java 操作Oracle 批量入库的问题

java 操作Oracle 批量入库的问题

先说下我运行的环境:

Windows7 64位操作系统

(四核)Intel i5-2300 CPU @2.80GHz

内存4G

硬盘1T

Jdk1.6+MyEclipse8.6 for Spring+ojdbc14.jar

Oracle10.2.0+PLSQL7.1.4.1390

情况是这样的,今天一个朋友说用了我说的Oracle的Table类型批量入库过后,感觉慢了点。为此我在不考虑多线程的情况下,分别用“Oracle的 自定义类型定义表类型”、“Oracle的基本类型定义表类型”、“JDBCBATCH”一次性向Oracle插入10000条数据的用时进行了测试。结 果让我很费解。在这里列出来,希望知道的能解答一下,万分感谢。

数据表:

数据表:
-- Create table
create table DATE_JH_INC_UDR_01
(
  SERIAL_NUMBER    VARCHAR2(16) not null,
  OPR_TYPE         VARCHAR2(10) not null,
  SERV_CODE        VARCHAR2(10) not null,
  SP_CODE          VARCHAR2(10) not null,
  OPER_CODE        VARCHAR2(20) not null,
  INPUT_START_DATE DATE,
  INPUT_END_DATE   DATE,
  OPR_TIME         DATE,
  EFF_TIME         DATE not null,
  OPR_SOURCE       VARCHAR2(10),
  THIRD_DN         VARCHAR2(30),
  CHRG_TYPE        VARCHAR2(10)
);
-- Create/Recreate primary, unique and foreign key constraints 
alter table DATE_JH_INC_UDR_01
  add constraint PK_DATE_JH_INC_UDR_01 primary key (SERIAL_NUMBER, OPR_TYPE, SERV_CODE, SP_CODE, OPER_CODE, EFF_TIME);
-- Create/Recreate indexes 
create index IDX_DATE_JH_INC_UDR_011 on DATE_JH_INC_UDR_01 (SP_CODE, OPER_CODE);

一、采用Oracle“基本类型”定义表类型入库。

  数据库准备:

  数据库准备:
CREATE OR REPLACE TYPE D_SERIAL_NUMBER IS TABLE OF NVARCHAR2(16);
    CREATE OR REPLACE TYPE D_OPR_TYPE IS TABLE OF NVARCHAR2(2);
    CREATE OR REPLACE TYPE D_SERV_CODE IS TABLE OF NUMBER(10);
    CREATE OR REPLACE TYPE D_SP_CODE IS TABLE OF NVARCHAR2(10);
    CREATE OR REPLACE TYPE D_OPER_CODE IS TABLE OF NVARCHAR2(20);
    CREATE OR REPLACE TYPE D_INPUT_START_DATE IS TABLE OF NVARCHAR2(25);
    CREATE OR REPLACE TYPE D_INPUT_END_DATE IS TABLE OF NVARCHAR2(25);
    CREATE OR REPLACE TYPE D_OPR_TIME IS TABLE OF NVARCHAR2(25);
    CREATE OR REPLACE TYPE D_EFF_TIME IS TABLE OF NVARCHAR2(25);
    CREATE OR REPLACE TYPE D_OPR_SOURCE IS TABLE OF NVARCHAR2(2);
    CREATE OR REPLACE TYPE D_THIRD_DN IS TABLE OF NVARCHAR2(30);
    CREATE OR REPLACE TYPE D_CHRG_TYPE IS TABLE OF NVARCHAR2(2);

