namespace required or not?

[Wei Lin]

In the official guide at mybatis – MyBatis 3 | Getting started, it is stated that

Namespaces were optional in previous versions of MyBatis, which was confusing and unhelpful. Namespaces are now required and have a purpose beyond simply isolating statements with longer, fully-qualified names.

However, in the samples provided at spring-boot-starter/mybatis-config.xml at master · mybatis/spring-boot-starter (github.com), there is no namespace specified.

So is it required or not?

[Jeff Butler]

Yes - required. The namespace is in the mapper files, not the configuration file. For example: https://github.com/mybatis/spring-boot-starter/blob/master/mybatis-spring-boot-samples/mybatis-spring-boot-sample-xml/src/main/resources/sample/mybatis/mapper/HotelMapper.xml

Jeff Butler

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