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/**
  * Éú³É·ûºÏÌõ¼þµÄsqlÓï¾ä,½â¾öinÎÊÌâ
  * @param sqlParam£ºÎÒÃÇÐèÒª´¦ÀíµÄ²ÎÊýµÄ×Ö·û´®¸ñʽ£¬ÀýÈç 1£¬2£¬3£¬4£¬5 ²ÎÊýÒÔ“£¬”¸ô¿ª
  * @param columnName£ºÊý¾Ý¿âÖÐÆ¥ÅäµÄ×Ö¶Î ±ÈÈ磬ÄãÏë²é¿´   id in(1,2,3)£¬ÄÇôcolumnName Ϊid
  * @return
  */
 public static String getSqlIn( String sqlParam, String columnName ){
  int buff_length = 0;
  int spIndex = 500;
  if(sqlParam==null || "".equals(sqlParam)){
   return "";
  }
  String[] str_arr = sqlParam.split(",");
  int width = str_arr.length;
        int arr_width = width/spIndex;
        if(width%spIndex!=0){
         arr_width += 1;
        }
        StringBuffer buffer = new StringBuffer("");
        for(int i=0;i<arr_width;i++){
         buffer.append(" " + columnName + " IN(");
         for(int j=i*spIndex,k=0;j<width && k<spIndex;j++,k++){
          buffer.append("'" + str_arr[j] + "',");
         }
         buff_length = buffer.length();
         buffer = buffer.delete(buff_length-1, buff_length).append(") OR");
        }
        return buffer.substring(0, buffer.length()-2);
    }


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    'RT','Redo Thread',
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