Table::DuplicateKeyRemover Class Reference

Removes records with identical keys. More...

Inheritance diagram for Table::DuplicateKeyRemover:

Public Member Functions
	DuplicateKeyRemover ()
bool	accept (BufferStringSet &) const
	if false returned, the row should not be written More...
int	nrRemoved () const

Public Attributes
TypeSet< int >	keycols_
	column numbers (mand) More...

Protected Member Functions
void	setPrevKeys (const BufferStringSet &) const

Protected Attributes
BufferStringSet	prevkeys_
int	nrdone_
int	nrremoved_

Detailed Description

Removes records with identical keys.

Will only compare with previous record, so make sure the input is sorted on the keys.

Constructor & Destructor Documentation

Table::DuplicateKeyRemover::DuplicateKeyRemover ( )

inline

Member Function Documentation

bool Table::DuplicateKeyRemover::accept ( BufferStringSet &  ) const

virtual

if false returned, the row should not be written

Implements Table::Converter::RowManipulator.

int Table::DuplicateKeyRemover::nrRemoved ( ) const

inline

void Table::DuplicateKeyRemover::setPrevKeys ( const BufferStringSet &  ) const

protected

Member Data Documentation

TypeSet<int> Table::DuplicateKeyRemover::keycols_

column numbers (mand)

int Table::DuplicateKeyRemover::nrdone_

mutableprotected

int Table::DuplicateKeyRemover::nrremoved_

mutableprotected

BufferStringSet Table::DuplicateKeyRemover::prevkeys_

mutableprotected