java 如何使用 Play Framework 显示 SQL？
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How do I show SQL with Play Framework?
提问by mranders
I have a Play app that uses a database, and for debugging purposes I want to show the SQL that JPA uses. How can I do this?
我有一个使用数据库的 Play 应用程序，出于调试目的，我想显示 JPA 使用的 SQL。我怎样才能做到这一点？
回答by mranders
In application.conf, you can turn showing SQL on uncommenting jpa.debugSQL=true. This will give you the prepared statement queries with question marks in them. Also, Play uses Hibernate, so you can also use Hibernate properties. These can be written in application.confdirectly or in a separate hibernate.propertiesfile residing in the conffolder of your Play application.
在 中application.conf，您可以在取消注释时打开显示 SQL jpa.debugSQL=true。这将为您提供带有问号的准备好的语句查询。此外，Play 使用 Hibernate，因此您也可以使用 Hibernate 属性。这些可以直接写入，也可以写入位于Play 应用程序文件夹application.conf中的单独hibernate.properties文件中conf。
回答by opensas
maybe this could also help
也许这也有帮助
http://www.mkyong.com/hibernate/how-to-display-hibernate-sql-parameter-values-log4j/
http://www.mkyong.com/hibernate/how-to-display-hibernate-sql-parameter-values-log4j/
it allows you so also see the sql binding parameters values...
它使您还可以查看 sql 绑定参数值...