    CREATE OR REPLACE PROCEDURE ARRAY_TO_IBOSS_UDR2(V_1 D_SERIAL_NUMBER,V_2 D_OPR_TYPE,V_3 D_SERV_CODE,V_4 D_SP_CODE,V_5 D_OPER_CODE,V_6 D_INPUT_START_DATE,V_7 D_INPUT_END_DATE,V_8 D_OPR_TIME,V_9 D_EFF_TIME,V_10 D_OPR_SOURCE,V_11 D_THIRD_DN,V_12 D_CHRG_TYPE,O_ERR OUT VARCHAR2,SUCC_COUNT OUT NUMBER,FAIL_COUNT OUT NUMBER)
    AS
    I INTEGER;
    BEGIN
        I:=0;
        SUCC_COUNT:=0;
        FAIL_COUNT:=0;
        WHILE I<V_1.COUNT LOOP
        BEGIN
            I:=I+1;
            INSERT INTO DATE_JH_INC_UDR_01 VALUES(V_1(I),V_2(I),V_3(I),V_4(I),V_5(I),TO_DATE(V_6(I),'YYYY-MM-DD HH24:MI:SS'),TO_DATE(V_7(I),'YYYY-MM-DD HH24:MI:SS'),TO_DATE(V_8(I),'YYYY-MM-DD HH24:MI:SS'),TO_DATE(V_9(I),'YYYY-MM-DD HH24:MI:SS'),V_10(I),V_11(I),V_12(I));
            SUCC_COUNT:=SUCC_COUNT+1;
        EXCEPTION
        WHEN OTHERS THEN
        FAIL_COUNT:=FAIL_COUNT+1;
        O_ERR := I||':'||SQLERRM;
        END;
        END LOOP;
    END;

Java代码:

import java.sql.CallableStatement;
import java.sql.DriverManager;
import java.util.ArrayList;
import java.util.List;

import oracle.jdbc.OracleConnection;
import oracle.sql.ARRAY;



public class AutoMcasDataDeal {

    @SuppressWarnings("unchecked")
    public static void main(String[] args) throws Exception
    {
        System.out.println("----------这是使用Oracle“基本类型”定义表类型入库--------");
        long datebegin = System.currentTimeMillis();
        try{
            int succcount=0;
            int failcount=0;
            
            long datebegin1 = System.currentTimeMillis();
            List s1 = new ArrayList();
            List s2 = new ArrayList();
            List s3 = new ArrayList();
            List s4 = new ArrayList();
            List s5 = new ArrayList();
            List s6 = new ArrayList();
            List s7 = new ArrayList();
            List s8 = new ArrayList();
            List s9 = new ArrayList();
            List s10 = new ArrayList();
            List s11 = new ArrayList();
            List s12 = new ArrayList();
            oracle.sql.ArrayDescriptor a = null;
            oracle.sql.ArrayDescriptor b = null;
            oracle.sql.ArrayDescriptor c = null;
            oracle.sql.ArrayDescriptor d = null;
            oracle.sql.ArrayDescriptor e = null;
            oracle.sql.ArrayDescriptor f = null;
            oracle.sql.ArrayDescriptor g = null;
            oracle.sql.ArrayDescriptor h = null;
            oracle.sql.ArrayDescriptor j = null;
            oracle.sql.ArrayDescriptor k = null;
            oracle.sql.ArrayDescriptor l = null;
            oracle.sql.ArrayDescriptor m = null;
            for (int i = 0; i < 10000; i++) {
                s1.add(i);
                s2.add("0000");
                s3.add("0000");
                s4.add("0000");
                s5.add("0000");
                s6.add("20131226000000");
                s7.add("20131226235959");
                s8.add("20131227120054");
                s9.add("20131228120054");
                s10.add("0000");
                s11.add("0000");
                s12.add("0000");
            }
            long end1 = System.currentTimeMillis();
            System.out.println("组装list用时:"+(end1-datebegin1)+"毫秒");
            
