Table::DuplicateKeyRemover Class Reference

Removes records with identical keys. More...

Inheritance diagram for Table::DuplicateKeyRemover:

Public Member Functions
	DuplicateKeyRemover ()
bool	accept (BufferStringSet &) const override
	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
int	nrdone_
int	nrremoved_
BufferStringSet	prevkeys_

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

DuplicateKeyRemover()

Table::DuplicateKeyRemover::DuplicateKeyRemover ( )

inline

Member Function Documentation

accept()

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

overridevirtual

if false returned, the row should not be written

Implements Table::Converter::RowManipulator.

nrRemoved()

int Table::DuplicateKeyRemover::nrRemoved ( ) const

inline

setPrevKeys()

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

protected

Member Data Documentation

keycols_

TypeSet<int> Table::DuplicateKeyRemover::keycols_

column numbers (mand)

nrdone_

int Table::DuplicateKeyRemover::nrdone_

mutableprotected

nrremoved_

int Table::DuplicateKeyRemover::nrremoved_

mutableprotected

prevkeys_

BufferStringSet Table::DuplicateKeyRemover::prevkeys_

mutableprotected