title: Warning during excecution of command in PIG
body: <p>I am new to the concept of PIG . Now i have file mounted on HDFS . 
     While i am loading the file using </p>
  
  <blockquote>
    <p>A = LOAD 'user/vishal/output/part-00000' USING PigStorage(' ') as
    (name,occourence)</p>
  </blockquote>
  
  <p>it is happening propery but while i am using FILTER command like</p>
  
  <blockquote>
    <p>FLT = FILTER A by occourence > '20' and occourence &lt; '35';</p>
  </blockquote>
  
  <p>it is giving the following error</p>
  
  <blockquote>
    <p>2013-02-27 11:06:16,264 [main] WARN  org.apache.pig.PigServer -
    Encountered Warning IMPLICIT_CAST_TO_CHARARRAY 6 time(s)</p>
  </blockquote>
  
  <p>What could be the issue</p>
  
  <p>Thanks</p>