            
            long date1 = System.currentTimeMillis();
            OracleConnection conn = null;
            CallableStatement cstmt = null;
            Class.forName("oracle.jdbc.driver.OracleDriver");
            conn = (OracleConnection)DriverManager.getConnection("jdbc:oracle:thin:@"+"127.0.0.1"+":1521:"+"orcl", "test", "root");
            a = oracle.sql.ArrayDescriptor.createDescriptor("D_SERIAL_NUMBER", conn);
            b = oracle.sql.ArrayDescriptor.createDescriptor("D_OPR_TYPE", conn);
            c = oracle.sql.ArrayDescriptor.createDescriptor("D_SERV_CODE", conn);
            d = oracle.sql.ArrayDescriptor.createDescriptor("D_SP_CODE", conn);
            e = oracle.sql.ArrayDescriptor.createDescriptor("D_OPER_CODE", conn);
            f = oracle.sql.ArrayDescriptor.createDescriptor("D_INPUT_START_DATE", conn);
            g = oracle.sql.ArrayDescriptor.createDescriptor("D_INPUT_END_DATE", conn);
            h = oracle.sql.ArrayDescriptor.createDescriptor("D_OPR_TIME", conn);
            j = oracle.sql.ArrayDescriptor.createDescriptor("D_EFF_TIME", conn);
            k = oracle.sql.ArrayDescriptor.createDescriptor("D_OPR_SOURCE", conn);
            l = oracle.sql.ArrayDescriptor.createDescriptor("D_THIRD_DN", conn);
            m = oracle.sql.ArrayDescriptor.createDescriptor("D_CHRG_TYPE", conn);
            long date2 = System.currentTimeMillis();
            System.out.println("数据库连接准备用时:"+(date2-date1)+"毫秒");
            
            long array1 = System.currentTimeMillis();
            ARRAY a_test = new ARRAY(a, conn, s1.toArray());
            ARRAY b_test = new ARRAY(b, conn, s2.toArray());
            ARRAY c_test = new ARRAY(c, conn, s3.toArray());
            ARRAY d_test = new ARRAY(d, conn, s4.toArray());
            ARRAY e_test = new ARRAY(e, conn, s5.toArray());
            ARRAY f_test = new ARRAY(f, conn, s6.toArray());
            ARRAY g_test = new ARRAY(g, conn, s7.toArray());
            ARRAY h_test = new ARRAY(h, conn, s8.toArray());
            ARRAY j_test = new ARRAY(j, conn, s9.toArray());
            ARRAY k_test = new ARRAY(k, conn, s10.toArray());
            ARRAY l_test = new ARRAY(l, conn, s11.toArray());
            ARRAY m_test = new ARRAY(m, conn, s12.toArray());
            long array2 = System.currentTimeMillis();
            System.err.println("组装ARRAY用时:"+(array2-array1)+"毫秒");
            
            long params1 = System.currentTimeMillis();
            cstmt = conn.prepareCall("{ call array_to_iboss_udr2(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?) }");
            cstmt.setObject(1, a_test);
            cstmt.setObject(2, b_test);
            cstmt.setObject(3, c_test);
            cstmt.setObject(4, d_test);
            cstmt.setObject(5, e_test);
            cstmt.setObject(6, f_test);
            cstmt.setObject(7, g_test);
            cstmt.setObject(8, h_test);
            cstmt.setObject(9, j_test);
            cstmt.setObject(10, k_test);
            cstmt.setObject(11, l_test);
            cstmt.setObject(12, m_test);
            cstmt.registerOutParameter(13, java.sql.Types.VARCHAR);
            cstmt.registerOutParameter(14, java.sql.Types.NUMERIC);
            cstmt.registerOutParameter(15, java.sql.Types.NUMERIC);
            long params2 = System.currentTimeMillis();
            System.out.println("设置参数用时:"+(params2-params1)+"毫秒");
            
            long exe1 = System.currentTimeMillis();
            cstmt.execute();
            long exe2 = System.currentTimeMillis();
            System.err.println("执行用时:"+(exe2-exe1)+"毫秒");
            
            long cl1 = System.currentTimeMillis();
            String error_info = cstmt.getString(13);
            succcount = succcount+cstmt.getInt(14);
            failcount = failcount+cstmt.getInt(15);
            if(error_info!=null)System.out.println(error_info);
            long cl2 = System.currentTimeMillis();
            cstmt.close();
            conn.close();
            System.out.println("获取返回参数及关闭用时:"+(cl2-cl1)+"毫秒");
        }
        catch(Exception e){
            e.printStackTrace();
        }
        
        long end = System.currentTimeMillis();
        System.out.println("入库总用时:"+(end-datebegin)+"毫秒"+"  秒数为:"+((end-datebegin)/1000.0));

