#include <tsqlormapper.h>

Inheritance diagram for TSqlORMapper< T >:

Collaboration diagram for TSqlORMapper< T >:

Classes
class	ConstIterator

Public Member Functions
	TSqlORMapper ()

virtual	~TSqlORMapper ()

TSqlORMapper< T > &	limit (int limit)

TSqlORMapper< T > &	offset (int offset)

TSqlORMapper< T > &	orderBy (int column, Tf::SortOrder order=Tf::AscendingOrder)

TSqlORMapper< T > &	orderBy (const QString &column, Tf::SortOrder order=Tf::AscendingOrder)

template<class C >
TSqlORMapper< T > &	join (int column, const TSqlJoin< C > &join)

void	setLimit (int limit)

void	setOffset (int offset)

void	setSortOrder (int column, Tf::SortOrder order=Tf::AscendingOrder)

void	setSortOrder (const QString &column, Tf::SortOrder order=Tf::AscendingOrder)

template<class C >
void	setJoin (int column, const TSqlJoin< C > &join)

void	reset ()

T	findFirst (const TCriteria &cri=TCriteria())

T	findFirstBy (int column, const QVariant &value)

T	findByPrimaryKey (const QVariant &pk)

int	find (const TCriteria &cri=TCriteria())

int	findBy (int column, const QVariant &value)

int	findIn (int column, const QVariantList &values)

int	rowCount () const

T	first () const

T	last () const

T	value (int i) const

int	findCount (const TCriteria &cri=TCriteria())

int	findCountBy (int column, const QVariant &value)

int	updateAll (const TCriteria &cri, int column, const QVariant &value)

int	updateAll (const TCriteria &cri, const QMap< int, QVariant > &values)

int	removeAll (const TCriteria &cri=TCriteria())

ConstIterator	begin () const

ConstIterator	end () const

Public Member Functions inherited from TAbstractSqlORMapper
	TAbstractSqlORMapper (const QSqlDatabase &db)

virtual	~TAbstractSqlORMapper ()

Protected Member Functions
void	setFilter (const QString &filter)

QString	orderBy () const

virtual QString	orderByClause () const

virtual void	clear ()

virtual QString	selectStatement () const

virtual int	rowCount (const QModelIndex &parent) const

Detailed Description

template<class T>
class TSqlORMapper< T >

The TSqlORMapper class is a template class that provides concise functionality to object-relational mapping.

It can be used to retrieve TSqlObject objects with a TCriteria from a table.

See also: TSqlObject, TCriteria

Constructor & Destructor Documentation

◆ TSqlORMapper()

template<class T >

TSqlORMapper< T >::TSqlORMapper

inline

Constructor.

◆ ~TSqlORMapper()

template<class T >

TSqlORMapper< T >::~TSqlORMapper

inlinevirtual

Destructor.

Member Function Documentation

◆ begin()

template<class T >

ConstIterator TSqlORMapper< T >::begin ( ) const

inline

◆ clear()

template<class T >

void TSqlORMapper< T >::clear

inlineprotectedvirtual

Clears and releases any acquired resource.

◆ end()

template<class T >

ConstIterator TSqlORMapper< T >::end ( ) const

inline

◆ find()

template<class T >

int TSqlORMapper< T >::find ( const TCriteria & cri = TCriteria() )

inlinevirtual

Retrieves with the criteria cri from the table and returns the number of the ORM objects.

TSqlORMapperIterator is used to get the retrieved ORM objects.

See also: TSqlORMapperIterator

Implements TAbstractSqlORMapper.

◆ findBy()

template<class T >

int TSqlORMapper< T >::findBy	(	int	column,
		const QVariant &	value
	)

inlinevirtual

Retrieves with the criteria for the column as the value in the table and returns the number of the ORM objects.

TSqlORMapperIterator is used to get the retrieved ORM objects.

See also: TSqlORMapperIterator

Implements TAbstractSqlORMapper.

