_t col, std::size_t row, bool useFilter) const;
|
|
template Data_API const float& RecordSet::value<float>(std::size_t col, std::size_t row, bool useFilter) const;
|
|
template Data_API const double& RecordSet::value<double>(std::size_t col, std::size_t row, bool useFilter) const;
|
|
template Data_API const std::string& RecordSet::value<std::string>(std::size_t col, std::size_t row, bool useFilter) const;
|
|
template Data_API const UTF16String& RecordSet::value<UTF16String>(std::size_t col, std::size_t row, bool useFilter) const;
|
|
template Data_API const BLOB& RecordSet::value<BLOB>(std::size_t col, std::size_t row, bool useFilter) const;
|
|
template Data_API const CLOB& RecordSet::value<CLOB>(std::size_t col, std::size_t row, bool useFilter) const;
|
|
template Data_API const Date& RecordSet::value<Date>(std::size_t col, std::size_t row, bool useFilter) const;
|
|
template Data_API const Time& RecordSet::value<Time>(std::size_t col, std::size_t row, bool useFilter) const;
|
|
template Data_API const DateTime& RecordSet::value<DateTime>(std::size_t col, std::size_t row, bool useFilter) const;
|
|
template Data_API const UUID& RecordSet::value<UUID>(std::size_t col, std::size_t row, bool useFilter) const;
|
|
|
|
|
|
template <class T>
|
|
const T& RecordSet::value(const std::string& name, std::size_t row, bool useFilter) const
|
|
/// Returns the reference to data value at named column, row location.
|
|
{
|
|
if (useFilter && isFiltered() && !isAllowed(row))
|
|
throw InvalidAccessException("Row not allowed");
|
|
|
|
switch (storage())
|
|
{
|
|
case STORAGE_VECTOR:
|
|
{
|
|
using C = typename std::vector<T>;
|
|
return column<C>(name).value(row);
|
|
}
|
|
case STORAGE_LIST:
|
|
{
|
|
using C = typename std::list<T>;
|
|
return column<C>(name).value(row);
|
|
}
|
|
case STORAGE_DEQUE:
|
|
case STORAGE_UNKNOWN:
|
|
{
|
|
using C = typename std::deque<T>;
|
|
return column<C>(name).value(row);
|
|
}
|
|
default:
|
|
throw IllegalStateException("Invalid storage setting.");
|
|
}
|
|
}
|
|
|
|
|
|
template Data_API const bool& RecordSet::value<bool>(const std::string& name, std::size_t row, bool useFilter) const;
|
|
template Data_API const UInt8& RecordSet::value<UInt8>(const std::string& name, std::size_t row, bool useFilter) const;
|
|
template Data_API const Int16& RecordSet::value<Int16>(const std::string& name, std::size_t row, bool useFilter) const;
|
|
template Data_API const UInt16& RecordSet::value<UInt16>(const std::string& name, std::size_t row, bool useFilter) const;
|
|
template Data_API const Int32& RecordSet::value<Int32>(const std::string& name, std::size_t row, bool useFilter) const;
|
|
template Data_API const UInt32& RecordSet::value<UInt32>(const std::string& name, std::size_t row, bool useFilter) const;
|
|
template Data_API const Int64& RecordSet::value<Int64>(const std::string& name, std::size_t row, bool useFilter) const;
|
|
template Data_API const UInt64& RecordSet::value<UInt64>(const std::string& name, std::size_t row, bool useFilter) const;
|
|
template Data_API const float& RecordSet::value<float>(const std::string& name, std::size_t row, bool useFilter) const;
|
|
template Data_API const double& RecordSet::value<double>(const std::string& name, std::size_t row, bool useFilter) const;
|
|