    }
}
View Code

执行之前清除数据:TRUNCATE TABLE DATE_JH_INC_UDR_01;

测试结果:

 

二、采用Oracle“自定义类型”定义表类型入库。

数据库类型准备:

  --创建一个Object类型
  CREATE OR REPLACE TYPE o_d_type AS OBJECT
  (
    SERIAL_NUMBER    NVARCHAR2(16),
    OPR_TYPE         NVARCHAR2(10),
    SERV_CODE        NVARCHAR2(10),
    SP_CODE          NVARCHAR2(10),
    OPER_CODE        NVARCHAR2(20),
    INPUT_START_DATE NVARCHAR2(30),
    INPUT_END_DATE   NVARCHAR2(30),
    OPR_TIME         NVARCHAR2(30),
    EFF_TIME         NVARCHAR2(30),
    OPR_SOURCE       NVARCHAR2(10),
    THIRD_DN         NVARCHAR2(30),
    CHRG_TYPE        NVARCHAR2(10)
  );
  --创建一个Table类型——对象表
  CREATE OR REPLACE TYPE t_d_type AS TABLE OF o_d_type;
  
  /*
   * 批量入库存储过程
   */
  CREATE OR REPLACE PROCEDURE ARRAY_TO_IBOSS_UDR(V_1        IN T_D_TYPE, --table类型参数
                                                 O_ERR      OUT VARCHAR2,
                                                 SUCC_COUNT OUT NUMBER,
                                                 FAIL_COUNT OUT NUMBER) AS
    I      INTEGER;
    V_TYPE O_D_TYPE; --object 类型变量
  BEGIN
    I          := 0;
    SUCC_COUNT := 0;
    FAIL_COUNT := 0;
    WHILE I < V_1.COUNT LOOP
      BEGIN
        I      := I + 1;
        V_TYPE := V_1(I); --将table里的值赋给object
        INSERT INTO DATE_JH_INC_UDR_01
        VALUES
          (V_TYPE.SERIAL_NUMBER,
           V_TYPE.OPR_TYPE,
           V_TYPE.SERV_CODE,
           V_TYPE.SP_CODE,
           V_TYPE.OPER_CODE,
           TO_DATE(V_TYPE.INPUT_START_DATE, 'YYYY-MM-DD HH24:MI:SS'),
           TO_DATE(V_TYPE.INPUT_END_DATE, 'YYYY-MM-DD HH24:MI:SS'),
           TO_DATE(V_TYPE.OPR_TIME, 'YYYY-MM-DD HH24:MI:SS'),
           TO_DATE(V_TYPE.EFF_TIME, 'YYYY-MM-DD HH24:MI:SS'),
           V_TYPE.OPR_SOURCE,
           V_TYPE.THIRD_DN,
           V_TYPE.CHRG_TYPE);
        SUCC_COUNT := SUCC_COUNT + 1;
      EXCEPTION
        WHEN OTHERS THEN
          FAIL_COUNT := FAIL_COUNT + 1;
          O_ERR      := I || ':' || SQLERRM;
      END;
    END LOOP;
  END;
View Code

Java代码:

import java.sql.CallableStatement;
import java.sql.DriverManager;
import java.util.ArrayList;
import java.util.List;
import oracle.jdbc.OracleConnection;
import oracle.sql.ARRAY;

public class Test {
    /**
     * @param args
     */
    @SuppressWarnings("unchecked")
    public static void main(String[] args) {
        System.out.println("----------这是使用Oracle“自定义类型”定义表类型入库--------");
        long datebegin = System.currentTimeMillis();
        try{
            int succcount=0;
            int failcount=0;
            
