tablecolumnimpl.hpp File Reference

#include "tablecolumn.hpp"

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Classes
class	ValueColumn
	A table column containing only numerical values. More...
class	DateTimeColumn
	A table column containing numerical values formatted as dates and times. More...
class	LogicalColumn
	A table column containing logical values. More...
class	StringColumn
	A table column containing only strings as values. More...
class	CategoricalColumn
	A table column containing categorical values. More...

Functions
void	convert_if_empty (TblColPtr &col, size_t colNo, TableColumn::ColumnType type)
	Tries to convert a column if the column does not contain any data (with the exception of the header). More...
bool	convert_if_needed (TblColPtr &col, size_t colNo, TableColumn::ColumnType type)
	Tries to convert a column into the selected column, if possible. More...
void	convert_for_overwrite (TblColPtr &col, size_t colNo, TableColumn::ColumnType type)
	This function deletes the contents of a column, if necessary, and creates a new column with the correct type. More...

Function Documentation

convert_for_overwrite()

void convert_for_overwrite	(	TblColPtr &	col,
		size_t	colNo,
		TableColumn::ColumnType	type
	)

This function deletes the contents of a column, if necessary, and creates a new column with the correct type.

Parameters

col	TblColPtr&
colNo	size_t
type	TableColumn::ColumnType

Returns

void

Definition at line 2361 of file tablecolumnimpl.cpp.

References convert_if_empty(), TableColumn::getDefaultColumnHead(), TableColumn::TYPE_CATEGORICAL, TableColumn::TYPE_DATETIME, TableColumn::TYPE_LOGICAL, TableColumn::TYPE_STRING, and TableColumn::TYPE_VALUE.

Referenced by MemoryManager::overwriteColumn(), Memory::writeData(), and Memory::writeSingletonData().

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convert_if_empty()

void convert_if_empty	(	TblColPtr &	col,
		size_t	colNo,
		TableColumn::ColumnType	type
	)

Tries to convert a column if the column does not contain any data (with the exception of the header).

Parameters

col	TblColPtr&
colNo	size_t
type	TableColumn::ColumnType

Returns

void

Definition at line 2280 of file tablecolumnimpl.cpp.

References TableColumn::getDefaultColumnHead(), TableColumn::TYPE_CATEGORICAL, TableColumn::TYPE_DATETIME, TableColumn::TYPE_LOGICAL, TableColumn::TYPE_STRING, and TableColumn::TYPE_VALUE.

Referenced by convert_for_overwrite(), convert_if_needed(), NumeRe::Table::setValue(), Memory::writeData(), and Memory::writeDataDirect().

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convert_if_needed()

bool convert_if_needed	(	TblColPtr &	col,
		size_t	colNo,
		TableColumn::ColumnType	type
	)

Tries to convert a column into the selected column, if possible.

Parameters

col	TblColPtr&
colNo	size_t
type	TableColumn::ColumnType

Returns

bool

Definition at line 2325 of file tablecolumnimpl.cpp.

References TableColumn::convert(), convert_if_empty(), TableColumn::TYPE_CATEGORICAL, and TableColumn::TYPE_STRING.

Referenced by NumeRe::Table::setColumnType(), and NumeRe::Table::setValueAsString().

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