在Hibernate中是否有可能用真实值而不是问号打印生成的SQL查询?

如果无法使用Hibernate API,您会建议如何使用实际值打印查询?


当前回答

使用Wireshark或类似的工具:

上面提到的答案都不会正确地打印带参数的SQL,或者让它与它们一起工作是一件痛苦的事情。我通过使用WireShark实现了这一点,它可以捕获从应用程序发送到Oracle/MySQL等的所有SQL/命令。

其他回答

在使用Wildfly (standalone.xml)进行开发时,添加以下记录器:

<logger category="org.hibernate.SQL">
   <level name="DEBUG"/>
</logger>
<logger category="org.hibernate.type.descriptor.sql">
   <level name="TRACE"/>
</logger>

解决方案是正确的,但也记录结果对象的所有绑定。为了防止这种情况,可以创建一个单独的追加器并启用过滤。例如:

<!-- A time/date based rolling appender -->
<appender name="FILE_HIBERNATE" class="org.jboss.logging.appender.DailyRollingFileAppender">
    <errorHandler class="org.jboss.logging.util.OnlyOnceErrorHandler"/>
    <param name="File" value="${jboss.server.log.dir}/hiber.log"/>
    <param name="Append" value="false"/>
    <param name="Threshold" value="TRACE"/>
    <!-- Rollover at midnight each day -->
    <param name="DatePattern" value="'.'yyyy-MM-dd"/>

    <layout class="org.apache.log4j.PatternLayout">
        <!-- The default pattern: Date Priority [Category] Message\n -->
        <param name="ConversionPattern" value="%d %-5p [%c] %m%n"/>
    </layout>
  
    <filter class="org.apache.log4j.varia.StringMatchFilter">
        <param name="StringToMatch" value="bind" />
        <param name="AcceptOnMatch" value="true" />
    </filter>
    <filter class="org.apache.log4j.varia.StringMatchFilter">
        <param name="StringToMatch" value="select" />
        <param name="AcceptOnMatch" value="true" />
    </filter>  
    <filter class="org.apache.log4j.varia.DenyAllFilter"/>
</appender> 

<category name="org.hibernate.type">
  <priority value="TRACE"/>
</category>

<logger name="org.hibernate.type">
   <level value="TRACE"/> 
   <appender-ref ref="FILE_HIBERNATE"/>
</logger>

<logger name="org.hibernate.SQL">
   <level value="TRACE"/> 
   <appender-ref ref="FILE_HIBERNATE"/>
</logger>

如果您正在使用hibernate 3.2。X使用这个:

log4j.logger.org.hibernate.SQL=trace

而不是这样:

log4j.logger.org.hibernate.SQL=debug 

如果你想让Hibernate用真实值而不是问号打印生成的SQL查询,请在Hibernate .cfg.xml/ Hibernate .properties中添加以下条目:

show_sql=true
format_sql=true
use_sql_comments=true

并在log4j.properties中添加以下条目:

log4j.logger.org.hibernate=INFO, hb
log4j.logger.org.hibernate.SQL=DEBUG
log4j.logger.org.hibernate.type=TRACE
log4j.appender.hb=org.apache.log4j.ConsoleAppender
log4j.appender.hb.layout=org.apache.log4j.PatternLayout

<!-- A time/date based rolling appender -->
<appender name="FILE" class="org.apache.log4j.RollingFileAppender">
    <param name="File" value="logs/system.log" />
    <param name="Append" value="true" />
    <param name="ImmediateFlush" value="true" />
    <param name="MaxFileSize" value="200MB" />
    <param name="MaxBackupIndex" value="100" />

    <layout class="org.apache.log4j.PatternLayout">
        <param name="ConversionPattern" value="%d %d{Z} [%t] %-5p (%F:%L) - %m%n" />
    </layout>
</appender>

<appender name="journaldev-hibernate" class="org.apache.log4j.RollingFileAppender">
    <param name="File" value="logs/project.log" />
    <param name="Append" value="true" />
    <param name="ImmediateFlush" value="true" />
    <param name="MaxFileSize" value="200MB" />
    <param name="MaxBackupIndex" value="50" />

    <layout class="org.apache.log4j.PatternLayout">
        <param name="ConversionPattern" value="%d %d{Z} [%t] %-5p (%F:%L) - %m%n" />
    </layout>
</appender>

<logger name="com.journaldev.hibernate" additivity="false">
    <level value="DEBUG" />
    <appender-ref ref="journaldev-hibernate" />
</logger>

<logger name="org.hibernate" additivity="false">
    <level value="INFO" />
    <appender-ref ref="FILE" />
</logger>

<logger name="org.hibernate.type" additivity="false">
    <level value="TRACE" />
    <appender-ref ref="FILE" />
</logger>

<root>
    <priority value="INFO"></priority>
    <appender-ref ref="FILE" />
</root>