如何通过不具有ArrayIndexOutOfBoundsException的executeBatch获取生成的键? [英] How to get generated keys by executeBatch without ArrayIndexOutOfBoundsException?

问题描述

以下方法我想同时插入几条记录.

The following method I want to INSERT several records simultaneously.

public void insert() {
    try {
        this.connection.setAutoCommit(false);
        PreparedStatement ps = this.connection.prepareStatement(
                "INSERT INTO  COMPANY (NAME,Address) Values (?,?)", new String[]{"ID"});
        ps.setString(1, "X01");
        ps.setString(2, "Address1");
        ps.addBatch();

        ps.setString(1, "Y01");
        ps.setString(2, "Address2");
        ps.addBatch();

       //EXCEPTION OCCURS HERE
        int[] numUpdates = ps.executeBatch();

        for (int i = 0; i < numUpdates.length; i++) {
                System.out.println("Execution " + i +
                        "successful: " + numUpdates[i] + " rows inserted");
        }

        ResultSet resultSet =
                (ps).getGeneratedKeys();
        while (resultSet.next()) {
            String deptNoKey = resultSet.getString(1);
            System.out.println("Automatically generated key value = "
                    + deptNoKey);
        }
    } catch (BatchUpdateException b) {
        // process BatchUpdateException
    } catch (SQLException e) {
        e.printStackTrace();
    }

}

这时，当我希望获得每个INSERT生成的PK时，就会收到此异常

At this point, when I expect to get the PK's generated for each INSERT, I get this Exception

Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 22
  at oracle.jdbc.driver.T4CNumberAccessor.unmarshalOneRow(T4CNumberAccessor.java:250)
  at oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:754)
  at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:216)
  at oracle.jdbc.driver.T4CPreparedStatement.executeForRows(T4CPreparedStatement.java:1250)
  at oracle.jdbc.driver.OraclePreparedStatement.executeForRowsWithTimeout(OraclePreparedStatement.java:14264)
  at oracle.jdbc.driver.OraclePreparedStatement.executeBatch(OraclePreparedStatement.java:14379)
  at oracle.jdbc.driver.OracleStatementWrapper.executeBatch(OracleStatementWrapper.java:589)
  at dbpro.SqlHelper.insert2(SqlHelper.java:988)
  at dbpro.SqlHelper.main(SqlHelper.java:1023)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.lang.reflect.Method.invoke(Method.java:483)
  at com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)

异常后: 在表COMPANY中，正确添加了两条记录，但是我希望对每个执行的插入操作获得一个ResultSet一行，这样我就可以生成每个PK.

After Exception: In The table COMPANY , two records are added correctly but I expected to get a ResultSet with one row for each insert performed, so I could get each PK generated.

推荐答案

这似乎是Windows上Oracle中的错误，或者是驱动程序JAR ojdbc6.jar或(都知道Oracle)这两个错误.

This appears to be a bug in Oracle on Windows, the driver JAR ojdbc6.jar, or (knowing Oracle) both.

您提供的代码没有重大问题.尽管我每次运行时插入的行数都返回为-2(=

There's no significant problem with the code you have presented. It should work, although when I ran it the numbers of rows inserted each time was returned as -2 (= Statement.SUCCESS_NO_INFO), so you may be better off ignoring these numbers.

您的代码对Linux上具有四个版本的Oracle JDBC驱动程序JAR的Oracle 11g XE 11.2.0.2.0来说运行良好.但是，如果我在具有相同版本的Oracle XE和ojdbc6.jar的Windows 10上运行它，它将失败，并显示与您得到的相同的ArrayIndexOutOfBoundsException.如果我使用ojdbc7.jar而不是ojdbc6.jar，问题就解决了.

Your code runs fine for me with Oracle 11g XE 11.2.0.2.0 on Linux with four versions of the Oracle JDBC driver JAR. However, if I run it on Windows 10 with the same version of Oracle XE and with ojdbc6.jar, it fails with the same ArrayIndexOutOfBoundsException you are getting. The problem goes away if I use ojdbc7.jar instead of ojdbc6.jar.

因此，我建议将ojdbc6.jar替换为ojdbc7.jar，您可以从

Therefore, I would recommend replacing ojdbc6.jar with ojdbc7.jar, which you can download from here.

这篇关于如何通过不具有ArrayIndexOutOfBoundsException的executeBatch获取生成的键?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！