Leo-zd commented on issue #33481:
URL:
https://github.com/apache/shardingsphere/issues/33481#issuecomment-2449296403
I modified it to the following format, which solves the problem, but is
there any other way to solve it
```
<select id="queryPage"
resultType="com.telecom.im.entity.view.MessageRecordViewEntity">
SELECT
msg_id,
id,
username,
avatar,
content,
timestamp,
msg_to,
to_user_name,
type,
group_id,
is_read,
req_state,
system_id,
stars,
tag
FROM (
SELECT
`a`.`id` AS `msg_id`,
`a`.`msg_from` AS `id`,
`b`.`username` AS `username`,
`b`.`avatar` AS `avatar`,
`a`.`content` AS `content`,
`a`.`create_time` AS `timestamp`,
`a`.`msg_to` AS `msg_to`,
`c`.`username` AS `to_user_name`,
`a`.`msg_type` AS `type`,
`a`.`group_id` AS `group_id`,
`a`.`is_read` AS `is_read`,
`a`.`req_state` AS `req_state`,
`a`.`system_id` AS `system_id`,
`a`.`stars` AS `stars`,
`a`.`tag` AS `tag`
FROM
`im_user_message` `a`
LEFT JOIN `im_user_account` `b` ON `a`.`msg_from` = `b`.`id`
LEFT JOIN `im_user_account` `c` ON `a`.`msg_to` = `c`.`id`
) t1
<if test="ew != null">
${ew.customSqlSegment}
</if>
</select>
```
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