com.github.fartherp.framework.database.dao

接口 DaoMapper<T,ID extends Serializable>

所有已知子接口:

ExtendDaoMapper<T,ID>

public interface DaoMapper<T,ID extends Serializable>

insert、delete、update、select method SQL of XML Mapper file Author: CK Date: 2015/6/5.

方法概要

方法

限定符和类型	方法和说明
long	count() do select count(*) mapped id
void	deleteBatch(ID... ids) delete batch
int	deleteByPrimaryKey(ID id) delete action by primary key
int	insert(T record) do insert entity
void	insertBatch(List<T> list) save batch
int	insertSelective(T record) do insert entity ignore null property
List<T>	selectAll() find all records
T	selectByPrimaryKey(ID id) find entity by primary key
int	updateByPrimaryKey(T record) update entity by primary key
int	updateByPrimaryKeySelective(T record) update entity by primary key ignore null property

方法详细资料

deleteByPrimaryKey

int deleteByPrimaryKey(ID id)

delete action by primary key

参数:

id - primary key

返回:

delete result. 1 means success

insert

int insert(T record)

do insert entity

参数:

record - entity bean to insert

返回:

insert result 1 means success

insertSelective

int insertSelective(T record)

do insert entity ignore null property

参数:

record - entity bean to insert

返回:

insert result 1 means success

selectByPrimaryKey

T selectByPrimaryKey(ID id)

find entity by primary key

参数:

id - primary key

返回:

entity bean

updateByPrimaryKeySelective

int updateByPrimaryKeySelective(T record)

update entity by primary key ignore null property

参数:

record - entity bean

返回:

effective count

updateByPrimaryKey

int updateByPrimaryKey(T record)

update entity by primary key

参数:

record - entity bean

返回:

effective count

count

long count()

do select count(*) mapped id

返回:

record count

selectAll

List<T> selectAll()

find all records

返回:

all records

insertBatch

void insertBatch(List<T> list)

save batch

deleteBatch

void deleteBatch(ID... ids)

delete batch

参数:

ids - ids