/usr/include/Poco/Data/MySQL/MySQLStatementImpl.h is in libpoco-dev 1.8.0.1-1ubuntu4.
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// MySQLstatementImpl.h
//
// Library: Data/MySQL
// Package: MySQL
// Module: MySQLstatementImpl
//
// Definition of the MySQLStatementImpl class.
//
// Copyright (c) 2008, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Data_MySQL_MySQLStatementImpl_INCLUDED
#define Data_MySQL_MySQLStatementImpl_INCLUDED
#include "Poco/Data/MySQL/MySQL.h"
#include "Poco/Data/MySQL/SessionImpl.h"
#include "Poco/Data/MySQL/Binder.h"
#include "Poco/Data/MySQL/Extractor.h"
#include "Poco/Data/MySQL/StatementExecutor.h"
#include "Poco/Data/MySQL/ResultMetadata.h"
#include "Poco/Data/StatementImpl.h"
#include "Poco/SharedPtr.h"
#include "Poco/Format.h"
namespace Poco {
namespace Data {
namespace MySQL {
class MySQL_API MySQLStatementImpl: public Poco::Data::StatementImpl
/// Implements statement functionality needed for MySQL
{
public:
MySQLStatementImpl(SessionImpl& s);
/// Creates the MySQLStatementImpl.
~MySQLStatementImpl();
/// Destroys the MySQLStatementImpl.
protected:
virtual std::size_t columnsReturned() const;
/// Returns number of columns returned by query.
virtual int affectedRowCount() const;
/// Returns the number of affected rows.
/// Used to find out the number of rows affected by insert, delete or update.
virtual const MetaColumn& metaColumn(std::size_t pos) const;
/// Returns column meta data.
virtual bool hasNext();
/// Returns true if a call to next() will return data.
virtual std::size_t next();
/// Retrieves the next row from the resultset.
/// Will throw, if the resultset is empty.
virtual bool canBind() const;
/// Returns true if a valid statement is set and we can bind.
virtual bool canCompile() const;
/// Returns true if another compile is possible.
virtual void compileImpl();
/// Compiles the statement, doesn't bind yet
virtual void bindImpl();
/// Binds parameters
virtual Poco::Data::AbstractExtractor::Ptr extractor();
/// Returns the concrete extractor used by the statement.
virtual Poco::Data::AbstractBinder::Ptr binder();
/// Returns the concrete binder used by the statement.
private:
enum
{
NEXT_DONTKNOW,
NEXT_TRUE,
NEXT_FALSE
};
StatementExecutor _stmt;
ResultMetadata _metadata;
Binder::Ptr _pBinder;
Extractor::Ptr _pExtractor;
int _hasNext;
};
} } } // namespace Poco::Data::MySQL
#endif // Data_MySQL_MySQLStatementImpl_INCLUDED
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