Vertica::MultipleIntermediateAggs Class Reference

A wrapper around multiple intermediate aggregates.

Inheritance diagram for Vertica::MultipleIntermediateAggs:

Collaboration diagram for Vertica::MultipleIntermediateAggs:

Public Member Functions
	MultipleIntermediateAggs (size_t narg)
void	copy (const VerticaBlock &other)
Array::ArrayReader	getArrayRef (size_t idx) const
	Get a reference to an Array value from the input row.
const vbool *	getBoolPtr (size_t idx) const
	Get a pointer to a BOOLEAN value from the input row.
const vbool &	getBoolRef (size_t idx) const
	Get a reference to a BOOLEAN value from the input row.
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
const DateADT *	getDatePtr (size_t idx) const
	Get a pointer to a DATE value from the input row.
const DateADT &	getDateRef (size_t idx) const
	Get a reference to a DATE value from the input row.
const vfloat *	getFloatPtr (size_t idx) const
	Get a pointer to a FLOAT value from the input row.
const vfloat &	getFloatRef (size_t idx) const
	Get a reference to a FLOAT value from the input row.
const Interval *	getIntervalPtr (size_t idx) const
	Get a pointer to an INTERVAL value from the input row.
const Interval &	getIntervalRef (size_t idx) const
	Get a reference to an INTERVAL value from the input row.
const IntervalYM *	getIntervalYMPtr (size_t idx) const
	Get a pointer to a INTERVAL YEAR TO MONTH value from the input row.
const IntervalYM &	getIntervalYMRef (size_t idx) const
	Get a reference to an INTERVAL YEAR TO MONTH value from the input row.
const vint *	getIntPtr (size_t idx) const
	Get a pointer to an INTEGER value from the input row.
const vint &	getIntRef (size_t idx) const
	Get a reference to an INTEGER value from the input row.
size_t	getNumCols () const
const VNumeric *	getNumericPtr (size_t idx) const
	Get a pointer to a VNumeric value from the input row.
const VNumeric &	getNumericRef (size_t idx) const
	Get a reference to a VNumeric value from the input row.
int	getNumRows () const
int	getPosition () const
const BlockReader *	getRowPtr (size_t idx) const
	Get a reference to a Row value from the input row.
const BlockReader &	getRowRef (size_t idx) const
	Get a reference to a Row value from the input row.
const VString *	getStringPtr (size_t idx) const
	Get a pointer to a VString value from the input row.
const VString &	getStringRef (size_t idx) const
	Get a reference to an VString value from the input row.
const TimeADT *	getTimePtr (size_t idx) const
	Get a pointer to a TIME value from the input row.
const TimeADT &	getTimeRef (size_t idx) const
	Get a reference to a TIME value from the input row.
const Timestamp *	getTimestampPtr (size_t idx) const
	Get a pointer to a TIMESTAMP value from the input row.
const Timestamp &	getTimestampRef (size_t idx) const
	Get a reference to a TIMESTAMP value from the input row.
const TimestampTz *	getTimestampTzPtr (size_t idx) const
	Get a pointer to a TIMESTAMP WITH TIMEZONE value from the input row.
const TimestampTz &	getTimestampTzRef (size_t idx) const
	Get a reference to a TIMESTAMP WITH TIMEZONE value from the input row.
const TimeTzADT *	getTimeTzPtr (size_t idx) const
	Get a pointer to a TIME WITH TIMEZONE value from the input row.
const TimeTzADT &	getTimeTzRef (size_t idx) const
	Get a reference to a TIME WITH TIMEZONE value from the input row.
const SizedColumnTypes &	getTypeMetaData () const
SizedColumnTypes &	getTypeMetaData ()
const VUuid *	getUuidPtr (size_t idx) const
	Get a pointer to a VUuid value from the input row.
const VUuid &	getUuidRef (size_t idx) const
	Get a reference to a VUuid value from the input row.
void *	getVoidPtr (size_t idx=0)
const void *	getVoidPtr (size_t idx=0) const
bool	hasData () const
bool	isNull (int col) const
	Check if the idx'th argument is null.
bool	next ()
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	advanceToNextRow (bool recurIntoArrays)
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 multiple intermediate aggregates.

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

Array::ArrayReader Vertica::BlockReader::getArrayRef(size_t idx) const

inherited Get a reference to an Array value from the input row.

