CoGaDB::RowTable Class Reference

#include <row_table.hpp>

Inheritance diagram for CoGaDB::RowTable:

Collaboration diagram for CoGaDB::RowTable:

List of all members.

Public Types
typedef shared_pointer_namespace::shared_ptr < RowTable >	RowTablePtr
Public Member Functions
	RowTable (const string &name, const TableSchema &schema)
virtual	~RowTable ()
bool	update (PositionListPtr tids, const std::string &attribute_name, const boost::any &value)
bool	remove (PositionListPtr tids)
virtual void	print ()
	For printing the table.
virtual bool	store ()
	Stores the column in filesystem.
virtual bool	load ()
	Load Table from DB (implemented as loading from file at specific path)
virtual bool	loadDatafromFile (string filepath)
	Load table from file (not implemented). Use load()
virtual const TablePtr	materialize () const
virtual unsigned int	getNumberofRows () const throw ()
bool	isMaterialized () const throw ()
	Always true, becuase of early materialization at loading time.
virtual const Tuple	fetchTuple (const TID &id) const
	Not implemented - Returns a tuple based on TID
virtual bool	insert (const Tuple &t)
	Not implemented -
virtual bool	update (const string &attribute_name, const boost::any &value)
	Not implemented -
virtual bool	remove (const string &attribute_name, const boost::any &value)
	Not implemented -
virtual const ColumnPtr	getColumnbyName (const std::string &column_name) const throw ()
	Not implemented -
const std::vector< RowPagePtr > &	getRowPages () const
	Gets the RowPages for this table.
RowPagePtr	getPageByIndex (unsigned int index, unsigned int &prefix)
Protected Member Functions
virtual const std::vector < ColumnPtr > &	getColumns () const
Private Member Functions
void	updateMapping (unsigned int count, unsigned int value)
Private Attributes
RowTablePtr	_rtp
std::vector< RowPagePtr >	_row_pages
std::vector< unsigned int >	_row_pages_prefix
std::vector< unsigned int >	_row_page_mapping
std::vector< ColumnPtr >	_cols
unsigned int	_row_count
bool	_isMaterialized
	Always true, becuase of early materialization at loading time.

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Member Typedef Documentation

typedef shared_pointer_namespace::shared_ptr<RowTable> CoGaDB::RowTable::RowTablePtr

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Constructor & Destructor Documentation

CoGaDB::RowTable::RowTable	(	const string &	name,
		const TableSchema &	schema
	)

CoGaDB::RowTable::~RowTable

(

)

[virtual]

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Member Function Documentation

const Tuple CoGaDB::RowTable::fetchTuple

(

const TID &

id

)

const [virtual]

• Not implemented - Returns a tuple based on TID

Implements CoGaDB::BaseTable.

const ColumnPtr CoGaDB::RowTable::getColumnbyName

(

const std::string &

column_name

)

const throw () [virtual]

• Not implemented -

Implements CoGaDB::BaseTable.

References CoGaDB::util::getName().

Referenced by print().

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const vector< ColumnPtr > & CoGaDB::RowTable::getColumns

(

)

const [protected, virtual]

Implements CoGaDB::BaseTable.

References _cols.

unsigned int CoGaDB::RowTable::getNumberofRows

(

)

const throw () [virtual]

Not implemented

Reimplemented from CoGaDB::BaseTable.

References _row_count.

RowPagePtr CoGaDB::RowTable::getPageByIndex	(	unsigned int	index,
		unsigned int &	prefix
	)

References _row_page_mapping, _row_pages, and _row_pages_prefix.

const std::vector< RowPagePtr > & CoGaDB::RowTable::getRowPages

(

)

const

Gets the RowPages for this table.

References _row_pages.

bool CoGaDB::RowTable::insert

(

const Tuple &

t

)

[virtual]

• Not implemented -

Implements CoGaDB::BaseTable.

bool CoGaDB::RowTable::isMaterialized

(

)

const throw () [virtual]

Always true, becuase of early materialization at loading time.

Implements CoGaDB::BaseTable.

References _isMaterialized.

bool CoGaDB::RowTable::load

(

)

[virtual]

Load Table from DB (implemented as loading from file at specific path)

Implements CoGaDB::BaseTable.

References _cols, _row_count, _row_pages, _rtp, CoGaDB::BOOLEAN, CoGaDB::RowPage::count(), CoGaDB::RowPage::fillPage(), CoGaDB::FLOAT, CoGaDB::BufferManager::getInstance(), CoGaDB::BufferManager::getPages(), CoGaDB::BaseTable::getSchema(), CoGaDB::getTimestamp(), CoGaDB::INT, CoGaDB::BaseTable::name_, updateMapping(), and CoGaDB::VARCHAR.

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bool CoGaDB::RowTable::loadDatafromFile

(

string

filepath

)

[virtual]

Load table from file (not implemented). Use load()

Implements CoGaDB::BaseTable.

const TablePtr CoGaDB::RowTable::materialize

(

)

const [virtual]

Implements CoGaDB::BaseTable.

void CoGaDB::RowTable::print

(

)

[virtual]

For printing the table.

Implements CoGaDB::BaseTable.

References _row_count, CoGaDB::BOOLEAN, CoGaDB::FLOAT, getColumnbyName(), CoGaDB::BaseTable::getSchema(), CoGaDB::INT, and CoGaDB::VARCHAR.

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bool CoGaDB::RowTable::remove

(

PositionListPtr

tids

)

bool CoGaDB::RowTable::remove	(	const string &	attribute_name,
		const boost::any &	value
	)		[virtual]

• Not implemented -

Implements CoGaDB::BaseTable.

bool CoGaDB::RowTable::store

(

)

[virtual]

Stores the column in filesystem.

Implements CoGaDB::BaseTable.

bool CoGaDB::RowTable::update	(	PositionListPtr	tids,
		const std::string &	attribute_name,
		const boost::any &	value
	)

bool CoGaDB::RowTable::update	(	const string &	attribute_name,
		const boost::any &	value
	)		[virtual]

• Not implemented -

Implements CoGaDB::BaseTable.

void CoGaDB::RowTable::updateMapping	(	unsigned int	count,
		unsigned int	value
	)		[private]

References _row_count, _row_page_mapping, and _row_pages_prefix.

Referenced by load().

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Member Data Documentation

std::vector<ColumnPtr> CoGaDB::RowTable::_cols [private]

Referenced by getColumns(), and load().

bool CoGaDB::RowTable::_isMaterialized [private]

Always true, becuase of early materialization at loading time.

Referenced by isMaterialized().

unsigned int CoGaDB::RowTable::_row_count [private]

Referenced by getNumberofRows(), load(), print(), and updateMapping().

std::vector<unsigned int> CoGaDB::RowTable::_row_page_mapping [private]

Referenced by getPageByIndex(), and updateMapping().

std::vector<RowPagePtr> CoGaDB::RowTable::_row_pages [private]

Referenced by getPageByIndex(), getRowPages(), and load().

std::vector<unsigned int> CoGaDB::RowTable::_row_pages_prefix [private]

Referenced by getPageByIndex(), and updateMapping().

RowTablePtr CoGaDB::RowTable::_rtp [private]

Referenced by load().

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The documentation for this class was generated from the following files:

• /home/sebastian/gpudbms/trunk/cogadb/include/core/row_table.hpp
• /home/sebastian/gpudbms/trunk/cogadb/src/core/row_table.cpp