: Represents an in-memory block of tuples More...

Inheritance diagram for Vertica::VerticaBlock:

Collaboration diagram for Vertica::VerticaBlock:

Classes
struct	NestedBlockPtr

Public Member Functions
	VerticaBlock (size_t ncols, int rowcount, const int *indices)

void	copy (const VerticaBlock &other)

template<class T >
const T *	getColPtr (size_t idx) const

template<>
const VString *	getColPtr (size_t idx) const

template<>
const VNumeric *	getColPtr (size_t idx) const

template<>
const VUuid *	getColPtr (size_t idx) const

template<>
const BlockReader *	getColPtr (size_t idx) const

template<class T >
T *	getColPtrForWrite (size_t idx)

template<>
VString *	getColPtrForWrite (size_t idx)

template<>
VNumeric *	getColPtrForWrite (size_t idx)

template<>
VUuid *	getColPtrForWrite (size_t idx)

template<>
BlockWriter *	getColPtrForWrite (size_t idx)

template<class T >
const T &	getColRef (size_t idx) const

template<class T >
T &	getColRefForWrite (size_t idx)

int	getColStride (size_t idx) const

const EE::DataArea *	getDataArea (size_t idx) const

size_t	getNumCols () const

int	getNumRows () const

const SizedColumnTypes &	getTypeMetaData () const

SizedColumnTypes &	getTypeMetaData ()

void *	getVoidPtr (size_t idx=0)

const void *	getVoidPtr (size_t idx=0) const

bool	remaining () const

void	setDataArea (size_t idx, void *dataarea)

Protected Member Functions
void	addCol (char *arg, int colstride, const Field &field)

void	addCol (const char *arg, int colstride, const Field &field)

bool	checkStringUserBlockInfo (size_t idx) const

bool	checkTimeUserBlockInfo (size_t idx) const

EE::DataArea **	getArrayIntermediateDataArea (size_t c)

void	reset ()

void	resetIndex ()

void	setRowCount (int rowCount)

void	validateStringColumn (size_t idx, const VString &s, size_t colLength) const

Protected Attributes
std::vector< char * >	cols

std::vector< int >	colstrides

int	count

std::vector< NestedBlockPtr >	ctWrappers

int	index

const int *	indices

size_t	ncols

int	nrows

std::vector< BaseDataOID >	processBlockUserInfoVector

std::vector< VString >	svWrappers

SizedColumnTypes	typeMetaData

std::vector< VUuid >	uuWrappers

std::vector< VNumeric >	vnWrappers

Friends
class	::EE::Loader::OrcParser

class	::EE::Loader::ParquetParser

class	::EE::MVExprSupport

class	::EE::UserDefinedAggregate

class	::EE::UserDefinedAnalytic

class	::EE::UserDefinedProcess

class	::EE::UserDefinedTransform

class	::EE::VEval

class	AggregateFunction

class	Array::BlockSaver

struct	CPPExecContext

class	VerticaBlockSerializer

Detailed Description

: Represents an in-memory block of tuples

Member Function Documentation

void Vertica::VerticaBlock::addCol	(	char *	arg,
		int	colstride,
		const Field &	field
	)

protected

Add the location for reading a particular argument.

Parameters

arg	The base location to find data.
colstride	The stride between data instances.
field	metadata for the added column
dt	The type of input.
fieldname	the name of the field

Referenced by Vertica::ParamReader::addParameter().

EE::DataArea** Vertica::VerticaBlock::getArrayIntermediateDataArea ( size_t c )

inlineprotected

Returns: a pointer to a DataArea for accumulating an intermediate result

template<class T >

const T* Vertica::VerticaBlock::getColPtr ( size_t idx ) const

inline

Returns: a pointer to the idx'th argument, cast appropriately.

Example:

const vint *a = arg_reader->getColPtr<vint>(0);

template<class T >

const T& Vertica::VerticaBlock::getColRef ( size_t idx ) const

inline

Returns: a pointer to the idx'th argument, cast appropriately.

Example: const vint a = arg_reader->getColRef<vint>(0);

size_t Vertica::VerticaBlock::getNumCols ( ) const

inline

Returns: the number of columns held by this block.

Referenced by Vertica::BlockWriter::copyFromInput(), Vertica::BlockReader::isNull(), and Vertica::BlockWriter::setNull().

int Vertica::VerticaBlock::getNumRows ( ) const

inline

Returns: the number of rows held by this block.

const SizedColumnTypes& Vertica::VerticaBlock::getTypeMetaData ( ) const

inline

Returns: information about the types and numbers of arguments

Referenced by Vertica::ParamReader::getType(), Vertica::BlockReader::isNull(), and Vertica::BlockWriter::setNull().

SizedColumnTypes& Vertica::VerticaBlock::getTypeMetaData ( )

inline

Returns: information about the types and numbers of arguments

bool Vertica::VerticaBlock::remaining ( ) const

inline

Returns: the number of entries remaining in the block

Classes

Public Member Functions

Protected Member Functions

Protected Attributes

Friends

Detailed Description

Member Function Documentation