FnProvider (mybatis-mapper 2.2.1 API)

java.lang.Object
- io.mybatis.mapper.fn.FnProvider

```
public class FnProvider
extends Object
```
可指定字段的方法

Author:

liuzh

Constructor Summary

Constructors
Constructor Description

FnProvider()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static String`	`selectColumns(org.apache.ibatis.builder.annotation.ProviderContext providerContext)`	根据实体字段条件查询唯一的实体，根据实体字段条件批量查询，查询结果的数量由方法定义
`static String`	`updateByPrimaryKeySelectiveWithForceFields(org.apache.ibatis.builder.annotation.ProviderContext providerContext)`	根据主键更新实体中不为空的字段，强制字段不区分是否null，都更新

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - FnProvider
```
public FnProvider()
```
- Method Detail
  - updateByPrimaryKeySelectiveWithForceFields
```
public static String updateByPrimaryKeySelectiveWithForceFields(org.apache.ibatis.builder.annotation.ProviderContext providerContext)
```
    根据主键更新实体中不为空的字段，强制字段不区分是否null，都更新
    
    Parameters:
    
    providerContext - 上下文
    
    Returns:
    
    cacheKey
  - selectColumns
```
public static String selectColumns(org.apache.ibatis.builder.annotation.ProviderContext providerContext)
```
    根据实体字段条件查询唯一的实体，根据实体字段条件批量查询，查询结果的数量由方法定义
    
    Parameters:
    
    providerContext - 上下文
    
    Returns:
    
    cacheKey