            
            long datebegin1 = System.currentTimeMillis();
            List s = new ArrayList();
            for (int i = 0; i < 10000; i++) {
                Object[] o1 = new Object[12];
                o1[0] = "0"+i;
                o1[1] = "0";
                o1[2] = "0";
                o1[3] = "0";
                o1[4] = "0";
                o1[5] = "20131226";
                o1[6] = "20131226";
                o1[7] = "20131226";
                o1[8] = "20131226";
                o1[9] = "0"+i;
                o1[10] = "0";
                o1[11] = "0";
                s.add(o1);
            }
            long end1 = System.currentTimeMillis();
            System.out.println("组装list用时:"+(end1-datebegin1)+"毫秒");
            
            
            long date1 = System.currentTimeMillis();
            OracleConnection conn = null;
            CallableStatement cstmt = null;
            oracle.sql.ArrayDescriptor a = null; 
            Class.forName("oracle.jdbc.driver.OracleDriver");
            conn = (OracleConnection)DriverManager.getConnection("jdbc:oracle:thin:@"+"127.0.0.1"+":1521:"+"orcl", "test", "root");
            a = oracle.sql.ArrayDescriptor.createDescriptor("T_D_TYPE", conn);
            long date2 = System.currentTimeMillis();
            System.out.println("数据库连接准备用时:"+(date2-date1)+"毫秒");
            
            long array1 = System.currentTimeMillis();
            ARRAY a_test = new ARRAY(a, conn, s.toArray());
            long array2 = System.currentTimeMillis();
            System.err.println("组装ARRAY用时:"+(array2-array1)+"毫秒");
            
            long params1 = System.currentTimeMillis();
            cstmt = conn.prepareCall("{ call array_to_iboss_udr(?,?,?,?) }");
            cstmt.setObject(1, a_test);
            cstmt.registerOutParameter(2, java.sql.Types.VARCHAR);
            cstmt.registerOutParameter(3, java.sql.Types.NUMERIC);
            cstmt.registerOutParameter(4, java.sql.Types.NUMERIC);
            long params2 = System.currentTimeMillis();
            System.out.println("设置参数用时:"+(params2-params1)+"毫秒");
            
            long exe1 = System.currentTimeMillis();
            cstmt.execute();
            long exe2 = System.currentTimeMillis();
            System.err.println("执行用时:"+(exe2-exe1)+"毫秒");
            
            long cl1 = System.currentTimeMillis();
            String error_info = cstmt.getString(2);
            succcount = succcount+cstmt.getInt(3);
            failcount = failcount+cstmt.getInt(4);
            if(error_info!=null)System.out.println(error_info);
            cstmt.close();
            conn.close();
            long cl2 = System.currentTimeMillis();
            System.out.println("获取返回参数及关闭用时:"+(cl2-cl1)+"毫秒");
        }
        catch(Exception e){
            e.printStackTrace();  
        }
        long end = System.currentTimeMillis();
        System.out.println("入库总用时:"+(end-datebegin)+"毫秒"+"  秒数为:"+((end-datebegin)/1000.0));
    }
    
  }
View Code

执行之前清除数据:TRUNCATE TABLE DATE_JH_INC_UDR_01;

测试结果:

 

三、采用“JDBCBATCH”进行批量入库。

  数据库不用存储过程,就一张表放在那里就好

Java程序:

import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.sql.Date;
import java.util.List;

import oracle.jdbc.OracleConnection;

