Vertica::IntermediateAggs Class Reference

A wrapper around a single intermediate aggregate value. More...

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. More...
vbool &	getBoolRef (size_t idx)
	Get a reference to a BOOLEAN value from the intermediate results set. More...
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
DateADT *	getDatePtr (size_t idx)
	Get a pointer to a DATE value from the intermediate results set. More...
DateADT &	getDateRef (size_t idx)
	Get a reference to a DATE value from the intermediate results set. More...
vfloat *	getFloatPtr (size_t idx)
	Get a pointer to a FLOAT value from the intermediate results set. More...
vfloat &	getFloatRef (size_t idx)
	Get a reference to a FLOAT value from the intermediate results set. More...
Interval *	getIntervalPtr (size_t idx)
	Get a pointer to an INTERVAL value from the intermediate results set. More...
Interval &	getIntervalRef (size_t idx)
	Get a reference to an INTERVAL value from the intermediate results set. More...
IntervalYM *	getIntervalYMPtr (size_t idx)
	Get a pointer to a INTERVAL YEAR TO MONTH value from the intermediate results set. More...
IntervalYM &	getIntervalYMRef (size_t idx)
	Get a reference to an INTERVAL YEAR TO MONTH value from the intermediate results set. More...
vint *	getIntPtr (size_t idx)
	Get a pointer to an INTEGER value from the intermediate results set. More...
vint &	getIntRef (size_t idx)
	Get a reference to an INTEGER value from the intermediate results set. More...
size_t	getNumCols () const
VNumeric *	getNumericPtr (size_t idx)
	Get a pointer to a VNumeric value from the intermediate results set. More...
VNumeric &	getNumericRef (size_t idx)
	Get a reference to a VNumeric value from the intermediate results set. More...
int	getNumRows () const
VString *	getStringPtr (size_t idx)
	Get a pointer to a VString value from the intermediate results set. More...
VString &	getStringRef (size_t idx)
	Get a reference to an VString value from the intermediate results set. More...
TimeADT *	getTimePtr (size_t idx)
	Get a pointer to a TIME value from the intermediate results set. More...
TimeADT &	getTimeRef (size_t idx)
	Get a reference to a TIME value from the intermediate results set. More...
Timestamp *	getTimestampPtr (size_t idx)
	Get a pointer to a TIMESTAMP value from the intermediate results set. More...
Timestamp &	getTimestampRef (size_t idx)
	Get a reference to a TIMESTAMP value from the intermediate results set. More...
TimestampTz *	getTimestampTzPtr (size_t idx)
	Get a pointer to a TIMESTAMP WITH TIMEZONE value from the intermediate results set. More...
TimestampTz &	getTimestampTzRef (size_t idx)
	Get a reference to a TIMESTAMP WITH TIMEZONE value from the intermediate results set. More...
TimeTzADT *	getTimeTzPtr (size_t idx)
	Get a pointer to a TIME WITH TIMEZONE value from the intermediate results set. More...
TimeTzADT &	getTimeTzRef (size_t idx)
	Get a reference to a TIME WITH TIMEZONE value from the intermediate results set. More...
const SizedColumnTypes &	getTypeMetaData () const
SizedColumnTypes &	getTypeMetaData ()
VUuid *	getUuidPtr (size_t idx)
	Get a pointer to a VUuid value from the intermediate results set. More...
VUuid &	getUuidRef (size_t idx)
	Get a reference to a VUuid value from the intermediate results set. More...
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

Detailed Description

A wrapper around a single intermediate aggregate value.

Member Function Documentation

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

protectedinherited

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

inlineinherited

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

inlineinherited

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

inlineinherited

Returns

the number of columns held by this block.

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

inlineinherited

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

inlineinherited

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 ( )

inlineinherited

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

inlineinherited

Returns

the number of entries remaining in the block