Vertica::IntermediateAggs Class Reference

A wrapper around a single intermediate aggregate value.

Inheritance diagram for Vertica::IntermediateAggs:

Collaboration diagram for Vertica::IntermediateAggs:

Public Member Functions
	IntermediateAggs (size_t ninter)
void	copy (const VerticaBlock &other)
vbool *	getBoolPtr (size_t idx)
	Get a pointer to a BOOLEAN value from the intermediate results set.
vbool &	getBoolRef (size_t idx)
	Get a reference to a BOOLEAN value from the intermediate results set.
template
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
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
const T &	getColRef (size_t idx) const
template
T &	getColRefForWrite (size_t idx)
int	getColStride (size_t idx) const
const EE::DataArea *	getDataArea (size_t idx) const
DateADT *	getDatePtr (size_t idx)
	Get a pointer to a DATE value from the intermediate results set.
DateADT &	getDateRef (size_t idx)
	Get a reference to a DATE value from the intermediate results set.
vfloat *	getFloatPtr (size_t idx)
	Get a pointer to a FLOAT value from the intermediate results set.
vfloat &	getFloatRef (size_t idx)
	Get a reference to a FLOAT value from the intermediate results set.
Interval *	getIntervalPtr (size_t idx)
	Get a pointer to an INTERVAL value from the intermediate results set.
Interval &	getIntervalRef (size_t idx)
	Get a reference to an INTERVAL value from the intermediate results set.
IntervalYM *	getIntervalYMPtr (size_t idx)
	Get a pointer to a INTERVAL YEAR TO MONTH value from the intermediate results set.
IntervalYM &	getIntervalYMRef (size_t idx)
	Get a reference to an INTERVAL YEAR TO MONTH value from the intermediate results set.
vint *	getIntPtr (size_t idx)
	Get a pointer to an INTEGER value from the intermediate results set.
vint &	getIntRef (size_t idx)
	Get a reference to an INTEGER value from the intermediate results set.
size_t	getNumCols () const
VNumeric *	getNumericPtr (size_t idx)
	Get a pointer to a VNumeric value from the intermediate results set.
VNumeric &	getNumericRef (size_t idx)
	Get a reference to a VNumeric value from the intermediate results set.
int	getNumRows () const
VString *	getStringPtr (size_t idx)
	Get a pointer to a VString value from the intermediate results set.
VString &	getStringRef (size_t idx)
	Get a reference to an VString value from the intermediate results set.
TimeADT *	getTimePtr (size_t idx)
	Get a pointer to a TIME value from the intermediate results set.
TimeADT &	getTimeRef (size_t idx)
	Get a reference to a TIME value from the intermediate results set.
Timestamp *	getTimestampPtr (size_t idx)
	Get a pointer to a TIMESTAMP value from the intermediate results set.
Timestamp &	getTimestampRef (size_t idx)
	Get a reference to a TIMESTAMP value from the intermediate results set.
TimestampTz *	getTimestampTzPtr (size_t idx)
	Get a pointer to a TIMESTAMP WITH TIMEZONE value from the intermediate results set.
TimestampTz &	getTimestampTzRef (size_t idx)
	Get a reference to a TIMESTAMP WITH TIMEZONE value from the intermediate results set.
TimeTzADT *	getTimeTzPtr (size_t idx)
	Get a pointer to a TIME WITH TIMEZONE value from the intermediate results set.
TimeTzADT &	getTimeTzRef (size_t idx)
	Get a reference to a TIME WITH TIMEZONE value from the intermediate results set.
const SizedColumnTypes &	getTypeMetaData () const
SizedColumnTypes &	getTypeMetaData ()
VUuid *	getUuidPtr (size_t idx)
	Get a pointer to a VUuid value from the intermediate results set.
VUuid &	getUuidRef (size_t idx)
	Get a reference to a VUuid value from the intermediate results set.
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	cols
std::vector	colstrides
int	count
std::vector	ctWrappers
int	index
const int *	indices
size_t	ncols
int	nrows
std::vector	processBlockUserInfoVector
std::vector	svWrappers
SizedColumnTypes	typeMetaData
std::vector	uuWrappers
std::vector	vnWrappers

Detailed Description

A wrapper around a single intermediate aggregate value.

Member Function Documentation

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

protected inherited 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)

inlineprotectedinherited

Returns a pointer to a DataArea for accumulating an intermediate result

vbool* Vertica::IntermediateAggs::getBoolPtr(size_t idx)

inline Get a pointer to a BOOLEAN value from the intermediate results set.

