Column-oriented GPU-accelerated Database Management System
CoGaDB
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This class represents a bit vector compressed column with type T, is the base class for all compressed typed column classes. More...
#include <bit_vector_compressed_column.hpp>
Public Member Functions | |
BitVectorCompressedColumn (const sstring &name, AttributeType db_type) | |
~BitVectorCompressedColumn () | |
bool | insert (const boost::any &new_value) |
appends a value new_Value to end of column | |
bool | insert (const T &new_value) |
template<typename InputIterator > | |
bool | insert (InputIterator first, InputIterator last) |
bool | update (TID tid, const boost::any &new_value) |
updates the value on position tid with a value new_Value | |
bool | update (PositionListPtr tids, const boost::any &new_value) |
updates the values specified by the position list with a value new_Value | |
bool | remove (TID tid) |
deletes the value on position tid | |
bool | remove (PositionListPtr tids) |
deletes the values defined in the position list | |
bool | clearContent () |
deletes all values stored in the column | |
const boost::any | get (TID tid) |
generic function for fetching a value form a column (slow) | |
void | print () const throw () |
prints the content of a column | |
size_t | size () const throw () |
returns the number of values (rows) in a column | |
unsigned int | getSizeinBytes () const throw () |
returns the size in bytes the column consumes in main memory | |
const ColumnPtr | copy () const |
virtual copy constructor | |
bool | store (const sstring &path_) |
store a column on the disc | |
bool | load (const sstring &path_) |
load column from disc | |
T & | operator[] (const int index) |
defines operator[] for this class, which enables the user to thread all typed columns as arrays. | |
BitVectorCompressedColumn (const sstring &name, AttributeType db_type) | |
~BitVectorCompressedColumn () | |
bool | insert (const boost::any &new_value) |
appends a value new_Value to end of column | |
bool | insert (const T &new_value) |
template<typename InputIterator > | |
bool | insert (InputIterator first, InputIterator last) |
bool | update (TID tid, const boost::any &new_value) |
updates the value on position tid with a value new_Value | |
bool | update (PositionListPtr tids, const boost::any &new_value) |
updates the values specified by the position list with a value new_Value | |
bool | remove (TID tid) |
deletes the value on position tid | |
bool | remove (PositionListPtr tids) |
deletes the values defined in the position list | |
bool | clearContent () |
deletes all values stored in the column | |
const boost::any | get (TID tid) |
generic function for fetching a value form a column (slow) | |
void | print () const throw () |
prints the content of a column | |
size_t | size () const throw () |
returns the number of values (rows) in a column | |
unsigned int | getSizeinBytes () const throw () |
returns the size in bytes the column consumes in main memory | |
const ColumnPtr | copy () const |
virtual copy constructor | |
bool | store (const sstring &path_) |
store a column on the disc | |
bool | load (const sstring &path_) |
load column from disc | |
T & | operator[] (const int index) |
defines operator[] for this class, which enables the user to thread all typed columns as arrays. | |
Private Member Functions | |
bool | reorganizeAfterInsert (const T &new_Value) |
void | reorganizeAfterRemove (TID tid) |
sstring | buildNewKey () |
sstring | buildNewKey (TID tid) |
sstring | getPath (const sstring &path_) |
int | countValueForKey (const sstring key) |
sstring | getKey (const int index) |
bool | reorganizeAfterInsert (const T &new_Value) |
void | reorganizeAfterRemove (TID tid) |
sstring | buildNewKey () |
sstring | buildNewKey (TID tid) |
sstring | getPath (const sstring &path_) |
int | countValueForKey (const sstring key) |
sstring | getKey (const int index) |
Private Attributes | |
std::map< sstring, T > | bitVectorMap |
This class represents a bit vector compressed column with type T, is the base class for all compressed typed column classes.
CoGaDB::BitVectorCompressedColumn< T >::BitVectorCompressedColumn | ( | const sstring & | name, |
AttributeType | db_type | ||
) |
CoGaDB::BitVectorCompressedColumn< T >::~BitVectorCompressedColumn | ( | ) |
CoGaDB::BitVectorCompressedColumn< T >::BitVectorCompressedColumn | ( | const sstring & | name, |
AttributeType | db_type | ||
) |
CoGaDB::BitVectorCompressedColumn< T >::~BitVectorCompressedColumn | ( | ) |
sstring CoGaDB::BitVectorCompressedColumn< T >::buildNewKey | ( | ) | [private] |
sstring CoGaDB::BitVectorCompressedColumn< T >::buildNewKey | ( | ) | [private] |
sstring CoGaDB::BitVectorCompressedColumn< T >::buildNewKey | ( | TID | tid | ) | [private] |
References CoGaDB::one, and CoGaDB::zero.
