app.myoss.cloud.mybatis.mapper.template.delete.impl

Class DeleteMapperTemplate

java.lang.Object

app.myoss.cloud.mybatis.mapper.template.AbstractMapperTemplate

app.myoss.cloud.mybatis.mapper.template.delete.impl.DeleteMapperTemplate

public class DeleteMapperTemplate
extends AbstractMapperTemplate

生成通用 delete MappedStatement 模版类

Since:

2018年5月1日 下午6:04:12

Author:

Jerry.Chen

Field Summary

Fields inherited from class app.myoss.cloud.mybatis.mapper.template.AbstractMapperTemplate

xmlLanguageDriver

Constructor Summary

Constructors

Constructor and Description
DeleteMapperTemplate()

Method Summary

Modifier and Type	Method and Description
String	deleteByCondition(TableInfo tableInfo, org.apache.ibatis.mapping.MappedStatement ms) 删除记录，生成 delete 语句。
String	deleteByConditionAndUpdate(TableInfo tableInfo, org.apache.ibatis.mapping.MappedStatement ms) 删除记录，生成 delete 语句。
String	deleteByPrimaryKey(TableInfo tableInfo, org.apache.ibatis.mapping.MappedStatement ms) 删除记录，生成 delete 语句。
String	deleteWithPrimaryKey(TableInfo tableInfo, org.apache.ibatis.mapping.MappedStatement ms) 删除记录，生成 delete 语句；如果数据库表支持"逻辑删除"，则会生成 update 语句。

Methods inherited from class app.myoss.cloud.mybatis.mapper.template.AbstractMapperTemplate

dynamicSql, getNodeContent, getWhereExtraCondition

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DeleteMapperTemplate

public DeleteMapperTemplate()

Method Detail

deleteByPrimaryKey

public String deleteByPrimaryKey(TableInfo tableInfo,
                                 org.apache.ibatis.mapping.MappedStatement ms)

删除记录，生成 delete 语句。

delete 语句示例如下：

 DELETE FROM table_name
 <where>
  AND id = #{id}
  AND is_deleted = 'N'
 </where>
 

update 语句示例如下：

 UPDATE table_name
 <set>
   is_deleted = 'Y',
 </set>
 <where>
   AND id = #{id}
   AND is_deleted = 'N'
 </where>
 

Parameters:

tableInfo - 数据库表结构信息

ms - sql语句节点信息，会将生成的sql语句替换掉原有的 MappedStatement.sqlSource

Returns:

生成的sql语句

See Also:

DeleteByPrimaryKeyMapper.deleteByPrimaryKey(Serializable)

deleteWithPrimaryKey

public String deleteWithPrimaryKey(TableInfo tableInfo,
                                   org.apache.ibatis.mapping.MappedStatement ms)

删除记录，生成 delete 语句；如果数据库表支持"逻辑删除"，则会生成 update 语句。

delete 语句示例如下：

 DELETE FROM table_name
 <where>
  AND id = #{id}
  AND is_deleted = 'N'
 </where>
 

update 语句示例如下：

 UPDATE table_name
 <set>
   is_deleted = 'Y',
   modifier = #{modifier},
   gmt_modified = #{gmtModified},
 </set>
 <where>
   AND id = #{id}
   AND is_deleted = 'N'
 </where>
 

Parameters:

tableInfo - 数据库表结构信息

ms - sql语句节点信息，会将生成的sql语句替换掉原有的 MappedStatement.sqlSource

Returns:

生成的sql语句

See Also:

DeleteByPrimaryKeyMapper.deleteWithPrimaryKey(Object)

deleteByCondition

public String deleteByCondition(TableInfo tableInfo,
                                org.apache.ibatis.mapping.MappedStatement ms)

删除记录，生成 delete 语句。

delete 语句示例如下：

 DELETE FROM table_name
 <where>
    <if test="id != null">
      and id = #{id}
    </if>
 </where>
 

update 语句示例如下：

 UPDATE table_name
 <set>
   is_deleted = 'Y',
   modifier = #{modifier},
   gmt_modified = #{gmtModified},
 </set>
 <where>
    <if test="id != null">
      and id = #{id}
    </if>
    AND is_deleted = 'N'
 </where>
 

Parameters:

tableInfo - 数据库表结构信息

ms - sql语句节点信息，会将生成的sql语句替换掉原有的 MappedStatement.sqlSource

Returns:

生成的sql语句

See Also:

DeleteByConditionMapper.deleteByCondition(Object)

deleteByConditionAndUpdate

public String deleteByConditionAndUpdate(TableInfo tableInfo,
                                         org.apache.ibatis.mapping.MappedStatement ms)

删除记录，生成 delete 语句。

delete 语句示例如下：

 DELETE FROM table_name
 <where>
    <if test="id != null">
      and id = #{id}
    </if>
 </where>
 

update 语句示例如下：

 UPDATE table_name
 <set>
   is_deleted = 'Y',
   <if test="record.creator != null">
     creator = #{record.creator},
   </if>
   modifier = #{record.modifier},
 </set>
 <where>
   <if test="condition != null">
     <if test="condition.creator != null">
       and creator = #{condition.creator}
     </if>
     <if test="condition.modifier != null">
       and modifier = #{condition.modifier}
     </if>
     <if test="condition.id != null">
       and id = #{condition.id}
     </if>
   </if>
   and is_deleted = 'N'
 </where>
 

Parameters:

tableInfo - 数据库表结构信息

ms - sql语句节点信息，会将生成的sql语句替换掉原有的 MappedStatement.sqlSource

Returns:

生成的sql语句

See Also:

DeleteByConditionMapper.deleteByConditionAndUpdate(Object, Object)