Hello Yun,

DBAppender sends the value returned by System.currentMillis(), a value of type long, as the timestamp value to MySql. There is no pattern to be specified for DBAppender. The output format for the date should be specified at query-time, i.e. in select from...

I hope this helps,

--
Ceki

On 3/14/2016 7:35, Yun He wrote:
Hi,everyone,
Following is my logback.xml about implement DBAppender just to storage
the log message to mysql database.
  <appender name="DB" class="ch.qos.logback.classic.db.DBAppender">
       <connectionSource
class="ch.qos.logback.core.db.DriverManagerConnectionSource">
           <driverClass>com.mysql.jdbc.Driver</driverClass>
           <url>jdbc:MySQL://127.0.0.1:3306/EventDataBase
<http://127.0.0.1:3306/EventDataBase></url>
           <user>root</user>
           <password>root</password>
       </connectionSource>
   </appender>

then: The following is the result ,the log message was storage in the
mysql database,but the "timestmp" filed in the table named logging_event
,the timestmp's pattern is not as{HH:mm:ss.SSS} just as the
consoleAppender,can I transform it's pattern to {HH:mm:ss:SSS} ? Could
you please give me some help?I have tried add <encoder>
<pattern>%d{HH:mm:ss.SSS}</pattern></encoder> as the ConsoleAppender's
logback.xml,but I failed.

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