Comparison of batch merge between Oracle and MySQL

orm Frame adoption mybatis, This blog is about batch merge merge use oracle and mysql To do the difference ,

oracle merge For more details on the merge update function, please refer to my previous blog

Log in and copy

      
      

       
       <!--  Batch update new associated information  oracle-->
       
       
  <insert id="batchSaveTipsRelatedConfig" databaseId="oracle" parameterType="com.extend.tipsConfig.model.TipsRelatedModel">
       
       
    MERGE INTO t_tips_config_related A1 
       
       
    USING(<foreach collection="relatedTipsList" item="itm" separator="union">select #{itm.seq} seq ,
       
       
           #{itm.tipsSeq} tipsSeq , 
       
       
           #{itm.relaSeq} relaSeq,
       
       
           #{itm.tipsContent} tipsContent
       
       
              from dual
       
       
      </foreach>) A2
       
       
    ON(A1.tips_seq = A2.tipsSeq and A1.rela_seq = A2.relaSeq)
       
       
    WHEN MATCHED THEN
       
       
    UPDATE SET
       
       
            A1.tips_content = A2.tipsContent
       
       
    WHEN NOT MATCHED THEN
       
       
    INSERT(seq , tips_seq ,  rela_seq, tips_content)
       
       
    VALUES(A2.seq , A2.tipsSeq ,A2.relaSeq, A2.tipsContent)
       
       
  </insert>
      
      
      
      

       
       
1.
       
       
2.
       
       
3.
       
       
4.
       
       
5.
       
       
6.
       
       
7.
       
       
8.
       
       
9.
       
       
10.
       
       
11.
       
       
12.
       
       
13.
       
       
14.
       
       
15.
       
       
16.
       
       
17.
      
      

mysql Method ：

Log in and copy

      
      

       
       <!--  Batch update new associated information  mysql-->
       
       
  <insert id="batchSaveTipsRelatedConfig" databaseId="mysql" parameterType="com.extend.tipsConfig.model.TipsRelatedModel">
       
       
    REPLACE INTO t_tips_config_related(seq,tips_seq,rela_seq,tips_content)  
       
       
    VALUES<foreach collection="relatedTipsList" item="itm" separator=",">(#{itm.seq},
       
       
           #{itm.tipsSeq}, 
       
       
           #{itm.relaSeq},
       
       
           #{itm.tipsContent})</foreach>
       
       
  </insert>
      
      
      
      

       
       
1.
       
       
2.
       
       
3.
       
       
4.
       
       
5.
       
       
6.
       
       
7.
       
       
8.