modified SQL for performance improvement

git-svn-id: http://15.206.35.175/svn/proteus/business-java/trunk@100233 ce508802-f39f-4f6c-b175-0d175dae99d5

webitm-dashboard/ibase/dashboard/epa/ejb/EmpAnalytics.java

@@ -8,8 +8,6 @@ import java.rmi.RemoteException;
 import java.sql.Connection;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
-import java.text.SimpleDateFormat;
-import java.util.Date;
 import javax.ejb.Stateless;
 import org.json.simple.JSONObject;
  
@@ -693,18 +691,7 @@ public class EmpAnalytics extends ValidatorEJB  implements EmpAnalyticsRemote, E
 	}
 	/********** End of method getSDTimeAnalyticsWorstServlet()  ******/
 	
-	private String checkZero(String str)
-    {
-            if(str == null || str.equals(null) || str.equalsIgnoreCase(""))
-            {
-                    return "0";
-            }
-            else
-            {
-                    return str ;
-            }
 	
-    }
 
 	private String checkNull(String str)
 	{