Parameters

• idx: The column number to retrieve from the input row.

Returns a reference to the idx'th argument: another BlockReader which reads elements of the array.

const vbool* Vertica::BlockReader::getBoolPtr(size_t idx) const

inline inherited Get a pointer to a BOOLEAN value from the input row.

Parameters

• idx: The column number in the input row to retrieve.

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

Referenced by Vertica::BlockReader::getBoolRef().

const vbool& Vertica::BlockReader::getBoolRef(size_t idx) const

inline inherited Get a reference to a BOOLEAN value from the input row.

Parameters

• idx: The column number to retrieve from the input row.

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

Referenced by Vertica::BlockReader::isNull().

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);

const DateADT* Vertica::BlockReader::getDatePtr(size_t idx) const

inline inherited Get a pointer to a DATE value from the input row.

Parameters

• idx: The column number in the input row to retrieve.

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

Referenced by Vertica::BlockReader::getDateRef().

const DateADT& Vertica::BlockReader::getDateRef(size_t idx) const

inline inherited Get a reference to a DATE value from the input row.

Parameters

• idx: The column number to retrieve from the input row.

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

Referenced by Vertica::BlockReader::isNull().

const vfloat* Vertica::BlockReader::getFloatPtr(size_t idx) const

inline inherited Get a pointer to a FLOAT value from the input row.

Parameters

• idx: The column number in the input row to retrieve.

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

Referenced by Vertica::BlockReader::getFloatRef().

const vfloat& Vertica::BlockReader::getFloatRef(size_t idx) const

inline inherited Get a reference to a FLOAT value from the input row.

Parameters

• idx: The column number to retrieve from the input row.

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

Referenced by Vertica::BlockReader::isNull().

const Interval* Vertica::BlockReader::getIntervalPtr(size_t idx) const

inline inherited Get a pointer to an INTERVAL value from the input row.

Parameters

• idx: The column number in the input row to retrieve.

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

Referenced by Vertica::BlockReader::getIntervalRef().

const Interval& Vertica::BlockReader::getIntervalRef(size_t idx) const

inline inherited Get a reference to an INTERVAL value from the input row.

Parameters

• idx: The column number to retrieve from the input row.

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

Referenced by Vertica::BlockReader::isNull().

const IntervalYM* Vertica::BlockReader::getIntervalYMPtr(size_t idx) const

inline inherited Get a pointer to a INTERVAL YEAR TO MONTH value from the input row.

Parameters

• idx: The column number in the input row to retrieve.

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

Referenced by Vertica::BlockReader::getIntervalYMRef().

const IntervalYM& Vertica::BlockReader::getIntervalYMRef(size_t idx) const

inline inherited Get a reference to an INTERVAL YEAR TO MONTH value from the input row.

Parameters

• idx: The column number to retrieve from the input row.

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

Referenced by Vertica::BlockReader::isNull().

const vint* Vertica::BlockReader::getIntPtr(size_t idx) const

inline inherited Get a pointer to an INTEGER value from the input row.

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

Parameters

• idx: The column number to retrieve from the input row.

Example:

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

Referenced by Vertica::BlockReader::getIntRef().

const vint& Vertica::BlockReader::getIntRef(size_t idx) const

inline inherited Get a reference to an INTEGER value from the input row.

Parameters

• idx: The column number to retrieve from the input row.

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

Example:

const vint a = arg_reader->getIntRef(0);

Referenced by Vertica::BlockReader::isNull().

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()

const VNumeric* Vertica::BlockReader::getNumericPtr(size_t idx) const

inline inherited Get a pointer to a VNumeric value from the input row.

Parameters

• idx: The column number to retrieve from the input row.

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

Referenced by Vertica::BlockReader::getNumericRef().

const VNumeric& Vertica::BlockReader::getNumericRef(size_t idx) const

inline inherited Get a reference to a VNumeric value from the input row.

Parameters

• idx: The column number to retrieve from the input row.

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

Referenced by Vertica::BlockReader::isNull().

int Vertica::VerticaBlock::getNumRows() const

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

int Vertica::BlockReader::getPosition() const

inline inherited Returns the current row position or array index

const BlockReader* Vertica::BlockReader::getRowPtr(size_t idx) const

inline inherited Get a reference to a Row value from the input row.

