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402 lines
12 KiB
C++
402 lines
12 KiB
C++
//
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// AbstractPreparator.h
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//
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// Library: Data
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// Package: DataCore
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// Module: AbstractPreparator
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//
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// Definition of the AbstractPreparator class.
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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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#ifndef Data_AbstractPreparator_INCLUDED
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#define Data_AbstractPreparator_INCLUDED
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#include "Poco/Data/Data.h"
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#include "Poco/RefCountedObject.h"
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#include "Poco/Data/LOB.h"
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#include "Poco/UUID.h"
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#include "Poco/UTFString.h"
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#include <vector>
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#include <deque>
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#include <list>
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#include <cstddef>
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namespace Poco {
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class DateTime;
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class Any;
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namespace Dynamic {
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class Var;
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}
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namespace Data {
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class Date;
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class Time;
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class Data_API AbstractPreparator
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/// Interface used for database preparation where we first have to register all data types
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/// (and memory output locations) before extracting data, e.g. ODBC.
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/// Extract works as two-phase extract: first we call prepare once, then extract n-times.
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/// There are cases (bulk operations using std::vector storage) when extract is called only once.
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/// The value passed to a prepare() call is not used by the prepare, serving only as an indication
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/// of the data type being prepared, thus all values are passed as const references.
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/// Implementing this interface is not mandatory for a connector. Connectors that only extract data
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/// after SQL execution (e.g. SQLite) do not need this functionality at all.
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{
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public:
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using Ptr = SharedPtr<AbstractPreparator>;
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AbstractPreparator(Poco::UInt32 length = 1u);
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/// Creates the AbstractPreparator.
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virtual ~AbstractPreparator();
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/// Destroys the AbstractPreparator.
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virtual void prepare(std::size_t pos, const Poco::Int8&) = 0;
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/// Prepares an Int8.
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virtual void prepare(std::size_t pos, const std::vector<Poco::Int8>& val);
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/// Prepares an Int8 vector.
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virtual void prepare(std::size_t pos, const std::deque<Poco::Int8>& val);
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/// Prepares an Int8 deque.
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virtual void prepare(std::size_t pos, const std::list<Poco::Int8>& val);
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/// Prepares an Int8 list.
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virtual void prepare(std::size_t pos, const Poco::UInt8&) = 0;
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/// Prepares an UInt8.
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virtual void prepare(std::size_t pos, const std::vector<Poco::UInt8>& val);
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/// Prepares an UInt8 vector.
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virtual void prepare(std::size_t pos, const std::deque<Poco::UInt8>& val);
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/// Prepares an UInt8 deque.
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virtual void prepare(std::size_t pos, const std::list<Poco::UInt8>& val);
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/// Prepares an UInt8 list.
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virtual void prepare(std::size_t pos, const Poco::Int16&) = 0;
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/// Prepares an Int16.
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virtual void prepare(std::size_t pos, const std::vector<Poco::Int16>& val);
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/// Prepares an Int16 vector.
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virtual void prepare(std::size_t pos, const std::deque<Poco::Int16>& val);
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/// Prepares an Int16 deque.
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virtual void prepare(std::size_t pos, const std::list<Poco::Int16>& val);
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/// Prepares an Int16 list.
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virtual void prepare(std::size_t pos, const Poco::UInt16&) = 0;
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/// Prepares an UInt16.
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virtual void prepare(std::size_t pos, const std::vector<Poco::UInt16>& val);
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/// Prepares an UInt16 vector.
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virtual void prepare(std::size_t pos, const std::deque<Poco::UInt16>& val);
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/// Prepares an UInt16 deque.
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virtual void prepare(std::size_t pos, const std::list<Poco::UInt16>& val);
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/// Prepares an UInt16 list.
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virtual void prepare(std::size_t pos, const Poco::Int32&) = 0;
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/// Prepares an Int32.
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virtual void prepare(std::size_t pos, const std::vector<Poco::Int32>& val);
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/// Prepares an Int32 vector.
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virtual void prepare(std::size_t pos, const std::deque<Poco::Int32>& val);
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/// Prepares an Int32 deque.
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virtual void prepare(std::size_t pos, const std::list<Poco::Int32>& val);
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/// Prepares an Int32 list.
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virtual void prepare(std::size_t pos, const Poco::UInt32&) = 0;
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/// Prepares an UInt32.
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virtual void prepare(std::size_t pos, const std::vector<Poco::UInt32>& val);
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/// Prepares an UInt32 vector.
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virtual void prepare(std::size_t pos, const std::deque<Poco::UInt32>& val);
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/// Prepares an UInt32 deque.