template Data_API const std::string& RecordSet::value<std::string>(const std::string& name, std::size_t row, bool useFilter) const;
|
|
template Data_API const UTF16String& RecordSet::value<UTF16String>(const std::string& name, std::size_t row, bool useFilter) const;
|
|
template Data_API const BLOB& RecordSet::value<BLOB>(const std::string& name, std::size_t row, bool useFilter) const;
|
|
template Data_API const CLOB& RecordSet::value<CLOB>(const std::string& name, std::size_t row, bool useFilter) const;
|
|
template Data_API const Date& RecordSet::value<Date>(const std::string& name, std::size_t row, bool useFilter) const;
|
|
template Data_API const Time& RecordSet::value<Time>(const std::string& name, std::size_t row, bool useFilter) const;
|
|
template Data_API const DateTime& RecordSet::value<DateTime>(const std::string& name, std::size_t row, bool useFilter) const;
|
|
template Data_API const UUID& RecordSet::value<UUID>(const std::string& name, std::size_t row, bool useFilter) const;
|
|
|
|
|
|
Poco::Dynamic::Var RecordSet::value(std::size_t col, std::size_t row, bool useFilter) const
|
|
{
|
|
if (useFilter && isFiltered() && !isAllowed(row))
|
|
throw InvalidAccessException("Row not allowed");
|
|
|
|
if (isNull(col, row)) return Poco::Dynamic::Var();
|
|
|
|
switch (columnType(col))
|
|
{
|
|
case MetaColumn::FDT_BOOL: return value<bool>(col, row, useFilter);
|
|
case MetaColumn::FDT_INT8: return value<Int8>(col, row, useFilter);
|
|
case MetaColumn::FDT_UINT8: return value<UInt8>(col, row, useFilter);
|
|
case MetaColumn::FDT_INT16: return value<Int16>(col, row, useFilter);
|
|
case MetaColumn::FDT_UINT16: return value<UInt16>(col, row, useFilter);
|
|
case MetaColumn::FDT_INT32: return value<Int32>(col, row, useFilter);
|
|
case MetaColumn::FDT_UINT32: return value<UInt32>(col, row, useFilter);
|
|
case MetaColumn::FDT_INT64: return value<Int64>(col, row, useFilter);
|
|
case MetaColumn::FDT_UINT64: return value<UInt64>(col, row, useFilter);
|
|
case MetaColumn::FDT_FLOAT: return value<float>(col, row, useFilter);
|
|
case MetaColumn::FDT_DOUBLE: return value<double>(col, row, useFilter);
|
|
case MetaColumn::FDT_STRING: return value<std::string>(col, row, useFilter);
|
|
case MetaColumn::FDT_WSTRING: return value<UTF16String>(col, row, useFilter);
|
|
case MetaColumn::FDT_BLOB: return value<BLOB>(col, row, useFilter);
|
|
case MetaColumn::FDT_CLOB: return value<CLOB>(col, row, useFilter);
|
|
case MetaColumn::FDT_DATE: return value<Date>(col, row, useFilter);
|
|
case MetaColumn::FDT_TIME: return value<Time>(col, row, useFilter);
|
|
case MetaColumn::FDT_TIMESTAMP: return value<DateTime>(col, row);
|
|
case MetaColumn::FDT_UUID: return value<UUID>(col, row);
|
|
case MetaColumn::FDT_JSON: return value<std::string>(col, row, useFilter);
|
|
default:
|
|
throw UnknownTypeException("Data type not supported.");
|
|
}
|
|
}
|
|
|
|
|
|
Poco::Dynamic::Var RecordSet::value(const std::string& name, std::size_t row, bool useFilter) const
|
|
{
|
|
if (useFilter && isFiltered() && !isAllowed(row))
|
|
throw InvalidAccessException("Row not allowed");
|
|
|
|
if (isNull(metaColumn(name).position(), row)) return Poco::Dynamic::Var();
|
|
|
|
switch (columnType(name))
|
|
{
|
|
case MetaColumn::FDT_BOOL: return value<bool>(name, row, useFilter);
|
|