Parameters

• idx: The column number to retrieve from the input row.

Returns a pointer to a reader for the Row fields

Referenced by Vertica::BlockReader::getRowRef().

const BlockReader& Vertica::BlockReader::getRowRef(size_t idx) const

inline inherited Get a reference to a Row value from the input row.

Parameters

• idx: The column number to retrieve from the input row.

Returns a reference to the idx'th argument, as a Row value.

const VString* Vertica::BlockReader::getStringPtr(size_t idx) const

inline inherited Get a pointer to a VString value from the input row.

Parameters

• idx: The column number to retrieve from the input row.

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

Referenced by Vertica::BlockReader::getStringRef().

const VString& Vertica::BlockReader::getStringRef(size_t idx) const

inline inherited Get a reference to an VString value from the input row.

Parameters

• idx: The column number to retrieve from the input row.

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

Referenced by Vertica::BlockReader::isNull().

const TimeADT* Vertica::BlockReader::getTimePtr(size_t idx) const

inline inherited Get a pointer to a TIME value from the input row.

Parameters

• idx: The column number in the input row to retrieve.

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

Referenced by Vertica::BlockReader::getTimeRef().

const TimeADT& Vertica::BlockReader::getTimeRef(size_t idx) const

inline inherited Get a reference to a TIME value from the input row.

Parameters

• idx: The column number to retrieve from the input row.

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

Referenced by Vertica::BlockReader::isNull().

const Timestamp* Vertica::BlockReader::getTimestampPtr(size_t idx) const

inline inherited Get a pointer to a TIMESTAMP value from the input row.

Parameters

• idx: The column number in the input row to retrieve.

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

Referenced by Vertica::BlockReader::getTimestampRef().

const Timestamp& Vertica::BlockReader::getTimestampRef(size_t idx) const

inline inherited Get a reference to a TIMESTAMP value from the input row.

Parameters

• idx: The column number to retrieve from the input row.

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

Referenced by Vertica::BlockReader::isNull().

const TimestampTz* Vertica::BlockReader::getTimestampTzPtr(size_t idx) const

inline inherited Get a pointer to a TIMESTAMP WITH TIMEZONE value from the input row.

Parameters

• idx: The column number in the input row to retrieve.

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

Referenced by Vertica::BlockReader::getTimestampTzRef().

const TimestampTz& Vertica::BlockReader::getTimestampTzRef(size_t idx) const

inline inherited Get a reference to a TIMESTAMP WITH TIMEZONE value from the input row.

Parameters

• idx: The column number to retrieve from the input row.

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

Referenced by Vertica::BlockReader::isNull().

const TimeTzADT* Vertica::BlockReader::getTimeTzPtr(size_t idx) const

inline inherited Get a pointer to a TIME WITH TIMEZONE value from the input row.

Parameters

• idx: The column number in the input row to retrieve.

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

Referenced by Vertica::BlockReader::getTimeTzRef().

const TimeTzADT& Vertica::BlockReader::getTimeTzRef(size_t idx) const

inline inherited Get a reference to a TIME WITH TIMEZONE value from the input row.

Parameters

• idx: The column number to retrieve from the input row.

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

Referenced by Vertica::BlockReader::isNull().

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

const VUuid* Vertica::BlockReader::getUuidPtr(size_t idx) const

inline inherited Get a pointer to a VUuid value from the input row.

Parameters

• idx: The column number to retrieve from the input row.

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

Referenced by Vertica::BlockReader::getUuidRef().

const VUuid& Vertica::BlockReader::getUuidRef(size_t idx) const

inline inherited Get a reference to a VUuid value from the input row.

Parameters

• idx: The column number to retrieve from the input row.

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

Referenced by Vertica::BlockReader::isNull().

bool Vertica::BlockReader::hasData() const

inline inherited Returns true if there is data available

Referenced by Vertica::copyBlockColumn().

bool Vertica::BlockReader::isNull(int col) const

inline inherited Check if the idx'th argument is null.

Parameters

• col: The column number in the row to check for null

Returns true is the col value is null false otherwise

bool Vertica::BlockReader::next()

inline inherited Advance to the next record.

Returns true if there are more rows to read, false otherwise.

Referenced by Vertica::copyBlockColumn().

bool Vertica::VerticaBlock::remaining() const

inline inherited Returns the number of entries remaining in the block