General: Table::DuplicateKeyRemover Class Reference

Removes records with identical keys. More...

Inheritance diagram for Table::DuplicateKeyRemover:

List of all members.

Public Member Functions
	DuplicateKeyRemover ()
bool	accept (BufferStringSet &) const
	if false returned, the row should not be written
int	nrRemoved () const
Public Attributes
TypeSet< int >	keycols_
	column numbers (mand)
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_ [mutable, protected]

int Table::DuplicateKeyRemover::nrremoved_ [mutable, protected]

BufferStringSet Table::DuplicateKeyRemover::prevkeys_ [mutable, protected]