kuzu::common::NullMask Class Reference

#include <null_mask.h>

Public Member Functions
	NullMask (uint64_t capacity)
	NullMask (std::span< uint64_t > nullData, bool mayContainNulls)
void	setAllNonNull ()
void	setAllNull ()
bool	hasNoNullsGuarantee () const
uint64_t	countNulls () const
void	setNull (uint32_t pos, bool isNull)
bool	isNull (uint32_t pos) const
const uint64_t *	getData () const
bool	copyFrom (const NullMask &nullMask, uint64_t srcOffset, uint64_t dstOffset, uint64_t numBitsToCopy, bool invert=false)
bool	copyFromNullBits (const uint64_t *srcNullEntries, uint64_t srcOffset, uint64_t dstOffset, uint64_t numBitsToCopy, bool invert=false)
void	setNullFromRange (uint64_t offset, uint64_t numBitsToSet, bool isNull)
void	resize (uint64_t capacity)
void	operator|= (const NullMask &other)

Static Public Member Functions
static void	setNull (uint64_t *nullEntries, uint32_t pos, bool isNull)
static bool	isNull (const uint64_t *nullEntries, uint32_t pos)
static uint64_t	getNumNullEntries (uint64_t numNullBits)
static bool	copyNullMask (const uint64_t *srcNullEntries, uint64_t srcOffset, uint64_t *dstNullEntries, uint64_t dstOffset, uint64_t numBitsToCopy, bool invert=false)
static void	setNullRange (uint64_t *nullEntries, uint64_t offset, uint64_t numBitsToSet, bool isNull)
static std::pair< bool, bool >	getMinMax (const uint64_t *nullEntries, uint64_t numValues)

Static Public Attributes
static constexpr uint64_t	NO_NULL_ENTRY = 0
static constexpr uint64_t	ALL_NULL_ENTRY = ~uint64_t(NO_NULL_ENTRY)
static constexpr uint64_t	NUM_BITS_PER_NULL_ENTRY_LOG2 = 6
static constexpr uint64_t	NUM_BITS_PER_NULL_ENTRY = (uint64_t)1 << NUM_BITS_PER_NULL_ENTRY_LOG2
static constexpr uint64_t	NUM_BYTES_PER_NULL_ENTRY = NUM_BITS_PER_NULL_ENTRY >> 3

Constructor & Destructor Documentation

NullMask() [1/2]

kuzu::common::NullMask::NullMask ( uint64_t capacity )

inlineexplicit

NullMask() [2/2]

kuzu::common::NullMask::NullMask ( std::span< uint64_t > nullData, bool mayContainNulls )

inlineexplicit

Member Function Documentation

copyFrom()

bool kuzu::common::NullMask::copyFrom ( const NullMask & nullMask, uint64_t srcOffset, uint64_t dstOffset, uint64_t numBitsToCopy, bool invert = false )

inline

copyFromNullBits()

bool kuzu::common::NullMask::copyFromNullBits	(	const uint64_t *	srcNullEntries,
		uint64_t	srcOffset,
		uint64_t	dstOffset,
		uint64_t	numBitsToCopy,
		bool	invert = false )

copyNullMask()

static bool kuzu::common::NullMask::copyNullMask ( const uint64_t * srcNullEntries, uint64_t srcOffset, uint64_t * dstNullEntries, uint64_t dstOffset, uint64_t numBitsToCopy, bool invert = false )

static

countNulls()

uint64_t kuzu::common::NullMask::countNulls

(

)

const

getData()

const uint64_t * kuzu::common::NullMask::getData ( ) const

inline

getMinMax()

static std::pair< bool, bool > kuzu::common::NullMask::getMinMax ( const uint64_t * nullEntries, uint64_t numValues )

static

getNumNullEntries()

static uint64_t kuzu::common::NullMask::getNumNullEntries ( uint64_t numNullBits )

inlinestatic

hasNoNullsGuarantee()

bool kuzu::common::NullMask::hasNoNullsGuarantee ( ) const

inline

isNull() [1/2]

static bool kuzu::common::NullMask::isNull ( const uint64_t * nullEntries, uint32_t pos )

inlinestatic

isNull() [2/2]

bool kuzu::common::NullMask::isNull ( uint32_t pos ) const

inline

operator|=()

void kuzu::common::NullMask::operator|=

(

const NullMask &

other

)

resize()

void kuzu::common::NullMask::resize

(

uint64_t

capacity

)

setAllNonNull()

void kuzu::common::NullMask::setAllNonNull ( )

inline

setAllNull()

void kuzu::common::NullMask::setAllNull ( )

inline

setNull() [1/2]

void kuzu::common::NullMask::setNull ( uint32_t pos, bool isNull )

inline

setNull() [2/2]

static void kuzu::common::NullMask::setNull ( uint64_t * nullEntries, uint32_t pos, bool isNull )

static

setNullFromRange()

void kuzu::common::NullMask::setNullFromRange	(	uint64_t	offset,
		uint64_t	numBitsToSet,
		bool	isNull )

setNullRange()

static void kuzu::common::NullMask::setNullRange ( uint64_t * nullEntries, uint64_t offset, uint64_t numBitsToSet, bool isNull )

static

Member Data Documentation

ALL_NULL_ENTRY

uint64_t kuzu::common::NullMask::ALL_NULL_ENTRY = ~uint64_t(NO_NULL_ENTRY)

staticconstexpr

NO_NULL_ENTRY

uint64_t kuzu::common::NullMask::NO_NULL_ENTRY = 0

staticconstexpr

NUM_BITS_PER_NULL_ENTRY

uint64_t kuzu::common::NullMask::NUM_BITS_PER_NULL_ENTRY = (uint64_t)1 << NUM_BITS_PER_NULL_ENTRY_LOG2

staticconstexpr

NUM_BITS_PER_NULL_ENTRY_LOG2

uint64_t kuzu::common::NullMask::NUM_BITS_PER_NULL_ENTRY_LOG2 = 6

staticconstexpr

NUM_BYTES_PER_NULL_ENTRY

uint64_t kuzu::common::NullMask::NUM_BYTES_PER_NULL_ENTRY = NUM_BITS_PER_NULL_ENTRY >> 3

staticconstexpr

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The documentation for this class was generated from the following file:

• headers/null_mask.h