◆ findByPrimaryKey()

template<class T >

T TSqlORMapper< T >::findByPrimaryKey ( const QVariant & pk )

inline

Returns the ORM object retrieved with the primary key pk from the table.

◆ findCount()

template<class T >

int TSqlORMapper< T >::findCount ( const TCriteria & cri = TCriteria() )

inlinevirtual

Returns the number of records retrieved with the criteria cri from the table.

Implements TAbstractSqlORMapper.

◆ findCountBy()

template<class T >

int TSqlORMapper< T >::findCountBy	(	int	column,
		const QVariant &	value
	)

inlinevirtual

Returns the number of records retrieved with the criteria for the column as the value from the table.

Implements TAbstractSqlORMapper.

◆ findFirst()

template<class T >

T TSqlORMapper< T >::findFirst ( const TCriteria & cri = TCriteria() )

inline

Returns the first ORM object retrieved with the criteria cri from the table.

◆ findFirstBy()

template<class T >

T TSqlORMapper< T >::findFirstBy	(	int	column,
		const QVariant &	value
	)

inline

Returns the first ORM object retrieved with the criteria for the column as the value in the table.

◆ findIn()

template<class T >

int TSqlORMapper< T >::findIn	(	int	column,
		const QVariantList &	values
	)

inlinevirtual

Retrieves with the criteria that the column is within the list of values values returns the number of the ORM objects.

TSqlORMapperIterator is used to get the retrieved ORM objects.

See also: TSqlORMapperIterator

Implements TAbstractSqlORMapper.

◆ first()

template<class T >

T TSqlORMapper< T >::first

inline

Returns the first ORM object in the results retrieved by find() function.

See also: find(const TCriteria &)

◆ join()

template<class T >

template<class C >

TSqlORMapper< T > & TSqlORMapper< T >::join	(	int	column,
		const TSqlJoin< C > &	join
	)

inline

◆ last()

template<class T >

T TSqlORMapper< T >::last

inline

Returns the last ORM object in the results retrieved by find() function.

See also: find(const TCriteria &)

◆ limit()

template<class T >

TSqlORMapper< T > & TSqlORMapper< T >::limit ( int limit )

inline

Sets the limit to limit, which is the limited number of rows for execution of SELECT statement.

◆ offset()

template<class T >

TSqlORMapper< T > & TSqlORMapper< T >::offset ( int offset )

inline

Sets the offset to offset, which is the number of rows to skip for execution of SELECT statement.

◆ orderBy() [1/3]

template<class T >

QString TSqlORMapper< T >::orderBy

inlineprotected

Returns a SQL WHERE clause generated from a criteria.

◆ orderBy() [2/3]

template<class T >

TSqlORMapper< T > & TSqlORMapper< T >::orderBy	(	const QString &	column,
		Tf::SortOrder	order = `Tf::AscendingOrder`
	)

inline

Sets the sort order for column to order.

◆ orderBy() [3/3]

template<class T >

TSqlORMapper< T > & TSqlORMapper< T >::orderBy	(	int	column,
		Tf::SortOrder	order = `Tf::AscendingOrder`
	)

inline

Sets the sort order for column to order.

◆ orderByClause()

template<class T >

virtual QString TSqlORMapper< T >::orderByClause ( ) const

inlineprotectedvirtual

◆ removeAll()

template<class T >

int TSqlORMapper< T >::removeAll ( const TCriteria & cri = TCriteria() )

inlinevirtual

Removes all rows based on the criteria cri from the table and returns the number of the rows affected by the query executed.

Implements TAbstractSqlORMapper.

◆ reset()

template<class T >

void TSqlORMapper< T >::reset

inlinevirtual

Reset the internal state of the mapper object.

Implements TAbstractSqlORMapper.

◆ rowCount() [1/2]

template<class T >

int TSqlORMapper< T >::rowCount

inline

Returns the number of rows of the current query.

◆ rowCount() [2/2]

template<class T >

int TSqlORMapper< T >::rowCount ( const QModelIndex & parent ) const

inlineprotectedvirtual

Returns the number of rows of the current query.