sstring CoGaDB::BitVectorCompressedColumn< T >::buildNewKey | ( | TID | tid | ) | [private] |
bool CoGaDB::BitVectorCompressedColumn< T >::clearContent | ( | ) | [virtual] |
deletes all values stored in the column
Implements CoGaDB::CompressedColumn< T >.
bool CoGaDB::BitVectorCompressedColumn< T >::clearContent | ( | ) | [virtual] |
deletes all values stored in the column
Implements CoGaDB::CompressedColumn< T >.
const ColumnPtr CoGaDB::BitVectorCompressedColumn< T >::copy | ( | ) | const [virtual] |
virtual copy constructor
Implements CoGaDB::CompressedColumn< T >.
const ColumnPtr CoGaDB::BitVectorCompressedColumn< T >::copy | ( | ) | const [virtual] |
virtual copy constructor
Implements CoGaDB::CompressedColumn< T >.
int CoGaDB::BitVectorCompressedColumn< T >::countValueForKey | ( | const sstring | key | ) | [private] |
References CoGaDB::one.
int CoGaDB::BitVectorCompressedColumn< T >::countValueForKey | ( | const sstring | key | ) | [private] |
const boost::any CoGaDB::BitVectorCompressedColumn< T >::get | ( | TID | tid | ) | [virtual] |
generic function for fetching a value form a column (slow)
check whether the object is valid (e.g., when a tid is not valid, then the returned object is invalid as well)
Implements CoGaDB::CompressedColumn< T >.
const boost::any CoGaDB::BitVectorCompressedColumn< T >::get | ( | TID | tid | ) | [virtual] |
generic function for fetching a value form a column (slow)
check whether the object is valid (e.g., when a tid is not valid, then the returned object is invalid as well)
Implements CoGaDB::CompressedColumn< T >.
sstring CoGaDB::BitVectorCompressedColumn< T >::getKey | ( | const int | index | ) | [private] |
sstring CoGaDB::BitVectorCompressedColumn< T >::getKey | ( | const int | index | ) | [private] |
References CoGaDB::one.
sstring CoGaDB::BitVectorCompressedColumn< T >::getPath | ( | const sstring & | path_ | ) | [private] |
sstring CoGaDB::BitVectorCompressedColumn< T >::getPath | ( | const sstring & | path_ | ) | [private] |
unsigned int CoGaDB::BitVectorCompressedColumn< T >::getSizeinBytes | ( | ) | const throw () [virtual] |
returns the size in bytes the column consumes in main memory
Implements CoGaDB::CompressedColumn< T >.
unsigned int CoGaDB::BitVectorCompressedColumn< T >::getSizeinBytes | ( | ) | const throw () [virtual] |
returns the size in bytes the column consumes in main memory
Implements CoGaDB::CompressedColumn< T >.
bool CoGaDB::BitVectorCompressedColumn< T >::insert | ( | const boost::any & | new_Value | ) | [virtual] |
appends a value new_Value to end of column
Implements CoGaDB::CompressedColumn< T >.
bool CoGaDB::BitVectorCompressedColumn< T >::insert | ( | const boost::any & | new_Value | ) | [virtual] |
appends a value new_Value to end of column
Implements CoGaDB::CompressedColumn< T >.
bool CoGaDB::BitVectorCompressedColumn< T >::insert | ( | const T & | new_value | ) | [virtual] |
Implements CoGaDB::CompressedColumn< T >.
bool CoGaDB::BitVectorCompressedColumn< T >::insert | ( | const T & | new_value | ) | [virtual] |
Implements CoGaDB::CompressedColumn< T >.
bool CoGaDB::BitVectorCompressedColumn< T >::insert | ( | InputIterator | first, |
InputIterator | last | ||
) |
bool CoGaDB::BitVectorCompressedColumn< T >::insert | ( | InputIterator | first, |
InputIterator | last | ||
) |
bool CoGaDB::BitVectorCompressedColumn< T >::load | ( | const sstring & | path | ) | [virtual] |
load column from disc
calling load on a column that is not empty yields undefined behaviour
Implements CoGaDB::CompressedColumn< T >.
bool CoGaDB::BitVectorCompressedColumn< T >::load | ( | const sstring & | path | ) | [virtual] |
load column from disc
calling load on a column that is not empty yields undefined behaviour
Implements CoGaDB::CompressedColumn< T >.