Parameters

• idx: The column number in the intermediate results set to retrieve.

Returns A pointer to the retrieved value cast as a BOOLEAN.

Referenced by getBoolRef().

vbool& Vertica::IntermediateAggs::getBoolRef(size_t idx)

inline Get a reference to a BOOLEAN value from the intermediate results set.

Parameters

• idx: The column number to retrieve from the intermediate results set.

Returns a reference to the idx'th argument, cast as an BOOLEAN.

template<class T >

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

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

Example:

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

template<class T >

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

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

Example

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

DateADT* Vertica::IntermediateAggs::getDatePtr(size_t idx)

inline Get a pointer to a DATE value from the intermediate results set.

Parameters

• idx: The column number in the intermediate results set to retrieve.

Returns A pointer to the retrieved value cast as a DATE.

Referenced by getDateRef().

DateADT& Vertica::IntermediateAggs::getDateRef(size_t idx)

inline Get a reference to a DATE value from the intermediate results set.

Parameters

• idx: The column number to retrieve from the intermediate results set.

Returns a reference to the idx'th argument, cast as an DATE.

vfloat* Vertica::IntermediateAggs::getFloatPtr(size_t idx)

inline Get a pointer to a FLOAT value from the intermediate results set.

Parameters

• idx: The column number in the intermediate results set to retrieve.

Returns A pointer to the retrieved value cast as a FLOAT.

Referenced by getFloatRef().

vfloat& Vertica::IntermediateAggs::getFloatRef(size_t idx)

inline Get a reference to a FLOAT value from the intermediate results set.

Parameters

• idx: The column number to retrieve from the intermediate results set.

Returns A reference to the idx'th argument, cast as an FLOAT.

Interval* Vertica::IntermediateAggs::getIntervalPtr(size_t idx)

inline Get a pointer to an INTERVAL value from the intermediate results set.

Parameters

• idx: The column number in the intermediate results set to retrieve.

Returns A pointer to the retrieved value cast as an INTERVAL.

Referenced by getIntervalRef().

Interval& Vertica::IntermediateAggs::getIntervalRef(size_t idx)

inline Get a reference to an INTERVAL value from the intermediate results set.

Parameters

• idx: The column number to retrieve from the intermediate results set.

Returns a reference to the idx'th argument, cast as an INTERVAL.

IntervalYM* Vertica::IntermediateAggs::getIntervalYMPtr(size_t idx)

inline Get a pointer to a INTERVAL YEAR TO MONTH value from the intermediate results set.

Parameters

• idx: The column number in the intermediate results set to retrieve.

Returns A point to the retrieved value cast as a INTERVAL YEAR TO MONTH.

Referenced by getIntervalYMRef().

IntervalYM& Vertica::IntermediateAggs::getIntervalYMRef(size_t idx)

inline Get a reference to an INTERVAL YEAR TO MONTH value from the intermediate results set.

Parameters

• idx: The column number to retrieve from the intermediate results set.

Returns a reference to the idx'th argument, cast as an INTERVAL YEAR TO MONTH.

vint* Vertica::IntermediateAggs::getIntPtr(size_t idx)

inline Get a pointer to an INTEGER value from the intermediate results set.

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

Parameters

• idx: The column number to retrieve from the intermediate results set.

Example:

vint *a = arg_reader->getIntPtr(0);

Referenced by getIntRef().

vint& Vertica::IntermediateAggs::getIntRef(size_t idx)

inline Get a reference to an INTEGER value from the intermediate results set.

Parameters

• idx: The column number to retrieve from the intermediate results set.

Returns a reference to the idx'th argument, cast as an INTEGER.

Example:

vint a = arg_reader->getIntRef(0);

size_t Vertica::VerticaBlock::getNumCols() const

inline inherited Returns the number of columns held by this block.

Referenced by

• Vertica::BlockWriter::copyFromInput()
• Vertica::BlockReader::isNull()
• Vertica::BlockWriter::setNull()

VNumeric* Vertica::IntermediateAggs::getNumericPtr(size_t idx)

inline Get a pointer to a VNumeric value from the intermediate results set.

Parameters

• idx: The column number to retrieve from the intermediate results set.

Returns A pointer to the retrieved value cast as a Numeric.

Referenced by getNumericRef().

VNumeric& Vertica::IntermediateAggs::getNumericRef(size_t idx)

inline Get a reference to a VNumeric value from the intermediate results set.