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virtual void prepare(std::size_t pos, const std::list<Poco::UInt32>& val);
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/// Prepares an UInt32 list.
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virtual void prepare(std::size_t pos, const Poco::Int64&) = 0;
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/// Prepares an Int64.
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virtual void prepare(std::size_t pos, const std::vector<Poco::Int64>& val);
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/// Prepares an Int64 vector.
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virtual void prepare(std::size_t pos, const std::deque<Poco::Int64>& val);
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/// Prepares an Int64 deque.
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virtual void prepare(std::size_t pos, const std::list<Poco::Int64>& val);
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/// Prepares an Int64 list.
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virtual void prepare(std::size_t pos, const Poco::UInt64&) = 0;
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/// Prepares an UInt64.
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virtual void prepare(std::size_t pos, const std::vector<Poco::UInt64>& val);
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/// Prepares an UInt64 vector.
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virtual void prepare(std::size_t pos, const std::deque<Poco::UInt64>& val);
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/// Prepares an UInt64 deque.
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virtual void prepare(std::size_t pos, const std::list<Poco::UInt64>& val);
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/// Prepares an UInt64 list.
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#ifndef POCO_INT64_IS_LONG
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virtual void prepare(std::size_t pos, const long&) = 0;
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/// Prepares a long.
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virtual void prepare(std::size_t pos, const unsigned long&) = 0;
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/// Prepares an unsigned long.
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virtual void prepare(std::size_t pos, const std::vector<long>& val);
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/// Prepares a long vector.
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virtual void prepare(std::size_t pos, const std::deque<long>& val);
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/// Prepares a long deque.
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virtual void prepare(std::size_t pos, const std::list<long>& val);
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/// Prepares a long list.
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#endif
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virtual void prepare(std::size_t pos, const bool&) = 0;
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/// Prepares a boolean.
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virtual void prepare(std::size_t pos, const std::vector<bool>& val);
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/// Prepares a boolean vector.
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virtual void prepare(std::size_t pos, const std::deque<bool>& val);
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/// Prepares a boolean deque.
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virtual void prepare(std::size_t pos, const std::list<bool>& val);
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/// Prepares a boolean list.
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virtual void prepare(std::size_t pos, const float&) = 0;
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/// Prepares a float.
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virtual void prepare(std::size_t pos, const std::vector<float>& val);
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/// Prepares a float vector.
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virtual void prepare(std::size_t pos, const std::deque<float>& val);
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/// Prepares a float deque.
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virtual void prepare(std::size_t pos, const std::list<float>& val);
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/// Prepares a float list.
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virtual void prepare(std::size_t pos, const double&) = 0;
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/// Prepares a double.
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virtual void prepare(std::size_t pos, const std::vector<double>& val);
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/// Prepares a double vector.
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virtual void prepare(std::size_t pos, const std::deque<double>& val);
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/// Prepares a double deque.
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virtual void prepare(std::size_t pos, const std::list<double>& val);
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/// Prepares a double list.
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virtual void prepare(std::size_t pos, const char&) = 0;
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/// Prepares a single character.
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virtual void prepare(std::size_t pos, const std::vector<char>& val);
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/// Prepares a character vector.
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virtual void prepare(std::size_t pos, const std::deque<char>& val);
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/// Prepares a character deque.
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virtual void prepare(std::size_t pos, const std::list<char>& val);
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/// Prepares a character list.
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virtual void prepare(std::size_t pos, const std::string&) = 0;
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/// Prepares a string.
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virtual void prepare(std::size_t pos, const std::vector<std::string>& val);
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/// Prepares a string vector.
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virtual void prepare(std::size_t pos, const std::deque<std::string>& val);
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/// Prepares a string deque.
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virtual void prepare(std::size_t pos, const std::list<std::string>& val);
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/// Prepares a character list.
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virtual void prepare(std::size_t pos, const UTF16String&);
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/// Prepares a UTF16String.
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virtual void prepare(std::size_t pos, const std::vector<UTF16String>& val);
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/// Prepares a UTF16String vector.
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virtual void prepare(std::size_t pos, const std::deque<UTF16String>& val);
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/// Prepares a UTF16String deque.
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virtual void prepare(std::size_t pos, const std::list<UTF16String>& val);
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/// Prepares a UTF16String list.
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virtual void prepare(std::size_t pos, const BLOB&) = 0;
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/// Prepares a BLOB.
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virtual void prepare(std::size_t pos, const CLOB&) = 0;
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/// Prepares a CLOB.