case MetaColumn::FDT_INT8: return value<Int8>(name, row, useFilter);
|
|
case MetaColumn::FDT_UINT8: return value<UInt8>(name, row, useFilter);
|
|
case MetaColumn::FDT_INT16: return value<Int16>(name, row, useFilter);
|
|
case MetaColumn::FDT_UINT16: return value<UInt16>(name, row, useFilter);
|
|
case MetaColumn::FDT_INT32: return value<Int32>(name, row, useFilter);
|
|
case MetaColumn::FDT_UINT32: return value<UInt32>(name, row, useFilter);
|
|
case MetaColumn::FDT_INT64: return value<Int64>(name, row, useFilter);
|
|
case MetaColumn::FDT_UINT64: return value<UInt64>(name, row, useFilter);
|
|
case MetaColumn::FDT_FLOAT: return value<float>(name, row, useFilter);
|
|
case MetaColumn::FDT_DOUBLE: return value<double>(name, row, useFilter);
|
|
case MetaColumn::FDT_STRING: return value<std::string>(name, row, useFilter);
|
|
case MetaColumn::FDT_WSTRING: return value<UTF16String>(name, row, useFilter);
|
|
case MetaColumn::FDT_BLOB: return value<BLOB>(name, row, useFilter);
|
|
case MetaColumn::FDT_CLOB: return value<CLOB>(name, row, useFilter);
|
|
case MetaColumn::FDT_DATE: return value<Date>(name, row, useFilter);
|
|
case MetaColumn::FDT_TIME: return value<Time>(name, row, useFilter);
|
|
case MetaColumn::FDT_TIMESTAMP: return value<DateTime>(name, row, useFilter);
|
|
case MetaColumn::FDT_UUID: return value<UUID>(name, row, useFilter);
|
|
default:
|
|
throw UnknownTypeException("Data type not supported.");
|
|
}
|
|
}
|
|
|
|
|
|
Row& RecordSet::row(std::size_t pos)
|
|
{
|
|
std::size_t rowCnt = rowCount();
|
|
if (0 == rowCnt || pos > rowCnt - 1)
|
|
throw RangeException("Invalid recordset row requested.");
|
|
|
|
RowMap::const_iterator it = _rowMap.find(pos);
|
|
Row* pRow = nullptr;
|
|
std::size_t columns = columnCount();
|
|
if (it == _rowMap.end())
|
|
{
|
|
if (_rowMap.size())
|
|
{
|
|
//reuse first row column names and sorting fields to save some memory
|
|
pRow = new Row(_rowMap.begin()->second->names(),
|
|
_rowMap.begin()->second->getSortMap(),
|
|
getRowFormatter());
|
|
|
|
for (std::size_t col = 0; col < columns; ++col)
|
|
pRow->set(col, value(col, pos));
|
|
}
|
|
else
|
|
{
|
|
pRow = new Row;
|
|
pRow->setFormatter(getRowFormatter());
|
|
for (std::size_t col = 0; col < columns; ++col)
|
|
pRow->append(metaColumn(static_cast<UInt32>(col)).name(), value(col, pos));
|
|
}
|
|
|
|
_rowMap.insert(RowMap::value_type(pos, pRow));
|
|
}
|
|
else
|
|
{
|
|
pRow = it->second.get();
|
|
poco_check_ptr (pRow);
|
|
}
|
|
|
|
return *pRow;
|
|
}
|
|
|
|
|
|
std::size_t RecordSet::rowCount() const
|
|
{
|
|
if (!impl() || extractions().size() == 0) return 0;
|
|
|
|
std::size_t rc = subTotalRowCount();
|
|
if (!isFiltered()) return rc;
|
|
|
|
std::size_t counter = 0;
|
|
for (std::size_t row = 0; row < rc; ++row)
|
|
{
|
|
if (isAllowed(row)) ++counter;
|
|
}
|
|
|
|
return counter;
|
|
}
|
|
|
|
|
|
std::size_t RecordSet::affectedRowCount() const
|
|
{
|
|
return Statement::affectedRowCount();
|
|
}
|
|
|
|
|
|
bool RecordSet::isAllowed(std::size_t row) const
|
|
{
|
|
if (!isFiltered()) return true;
|
|
return _pFilter->isAllowed(row);
|
|
}
|
|
|
|
|
|
bool RecordSet::moveFirst()
|
|
{
|
|
if (subTotalRowCount() > 0)
|
|
{
|
|
if (!isFiltered())
|
|
{
|
|
_currentRow = 0;
|
|
return true;
|
|
}
|
|
|
|
std::size_t currentRow = 0;
