#include <GenericGenerator.h>

Inheritance diagram for GenericQuery::GenericGroupByAggregator:

Collaboration diagram for GenericQuery::GenericGroupByAggregator:

Public Member Functions
	GenericGroupByAggregator (GenericQueryBuilder builder)
	Construct a new Generic Data Generator object. More...

bool	hasNext ()
	check if a record is available More...

DataRecord	next ()
	generates a new record More...

Public Member Functions inherited from ColumnStore::DataGeneratorInterface
Metadata	getMetadata () const
	Interface for relational data sources. More...

virtual std::vector< DataRecord >	nextBatch (int batchSize)
	Helper function to return batch of records. More...

void	print (int recordCount=-1)
	Print the data. More...

virtual	~DataGeneratorInterface ()
	Destroy the Data Generator Interface object. More...

Private Attributes
std::queue< ColumnStore::DataRecord >	records

Additional Inherited Members
Protected Attributes inherited from ColumnStore::DataGeneratorInterface
Metadata	metadata
	metadata for processing queries More...

Constructor & Destructor Documentation

◆ GenericGroupByAggregator()

GenericQuery::GenericGroupByAggregator::GenericGroupByAggregator ( GenericQueryBuilder builder )

inline

Construct a new Generic Data Generator object.

The generator processes all column data and maps it to column indices for efficiency. All joined data sources are loaded into memory in the constructor

Parameters

builder object to constuct generator from

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Member Function Documentation

◆ hasNext()

bool GenericQuery::GenericGroupByAggregator::hasNext ( )

inlinevirtual

check if a record is available

Returns: true; false

Implements ColumnStore::DataGeneratorInterface.

◆ next()

DataRecord GenericQuery::GenericGroupByAggregator::next ( )

inlinevirtual

generates a new record

Returns: DataRecord

Implements ColumnStore::DataGeneratorInterface.

Member Data Documentation

◆ records

std::queue<ColumnStore::DataRecord> GenericQuery::GenericGroupByAggregator::records

private

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

src/GenericQuery/GenericGenerator.h

Public Member Functions

Private Attributes