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virtual void prepare(std::size_t pos, const std::vector<BLOB>& val);
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/// Prepares a BLOB vector.
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virtual void prepare(std::size_t pos, const std::deque<BLOB>& val);
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/// Prepares a BLOB deque.
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virtual void prepare(std::size_t pos, const std::list<BLOB>& val);
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/// Prepares a BLOB list.
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virtual void prepare(std::size_t pos, const std::vector<CLOB>& val);
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/// Prepares a CLOB vector.
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virtual void prepare(std::size_t pos, const std::deque<CLOB>& val);
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/// Prepares a CLOB deque.
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virtual void prepare(std::size_t pos, const std::list<CLOB>& val);
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/// Prepares a CLOB list.
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virtual void prepare(std::size_t pos, const DateTime&) = 0;
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/// Prepares a DateTime.
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virtual void prepare(std::size_t pos, const std::vector<DateTime>& val);
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/// Prepares a DateTime vector.
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virtual void prepare(std::size_t pos, const std::deque<DateTime>& val);
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/// Prepares a DateTime deque.
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virtual void prepare(std::size_t pos, const std::list<DateTime>& val);
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/// Prepares a DateTime list.
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virtual void prepare(std::size_t pos, const Date&) = 0;
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/// Prepares a Date.
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virtual void prepare(std::size_t pos, const std::vector<Date>& val);
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/// Prepares a Date vector.
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virtual void prepare(std::size_t pos, const std::deque<Date>& val);
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/// Prepares a Date deque.
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virtual void prepare(std::size_t pos, const std::list<Date>& val);
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/// Prepares a Date list.
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virtual void prepare(std::size_t pos, const Time&) = 0;
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/// Prepares a Time.
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virtual void prepare(std::size_t pos, const std::vector<Time>& val);
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/// Prepares a Time vector.
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virtual void prepare(std::size_t pos, const std::deque<Time>& val);
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/// Prepares a Time deque.
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virtual void prepare(std::size_t pos, const std::list<Time>& val);
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/// Prepares a Time list.
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virtual void prepare(std::size_t pos, const UUID&) = 0;
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/// Prepares a UUID.
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virtual void prepare(std::size_t pos, const std::vector<UUID>& val);
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/// Prepares a UUID vector.
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virtual void prepare(std::size_t pos, const std::deque<UUID>& val);
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/// Prepares a UUID deque.
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virtual void prepare(std::size_t pos, const std::list<UUID>& val);
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/// Prepares a UUID list.
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virtual void prepare(std::size_t pos, const Any&) = 0;
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/// Prepares an Any.
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virtual void prepare(std::size_t pos, const std::vector<Any>& val);
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/// Prepares an Any vector.
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virtual void prepare(std::size_t pos, const std::deque<Any>& val);
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/// Prepares an Any deque.
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virtual void prepare(std::size_t pos, const std::list<Any>& val);
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/// Prepares an Any list.
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virtual void prepare(std::size_t pos, const Poco::Dynamic::Var&) = 0;
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/// Prepares a Var.
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virtual void prepare(std::size_t pos, const std::vector<Poco::Dynamic::Var>& val);
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/// Prepares a Var vector.
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virtual void prepare(std::size_t pos, const std::deque<Poco::Dynamic::Var>& val);
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/// Prepares a Var deque.
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virtual void prepare(std::size_t pos, const std::list<Poco::Dynamic::Var>& val);
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/// Prepares a Var list.
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void setLength(Poco::UInt32 length);
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/// Sets the length of prepared data.
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/// Needed only for data lengths greater than 1 (i.e. for
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/// bulk operations).
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Poco::UInt32 getLength() const;
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/// Returns the length of prepared data. Defaults to 1.
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/// The length is greater than one for bulk operations.
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void setBulk(bool bulkPrep = true);
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/// Sets bulk operation flag (always false at object creation time)
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bool isBulk() const;
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/// Returns bulk operation flag.
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private:
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Poco::UInt32 _length;
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bool _bulk;
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};
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///
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/// inlines
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///
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inline void AbstractPreparator::setLength(Poco::UInt32 length)
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{
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_length = length;
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}
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inline Poco::UInt32 AbstractPreparator::getLength() const
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{
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return _length;
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}
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inline void AbstractPreparator::setBulk(bool bulkPrep)
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{
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_bulk = bulkPrep;
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}
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inline bool AbstractPreparator::isBulk() const
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{
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return _bulk;
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}
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} } // namespace Poco::Data
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#endif // Data_AbstractPreparator_INCLUDED
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