Parameters

• idx: The column number to retrieve from the intermediate results set.

Returns a reference to the idx'th argument, cast as an VNumeric.

int Vertica::VerticaBlock::getNumRows() const

inline inherited Returns the number of rows held by this block.

VString* Vertica::IntermediateAggs::getStringPtr(size_t idx)

inline Get a pointer to a VString value from the intermediate results set.

Parameters

• idx: The column number to retrieve from the intermediate results set.

Returns A pointer to the retrieved value cast as a VString.

Referenced by getStringRef().

VString& Vertica::IntermediateAggs::getStringRef(size_t idx)

inline Get a reference to an VString value from the intermediate results set.

Parameters

• idx: The column number to retrieve from the intermediate results set.

Returns a reference to the idx'th argument, cast as an VString.

TimeADT* Vertica::IntermediateAggs::getTimePtr(size_t idx)

inline Get a pointer to a TIME value from the intermediate results set.

Parameters

• idx: The column number in the intermediate results set to retrieve.

Returns A pointer to the retrieved value cast as a TIME.

Referenced by getTimeRef().

TimeADT& Vertica::IntermediateAggs::getTimeRef(size_t idx)

inline Get a reference to a TIME value from the intermediate results set.

Parameters

• idx: The column number to retrieve from the intermediate results set.

Returns a reference to the idx'th argument, cast as a TIME.

Timestamp* Vertica::IntermediateAggs::getTimestampPtr(size_t idx)

inline Get a pointer to a TIMESTAMP value from the intermediate results set.

Parameters

• idx: The column number in the intermediate results set to retrieve.

Returns A pointer to the retrieved value cast as a TIMESTAMP.

Referenced by getTimestampRef().

Timestamp& Vertica::IntermediateAggs::getTimestampRef(size_t idx)

inline Get a reference to a TIMESTAMP value from the intermediate results set.

Parameters

• idx: The column number to retrieve from the intermediate results set.

Returns a reference to the idx'th argument, cast as a TIMESTAMP.

TimestampTz* Vertica::IntermediateAggs::getTimestampTzPtr(size_t idx)

inline Get a pointer to a TIMESTAMP WITH TIMEZONE value from the intermediate results set.

Parameters

• idx: The column number in the intermediate results set to retrieve.

Returns A pointer to the retrieved value cast as a TIMESTAMP WITH TIMEZONE .

Referenced by getTimestampTzRef().

TimestampTz& Vertica::IntermediateAggs::getTimestampTzRef(size_t idx)

inline Get a reference to a TIMESTAMP WITH TIMEZONE value from the intermediate results set.

Parameters

• idx: The column number to retrieve from the intermediate results set.

Returns a reference to the idx'th argument, cast as a TIMESTAMP WITH TIMEZONE.

TimeTzADT* Vertica::IntermediateAggs::getTimeTzPtr(size_t idx)

inline Get a pointer to a TIME WITH TIMEZONE value from the intermediate results set.

Parameters

• idx: The column number in the intermediate results set to retrieve.

Returns A pointer to the retrieved value cast as a TIME WITH TIMEZONE.

Referenced by getTimeTzRef().

TimeTzADT& Vertica::IntermediateAggs::getTimeTzRef(size_t idx)

inline Get a reference to a TIME WITH TIMEZONE value from the intermediate results set.

Parameters

• idx: The column number to retrieve from the intermediate results set.

Returns a reference to the idx'th argument, cast as a TIME WITH TIMEZONE.

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

inline inherited Returns information about the types and numbers of arguments

Referenced by

• Vertica::ParamReader::getType()
• Vertica::BlockReader::isNull()
• Vertica::BlockWriter::setNull()

SizedColumnTypes& Vertica::VerticaBlock::getTypeMetaData()

inline inherited Returns information about the types and numbers of arguments

VUuid* Vertica::IntermediateAggs::getUuidPtr(size_t idx)

inline Get a pointer to a VUuid value from the intermediate results set.

Parameters

• idx: The column number to retrieve from the intermediate results set.

Returns A pointer to the retrieved value cast as a VUuid.

Referenced by getUuidRef().

VUuid& Vertica::IntermediateAggs::getUuidRef(size_t idx)

inline Get a reference to a VUuid value from the intermediate results set.

Parameters

• idx: The column number to retrieve from the intermediate results set.

Returns a reference to the idx'th argument, cast as an VUuid.

bool Vertica::VerticaBlock::remaining() const

inline inherited Returns the number of entries remaining in the block