sql查询计算耗时

@@ -20,11 +20,9 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.util.CollectionUtils;
 
+import java.math.BigDecimal;
 import java.sql.*;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 
 /**
  * Created by craig.qin on 2017/6/26.
@@ -147,6 +145,7 @@ public class SqlOperateServiceImpl implements SqlOperateService {
         BaseResponse res=null;
         Map<String,Object> rtnList=new HashMap<String,Object>();
         String queryDescr="";
+        long   compareTs=-1;
         String hasNext="no";//分页，是否存在下一页
         boolean showSeqNOColumn=false;
         String seqNOColumnName="_seqno_column_numberIndex";
@@ -196,6 +195,10 @@ public class SqlOperateServiceImpl implements SqlOperateService {
                 rtnList.put("showPi",false);
             }
 
+            //
+            Calendar beginCal = Calendar.getInstance();
+            long beginTs = beginCal.getTime().getTime();
+
             st = con.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
             st.setFetchSize(SqlQueryConstant.FETCH_COUNT_FROM_MYSQL);
             //不是desc的查询需要限定数量了
@@ -205,6 +208,18 @@ public class SqlOperateServiceImpl implements SqlOperateService {
             }
 
             rs = st.executeQuery(sql);
+
+            //计算耗时
+            Calendar endCal = Calendar.getInstance();
+            long endTs = endCal.getTime().getTime();
+            compareTs = endTs - beginTs;
+
+            int test =rs.getRow();
+            System.out.println("==**"+test);
+            rs.last();
+            test = rs.getRow();
+            System.out.println("==**"+test);
+
             rs.beforeFirst();
             rs.relative(SqlQueryConstant.MAX_QUERY_RESULT_COUNT*sqlOperateModel.getCurrentPage());
             JSONArray ja_column=new JSONArray();
@@ -373,6 +388,9 @@ public class SqlOperateServiceImpl implements SqlOperateService {
             }
         }
         rtnList.put("queryDescr", StringUtils.isBlank(queryDescr)?("本页共查询到"+count+"条数据"):queryDescr);
+        if(compareTs>=0){
+            rtnList.put("queryDescr",rtnList.get("queryDescr")+",总耗时 " + compareTs+"ms ");
+        }
         rtnList.put("queryCount",count);
         rtnList.put("hasNext",hasNext);
         res=new BaseResponse();