public class Jdbc {

    /**
     * @param args
     * @throws ClassNotFoundException 
     * @throws SQLException 
     * @throws ParseException 
     */
    public static void main(String[] args) throws ClassNotFoundException, SQLException, ParseException {
        System.out.println("----------这是使用JDBC入库--------");
        long datebegin = System.currentTimeMillis();
        List<Object[]> s = new ArrayList<Object[]>();
        for (int i = 0; i < 10000; i++) {
            Object[] o1 = new Object[12];
            o1[0] = "0"+i;
            o1[1] = "0";
            o1[2] = "0";
            o1[3] = "0";
            o1[4] = "0";
            o1[5] = "20131226";
            o1[6] = "20131226";
            o1[7] = "20131226";
            o1[8] = "20131226";
            o1[9] = "0"+i;
            o1[10] = "0";
            o1[11] = "0";
            s.add(o1);
        }
        long end1 = System.currentTimeMillis();
        System.out.println("组装list用时:"+(end1-datebegin)+"毫秒");
        
        long date1 = System.currentTimeMillis();
        Class.forName("oracle.jdbc.driver.OracleDriver");
        OracleConnection conn = null;
        conn = (OracleConnection)DriverManager.getConnection("jdbc:oracle:thin:@"+"127.0.0.1"+":1521:"+"orcl", "test", "root");
        String sql = "INSERT INTO DATE_JH_INC_UDR_01 VALUES (?,?,?,?,?,?,?,?,?,?,?,?)";
        PreparedStatement ps = conn.prepareStatement(sql);
        long date2 = System.currentTimeMillis();
        System.out.println("数据库连接准备用时:"+(date2-date1)+"毫秒");
        
        long array1 = System.currentTimeMillis();
        //设置1w条提交一次
        /*final int batchSize = 10000;
        int count = 0;*/
        for (Object[] obj: s) {
            ps.setString(1, obj[0].toString());
            ps.setString(2, obj[1].toString());
            ps.setString(3, obj[2].toString());
            ps.setString(4, obj[3].toString());
            ps.setString(5, obj[4].toString());
            ps.setDate(6, getDate(obj[5].toString()));
            ps.setDate(7, getDate(obj[6].toString()));
            ps.setDate(8, getDate(obj[7].toString()));
            ps.setDate(9, getDate(obj[8].toString()));
            ps.setString(10, obj[9].toString());
            ps.setString(11, obj[10].toString());
            ps.setString(12, obj[11].toString());
            ps.addBatch();
            /*if(++count % batchSize == 0) {
                ps.executeBatch();
            }*/
        }
        long array2 = System.currentTimeMillis();
        System.err.println("组装SQL用时:"+(array2-array1)+"毫秒");
        
        long params1 = System.currentTimeMillis();
        ps.executeBatch(); 
        long params2 = System.currentTimeMillis();
        System.out.println("执行用时:"+(params2-params1)+"毫秒");
        
        long cl1 = System.currentTimeMillis();
        ps.close();
        conn.close();
        long cl2 = System.currentTimeMillis();
        System.out.println("关闭用时:"+(cl2-cl1)+"毫秒");
        
        long end = System.currentTimeMillis();
        System.out.println("入库总用时:"+(end-datebegin)+"毫秒"+"  秒数为:"+((end-datebegin)/1000.0));
    }
    
    public static Date getDate(String str) throws ParseException{
        SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd");
        return new Date(df.parse(str).getTime());
    }

  }
View Code

执行之前清除数据:TRUNCATE TABLE DATE_JH_INC_UDR_01;

测试结果:

这让我灰常怀疑Oracle做这个数据接口出来干什么?
  几个问题,想问问大家。
  第一,对这种大批量的数据入库,各位采用的都是用什么方式+多线程?
  第二,Oracle提供ARRAY跟TABLE跟OBJECT类型拿来入库的话,是不是性能真的像我测试这样?
  第三,如果你们用的不是JDBC的Batch方法,并且比它更快的,贴出来让我学习学习吧!
  第四,这里不考虑多线程问题,当然实际应用中多线程肯定要加上去的。
  第五,向看过我Oracle的ARRAY,TABLE类型批量入库的并且还拿到生产环境上去使用的同学致以歉意,是我坑了你们......

转载地址:http://bbs.csdn.net/topics/390733080

原文地址:https://www.cnblogs.com/liuyang-inf/p/3611014.html