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优化sql

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This commit is contained in:
Chopper 2022-01-11 15:16:02 +08:00
parent 5f0241768d
commit eec3611218
1 changed files with 3 additions and 2 deletions
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5
framework/src/main/java/cn/lili/modules/member/mapper/FootprintMapper.java
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@ -34,8 +34,9 @@ public interface FootprintMapper extends BaseMapper<FootPrint> {
* *
* @param memberId 会员ID * @param memberId 会员ID
*/ */
@Delete("DELETE FROM li_foot_print WHERE (SELECT COUNT(b.id) FROM ( SELECT * FROM li_foot_print WHERE member_id = #{memberId} ) b) >100 " + @Delete("DELETE FROM li_foot_print l1 WHERE l1.id IN (" +
" AND id =(SELECT a.id FROM ( SELECT * FROM li_foot_print WHERE member_id = #{memberId} ORDER BY create_time ASC LIMIT 1 ) AS a)") "SELECT l2.id FROM (" +
"SELECT l3.id FROM li_foot_print l3 WHERE l3.member_id=${memberId} ORDER BY id DESC LIMIT 100,100) l2)")
void deleteLastFootPrint(String memberId); void deleteLastFootPrint(String memberId);
} }