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/* This file is part of VoltDB.
* Copyright (C) 2008-2015 VoltDB Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef VOLTDB_TABLE_H_
#define VOLTDB_TABLE_H_
#include "ByteBuffer.hpp"
#include <boost/shared_ptr.hpp>
#include <vector>
#include "Column.hpp"
#include <sstream>
#include <iostream>
namespace voltdb {
class TableIterator;
class RowBuilder;
/*
* Reprentation of result tables returns by VoltDB.
*/
class Table {
friend class RowBuilder;
public:
/*
* Construct a table from a shared buffer. The table retains a reference
* to the shared buffer indefinitely so watch out for unwanted memory retension.
*/
Table(SharedByteBuffer buffer);
Table() { m_err = errOk; }
~Table() {
}
/*
* Returns an iterator for iterating over the rows of this table
*/
TableIterator iterator();
errType getErr() { return m_err; }
/*
* Returns the status code associated with this table that was set by the stored procedure.
* Default value if not set is -128
*/
int8_t getStatusCode();
/*
* Retrieve the number of rows contained in this table
*/
int32_t rowCount();
/*
* Retrieve a copy of the column metadata.
*/
std::vector<voltdb::Column> columns();
/*
* Retrieve the number of columns in this table's schema.
*/
int32_t columnCount();
/*
* Returns a string representation of this table and all of its rows.
*/
std::string toString();
/*
* Returns a string representation of this table and all of its rows with
* the specified level of indentation before each line.
*/
void toString(std::ostringstream &ostream, std::string indent);
private:
errType m_err;
int8_t m_status;
boost::shared_ptr<std::vector<voltdb::Column> > m_columns;
int32_t m_rowStart;
int32_t m_rowCount;
voltdb::SharedByteBuffer m_buffer;
};
}
#endif /* VOLTDB_TABLE_H_ */