A class to store short integer values. More...

#include <colValues.h>

Inheritance diagram for ibis::colShorts:

Public Member Functions
virtual void	bottomk (uint32_t k, array_t< uint32_t > &ind) const
	Return the positions of the `k` smallest elements.

	colShorts (const ibis::column *c, const ibis::bitvector &hits)

	colShorts (const ibis::column c, ibis::fileManager::storage store, const uint32_t start, const uint32_t nelm)

	colShorts (const ibis::column *c)

virtual uint32_t	elementSize () const

virtual bool	empty () const

virtual void	erase (uint32_t i, uint32_t j)

virtual void *	getArray () const
	Return the pointer to the pointer to underlying array_t<T> object.

virtual double	getDouble (uint32_t i) const

virtual float	getFloat (uint32_t i) const

virtual int32_t	getInt (uint32_t i) const

virtual int64_t	getLong (uint32_t i) const

virtual double	getMax () const

virtual double	getMin () const

virtual double	getSum () const

virtual ibis::TYPE_T	getType () const
	Return the type of the data stored.

virtual uint32_t	getUInt (uint32_t i) const

virtual uint64_t	getULong (uint32_t i) const

virtual void	nosharing ()
	Make sure the content of the underlying storage is not shared.

virtual void	reduce (const array_t< uint32_t > &starts)
	Remove the duplicate elements according to the array starts.

virtual void	reduce (const array_t< uint32_t > &starts, ibis::selectClause::AGREGADO func)
	Remove the duplicate elements according to the array starts.

virtual void	reorder (const array_t< uint32_t > &ind)
	Reorder the values according to the specified indices. More...

virtual array_t< uint32_t > *	segment (const array_t< uint32_t > *old=0) const
	Produce an array of the starting positions of values that are the same. More...

virtual uint32_t	size () const

virtual void	sort (uint32_t i, uint32_t j, bundle *bdl)
	Sort rows in the range `[i, j)`.

virtual void	sort (uint32_t i, uint32_t j, bundle *bdl, colList::iterator head, colList::iterator tail)
	Sort rows in the range `[i, j)`. More...

virtual void	sort (uint32_t i, uint32_t j, array_t< uint32_t > &neworder) const
	Sort rows in the range `[i, j)`. More...

virtual void	swap (uint32_t i, uint32_t j)

void	swap (colShorts &rhs)

virtual void	topk (uint32_t k, array_t< uint32_t > &ind) const
	Return the positions of the `k` largest elements.

virtual long	truncate (uint32_t keep)
	Truncate the number element to no more than `keep`.

virtual long	truncate (uint32_t keep, uint32_t start)
	Truncate the number element to no more than `keep`.

virtual long	write (FILE *fptr) const
	Write out whole array as binary.

virtual void	write (std::ostream &out, uint32_t i) const
	Write ith element as text.

Public Member Functions inherited from ibis::colValues
bool	canSort () const

const ibis::column *	columnPointer () const

const char *	name () const
	Name.

const ibis::column *	operator-> () const
	Provide a pointer to the column containing the selected values.

void	setTimeFormat (const char , const char =0)
	Add a custom format for the column to be interpretted as unix time stamps.

void	swap (colValues &rhs)

Additional Inherited Members
Static Public Member Functions inherited from ibis::colValues
static colValues *	create (const ibis::column *c)
	Implementation of the colValues class hierarchy. More...

static colValues *	create (const ibis::column *c, const ibis::bitvector &hits)
	Construct from a hit vector.

static colValues *	create (const ibis::column c, ibis::fileManager::storage store, const uint32_t start, const uint32_t end)
	Construct from content of the file (pointed by `store`). More...

Protected Member Functions inherited from ibis::colValues
	colValues (const ibis::column *c)

Protected Attributes inherited from ibis::colValues
const ibis::column *	col

ibis::column::unixTimeScribe *	utform
	!< The column where the value is from.