title: Lots of "BIND" and "PARSE" appear in csvlog
body: <p>In my PostgreSQL csvlog files, I find lots of "BIND" and "PARSE" Key word in the csv log files,just as the following:</p>
  
  <p>Is there any one can explain the meaning of "BIND" and "PARSE" which appear in the csv log? </p>
  
  <p>I dont konw if it's normal ,or ther is a problem,thanks!</p>
  
  <p>PostgreSQL VERSION: 9.0.1</p>
  
  <p>--"BIND" csvlog </p>
  
  <pre>
  2011-07-29 09:50:01.154 CST,"netpk","netpk",674,"192.168.170.37:41022",4e3211b2.2a2,2,"BIND",2011-07-29 09:49:38 CST,212/1074044,0,LOG,00000,"duration: 3539.601 ms  bind :      select *     from t_tmp     where skyid=$1 and appid=$2   ","parameters: $1 = '202882651', $2 = '324016'",,,,,,,,""
  </pre>
  
  <p>--"PARSE" csvlog </p>
  
  <pre>
  2011-07-29 09:50:01.177 CST,"netpk","netpk",727,"192.168.170.37:41098",4e3211b7.2d7,3,"PARSE",2011-07-29 09:49:43 CST,269/687465,0,LOG,00000,"duration: 1420.256 ms  parse &lt;unnamed&gt;:     select * from (select * from t_tmp      where appid=$1           and status=0 and manual_status=0    )t    where 1=1    and     C9=3 and (C0&gt;0 and C0&lt;10) order by C0 desc,skyid desc                 offset $2       limit $3     ",,,,,,,,,""
  </pre>