系统开发时,经常要看程序执行的SQL。使用Hibernate开发的系统设置了show_sql=true后,只能看到预编译的SQL语句,看不到传到SQL的具体参数。如:
select xnxqdm0_.XNXQM as XNXQM763_0_, xnxqdm0_.XNXQMC as XNXQMC763_0_ from CODE_XNXQDMB_V xnxqdm0_ where xnxqdm0_.XNXQM=?
使用开源软件P6Spy,能把SQL所用的具体参数打印出来,如:
07-24-13 09:40:13:439|1|22|statement|select xnxqdm0_.XNXQM as XNXQM763_0_, xnxqdm0_.XNXQMC as XNXQMC763_0_ from CODE_XNXQDMB_V xnxqdm0_ where xnxqdm0_.XNXQM=?|select xnxqdm0_.XNXQM as XNXQM763_0_, xnxqdm0_.XNXQMC as XNXQMC763_0_ from CODE_XNXQDMB_V xnxqdm0_ where xnxqdm0_.XNXQM='2011-2012-1'
P6Spy包含一个jar文件以及spy.properties配置文件。下面以在Linux系统的Resin3.0.28中配置Oracle链接为例介绍配置过程。
- 从官网下载jar包。http://sourceforge.net/projects/p6spy/files/?source=navbar 拷贝到resin的lib目录下。
- 下载spy.properties配置文件 http://octopus.ow2.org/doc/3.2-2/extras/tools/p6spy/other.htm ,拷贝到resin的lib目录下(可更换目录)。
- 修改resin.conf,将数据库驱动换成“com.p6spy.engine.spy.P6SpyDriver”。
将
<database> <jndi-name>jdbc/OracleDB</jndi-name> <driver type="oracle.jdbc.OracleDriver">
改成
<database> <jndi-name>jdbc/OracleDB</jndi-name> <driver type="com.p6spy.engine.spy.P6SpyDriver">
- 修改spy.properties如:
module.log=com.p6spy.engine.logging.P6LogFactory realdriver=oracle.jdbc.OracleDriver realdriver2=oracle.jdbc.driver.OracleDriver realdriver3= deregisterdrivers=true executionthreshold= outagedetection=false outagedetectioninterval= include = exclude = sqlexpression = filter=false trace = true autoflush = true dateformat=MM-dd-yy HH:mm:ss:SS includecategories=statement,batch,commit,rollback #error,info,debug,statement,batch,commit,rollback,result excludecategories= stringmatcher= stacktrace=false stacktraceclass= reloadproperties=false reloadpropertiesinterval=60 useprefix=false appender=com.p6spy.engine.logging.appender.StdoutLogger #appender=com.p6spy.engine.logging.appender.Log4jLogger #appender=com.p6spy.engine.logging.appender.FileLogger logfile = c:\spy.log append=true log4j.appender.STDOUT=org.apache.log4j.ConsoleAppender log4j.appender.STDOUT.layout=org.apache.log4j.PatternLayout log4j.logger.p6spy=INFO,STDOUT
- 以上修改做完后,重启应用,即可看到P6Spy打印的带参数内容的SQL语句。值得注意的是realdriver得配置两个才有效果。
realdriver=oracle.jdbc.OracleDriver realdriver2=oracle.jdbc.driver.OracleDriver