◆ selectStatement()

template<class T >

QString TSqlORMapper< T >::selectStatement

inlineprotectedvirtual

Returns a SELECT statement generated from the specified parameters.

This function is for internal use only.

◆ setFilter()

template<class T >

void TSqlORMapper< T >::setFilter ( const QString & filter )

inlineprotected

Sets the current filter to filter.

The filter is a SQL WHERE clause without the keyword WHERE (for example, name='Hanako'). The filter will be applied the next time a query is executed.

◆ setJoin()

template<class T >

template<class C >

void TSqlORMapper< T >::setJoin	(	int	column,
		const TSqlJoin< C > &	join
	)

inline

Sets a JOIN clause for column to join.

◆ setLimit()

template<class T >

void TSqlORMapper< T >::setLimit ( int limit )

inlinevirtual

Sets the limit to limit, which is the limited number of rows for execution of SELECT statement.

Implements TAbstractSqlORMapper.

◆ setOffset()

template<class T >

void TSqlORMapper< T >::setOffset ( int offset )

inlinevirtual

Sets the offset to offset, which is the number of rows to skip for execution of SELECT statement.

Implements TAbstractSqlORMapper.

◆ setSortOrder() [1/2]

template<class T >

void TSqlORMapper< T >::setSortOrder	(	const QString &	column,
		Tf::SortOrder	order = `Tf::AscendingOrder`
	)

inlinevirtual

Sets the sort order for column to order.

Implements TAbstractSqlORMapper.

◆ setSortOrder() [2/2]

template<class T >

void TSqlORMapper< T >::setSortOrder	(	int	column,
		Tf::SortOrder	order = `Tf::AscendingOrder`
	)

inlinevirtual

Sets the sort order for column to order.

Implements TAbstractSqlORMapper.

◆ updateAll() [1/2]

template<class T >

int TSqlORMapper< T >::updateAll	(	const TCriteria &	cri,
		const QMap< int, QVariant > &	values
	)

virtual

Updates the values of the columns specified in the first elements in the each pairs of values in all rows that satisfy the criteria cri and returns the number of the rows affected by the query executed.

Implements TAbstractSqlORMapper.

◆ updateAll() [2/2]

template<class T >

int TSqlORMapper< T >::updateAll	(	const TCriteria &	cri,
		int	column,
		const QVariant &	value
	)

inlinevirtual

Updates the value of the specified column in all rows that satisfy the criteria cri and returns the number of the rows affected by the query executed.

Implements TAbstractSqlORMapper.

◆ value()

template<class T >

T TSqlORMapper< T >::value ( int i ) const

inline

Returns the ORM object in the results retrieved by find() function.

If i is the index of a valid row on the results, the ORM object will be populated with values from that row.

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

src/tsqlormapper.h

Classes

Public Member Functions

Protected Member Functions

Detailed Description

template<class T> class TSqlORMapper< T >

Constructor & Destructor Documentation

◆ TSqlORMapper()

◆ ~TSqlORMapper()

Member Function Documentation

◆ begin()

◆ clear()

◆ end()

◆ find()

◆ findBy()

◆ findByPrimaryKey()

◆ findCount()

◆ findCountBy()

◆ findFirst()

◆ findFirstBy()

◆ findIn()

◆ first()

◆ join()

◆ last()

◆ limit()

◆ offset()

◆ orderBy() [1/3]

◆ orderBy() [2/3]

◆ orderBy() [3/3]

◆ orderByClause()

◆ removeAll()

◆ reset()

◆ rowCount() [1/2]

◆ rowCount() [2/2]

◆ selectStatement()

◆ setFilter()

◆ setJoin()

◆ setLimit()

◆ setOffset()

◆ setSortOrder() [1/2]

◆ setSortOrder() [2/2]

◆ updateAll() [1/2]

◆ updateAll() [2/2]

◆ value()

template<class T>
class TSqlORMapper< T >