|
|
while (!isAllowed(currentRow))
|
|
{
|
|
if (currentRow >= subTotalRowCount() - 1) return false;
|
|
++currentRow;
|
|
}
|
|
|
|
_currentRow = currentRow;
|
|
return true;
|
|
}
|
|
else return false;
|
|
}
|
|
|
|
|
|
bool RecordSet::moveNext()
|
|
{
|
|
std::size_t currentRow = _currentRow;
|
|
do
|
|
{
|
|
if (currentRow >= subTotalRowCount() - 1) return false;
|
|
++currentRow;
|
|
} while (isFiltered() && !isAllowed(currentRow));
|
|
|
|
_currentRow = currentRow;
|
|
return true;
|
|
}
|
|
|
|
|
|
bool RecordSet::movePrevious()
|
|
{
|
|
std::size_t currentRow = _currentRow;
|
|
do
|
|
{
|
|
if (currentRow <= 0) return false;
|
|
--currentRow;
|
|
} while (isFiltered() && !isAllowed(currentRow));
|
|
|
|
_currentRow = currentRow;
|
|
return true;
|
|
}
|
|
|
|
|
|
bool RecordSet::moveLast()
|
|
{
|
|
if (subTotalRowCount() > 0)
|
|
{
|
|
std::size_t currentRow = subTotalRowCount() - 1;
|
|
if (!isFiltered())
|
|
{
|
|
_currentRow = currentRow;
|
|
return true;
|
|
}
|
|
|
|
while (!isAllowed(currentRow))
|
|
{
|
|
if (currentRow <= 0) return false;
|
|
--currentRow;
|
|
}
|
|
|
|
_currentRow = currentRow;
|
|
return true;
|
|
}
|
|
else return false;
|
|
}
|
|
|
|
|
|
void RecordSet::setRowFormatter(RowFormatter::Ptr pRowFormatter)
|
|
{
|
|
pRowFormatter->setTotalRowCount(static_cast<int>(getTotalRowCount()));
|
|
Statement::setRowFormatter(pRowFormatter);
|
|
RowMap::iterator it = _rowMap.begin();
|
|
RowMap::iterator end = _rowMap.end();
|
|
for (; it != end; ++it) it->second->setFormatter(getRowFormatter());
|
|
}
|
|
|
|
|
|
std::ostream& RecordSet::copyNames(std::ostream& os) const
|
|
{
|
|
std::string names = (*_pBegin)->namesToString();
|
|
if (!names.empty()) os << names;
|
|
return os;
|
|
}
|
|
|
|
|
|
std::ostream& RecordSet::copyValues(std::ostream& os, std::size_t offset, std::size_t length) const
|
|
{
|
|
RowIterator it = *_pBegin + offset;
|
|
RowIterator end = (RowIterator::POSITION_END != length) ? it + length : *_pEnd;
|
|
std::copy(it, end, std::ostream_iterator<Row>(os));
|
|
return os;
|
|
}
|
|
|
|
|
|
void RecordSet::formatValues(std::size_t offset, std::size_t length) const
|
|
{
|
|
RowIterator it = *_pBegin + offset;
|
|
RowIterator end = (RowIterator::POSITION_END != length) ? it + length : *_pEnd;
|
|
std::string val;
|
|
for (; it != end; ++it) it->formatValues();
|
|
}
|
|
|
|
|
|
std::ostream& RecordSet::copy(std::ostream& os, std::size_t offset, std::size_t length) const
|
|
{
|
|
RowFormatter& rf = const_cast<RowFormatter&>((*_pBegin)->getFormatter());
|
|
rf.setTotalRowCount(static_cast<int>(getTotalRowCount()));
|
|
if (RowFormatter::FORMAT_PROGRESSIVE == rf.getMode())
|
|
{
|
|
os << rf.prefix();
|
|
copyNames(os);
|
|
copyValues(os, offset, length);
|
|
os << rf.postfix();
|
|
}
|
|
else
|
|
{
|
|
formatNames();
|
|
formatValues(offset, length);
|
|
os << rf.toString();
|
|
}
|
|
|
|
return os;
|
|
}
|
|
|
|
|
|
void RecordSet::filter(const Poco::AutoPtr<RowFilter>& pFilter)
|
|
{
|
|
_pFilter = pFilter;
|
|
}
|
|
|
|
|
|
bool RecordSet::isFiltered() const
|
|
{
|
|
return _pFilter && !_pFilter->isEmpty();
|
|
}
|
|
|
|
|
|
void RecordSet::setTotalRowCount(const std::string& sql)
|
|
{
|
|
session() << sql, into(_totalRowCount), now;
|
|
}
|
|
|
|
|
|
} } // namespace Poco::Data
|