T & CoGaDB::BitVectorCompressedColumn< T >::operator[] | ( | const int | index | ) | [virtual] |
defines operator[] for this class, which enables the user to thread all typed columns as arrays.
Note that this method is pure virtual, so it has to be defined in a derived class.
Implements CoGaDB::CompressedColumn< T >.
T& CoGaDB::BitVectorCompressedColumn< T >::operator[] | ( | const int | index | ) | [virtual] |
defines operator[] for this class, which enables the user to thread all typed columns as arrays.
Note that this method is pure virtual, so it has to be defined in a derived class.
Implements CoGaDB::CompressedColumn< T >.
void CoGaDB::BitVectorCompressedColumn< T >::print | ( | ) | const throw () [virtual] |
prints the content of a column
Implements CoGaDB::CompressedColumn< T >.
void CoGaDB::BitVectorCompressedColumn< T >::print | ( | ) | const throw () [virtual] |
prints the content of a column
Implements CoGaDB::CompressedColumn< T >.
bool CoGaDB::BitVectorCompressedColumn< T >::remove | ( | TID | tid | ) | [virtual] |
deletes the value on position tid
Implements CoGaDB::CompressedColumn< T >.
bool CoGaDB::BitVectorCompressedColumn< T >::remove | ( | TID | tid | ) | [virtual] |
deletes the value on position tid
Implements CoGaDB::CompressedColumn< T >.
bool CoGaDB::BitVectorCompressedColumn< T >::remove | ( | PositionListPtr | tid | ) | [virtual] |
deletes the values defined in the position list
assumes tid list is sorted ascending
Implements CoGaDB::CompressedColumn< T >.
bool CoGaDB::BitVectorCompressedColumn< T >::remove | ( | PositionListPtr | tid | ) | [virtual] |
deletes the values defined in the position list
assumes tid list is sorted ascending
Implements CoGaDB::CompressedColumn< T >.
bool CoGaDB::BitVectorCompressedColumn< T >::reorganizeAfterInsert | ( | const T & | new_Value | ) | [private] |
References CoGaDB::one, and CoGaDB::zero.
bool CoGaDB::BitVectorCompressedColumn< T >::reorganizeAfterInsert | ( | const T & | new_Value | ) | [private] |
void CoGaDB::BitVectorCompressedColumn< T >::reorganizeAfterRemove | ( | TID | tid | ) | [private] |
void CoGaDB::BitVectorCompressedColumn< T >::reorganizeAfterRemove | ( | TID | tid | ) | [private] |
size_t CoGaDB::BitVectorCompressedColumn< T >::size | ( | ) | const throw () [virtual] |
returns the number of values (rows) in a column
Implements CoGaDB::CompressedColumn< T >.
size_t CoGaDB::BitVectorCompressedColumn< T >::size | ( | ) | const throw () [virtual] |
returns the number of values (rows) in a column
Implements CoGaDB::CompressedColumn< T >.
bool CoGaDB::BitVectorCompressedColumn< T >::store | ( | const sstring & | path | ) | [virtual] |
store a column on the disc
Implements CoGaDB::CompressedColumn< T >.
bool CoGaDB::BitVectorCompressedColumn< T >::store | ( | const sstring & | path | ) | [virtual] |
store a column on the disc
Implements CoGaDB::CompressedColumn< T >.
bool CoGaDB::BitVectorCompressedColumn< T >::update | ( | TID | tid, |
const boost::any & | new_Value | ||
) | [virtual] |
updates the value on position tid with a value new_Value
Implements CoGaDB::CompressedColumn< T >.
References CoGaDB::zero.
bool CoGaDB::BitVectorCompressedColumn< T >::update | ( | TID | tid, |
const boost::any & | new_Value | ||
) | [virtual] |
updates the value on position tid with a value new_Value
Implements CoGaDB::CompressedColumn< T >.
bool CoGaDB::BitVectorCompressedColumn< T >::update | ( | PositionListPtr | tids, |
const boost::any & | new_value | ||
) | [virtual] |
updates the values specified by the position list with a value new_Value
Implements CoGaDB::CompressedColumn< T >.
bool CoGaDB::BitVectorCompressedColumn< T >::update | ( | PositionListPtr | tids, |
const boost::any & | new_value | ||
) | [virtual] |
updates the values specified by the position list with a value new_Value
Implements CoGaDB::CompressedColumn< T >.
std::map< sstring, T > CoGaDB::BitVectorCompressedColumn< T >::bitVectorMap [private] |