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?
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
如果您使用Spring Boot 3和/或Hibernate 6,以下配置将显示参数值:
# basic log level for all messages
logging.level.org.hibernate=info
# SQL statements and parameters
logging.level.org.hibernate.SQL=debug
logging.level.org.hibernate.orm.jdbc.bind=trace
# Statistics and slow queries
logging.level.org.hibernate.stat=debug
logging.level.org.hibernate.SQL_SLOW=info
# 2nd Level Cache
logging.level.org.hibernate.cache=debug
其他回答
您可以在log4j.xml中添加类别行:
<category name="org.hibernate.type">
<priority value="TRACE"/>
</category>
并添加hibernate属性:
<property name="show_sql">true</property>
<property name="format_sql">true</property>
<property name="use_sql_comments">true</property>
将hibernate.cfg.xml修改为:
<property name="show_sql">true</property>
<property name="format_sql">true</property>
<property name="use_sql_comments">true</property>
在"log4j.properties"中包含log4j和以下条目:
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
在Java中:
如果查询是CriteriaQuery (javax.persistence),则转换TypedQuery中的查询。
然后:
query.unwrap (org.hibernate.Query.class) .getQueryString ();
将以下内容添加到log4j或logback配置中:
org.hibernate.sql=DEBUG
org.hibernate.type.descriptor.sql.BasicBinder=TRACE
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>