Solution: Mybatis-plus uses selectList to query data as null - Code World

Solution: Mybatis-plus uses selectList to query data as null

Enterprise 2022-07-17 14:16:35 views: null

NoSuchKey

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Origin blog.csdn.net/weixin_45481821/article/details/125836352

Solution: Mybatis-plus uses selectList to query data as null

Mybatis-Plus uses updateById(), update() to update fields to null

MyBatis-Plus uses two fields of the table as query conditions

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Mybatis-Plus query

Mybatis-plus uses this.baseMapper.update and updateById to update the null value and it does not take effect

Execute the query statement in Mybatis, and return the solution that the empty null field is not displayed

Spring Boot uses Mybatis Plus to query single field data and specified field data

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MyBatis-plus framework uses

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The return type of the query using MyBatis is int, but when the query result is NULL, the solution to the exception is reported

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Quick Query NULL data in the table

Mybatis-Plus | Use Mybatis-Plus for paging query

mybatis selectList method implementation principle

Mybatis-Plus updates the field to null

Mybatis-Plus sets field to null

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