SQL批量插入修改

Posted 2021-12-22 panyw

1. 批量插入

insert into table_A  ( ORDER_CODE, PAYMENT_CODE) values
<foreach item="item" index="index" collection="list" separator=",">
(#item.ORDER_CODE,if(#item.PAYMENT_CODE=‘‘,NULL,#item.PAYMENT_CODE))

 

2.批量更新

update table_A set
PDH_CNT=
<foreach collection="list" item="item" index="index" separator=" " open="case EFH_SN" close="end">
when #item.efhSn,jdbcType=VARCHAR then #item.pdhCnt,jdbcType=INTEGER
</foreach>
,DUE_DT=
<foreach collection="list" item="item" index="index" separator=" " open="case EFH_SN" close="end">
when #item.efhSn,jdbcType=VARCHAR then #item.dueDt,jdbcType=TIMESTAMP
</foreach>
where del_flg=0 and EFH_SN in
<foreach collection="list" index="index" item="item" separator="," open="(" close=")">
#item.efhSn,jdbcType=VARCHAR
</foreach>

 

3. table_A 数据导入table_B

INSERT INTO table_B (COMPANY_CODE,ORDER_CODE,PAYMENT_CODE,USER_CODE)

　　 SELECT COMPANY_CODE,ORDER_CODE,PAYMENT_CODE,USER_CODE FROM table_A 

4.清空表table_A 

truncate table table_A