"SQLiteDiskIOException:错误代码10:磁盘I/O错误"；在DROP TABLE上在ICS和Samsung Nexus上重调

问题描述

我遇到以下错误:

android.database.sqlite.SQLiteDiskIOException: error code 10: disk I/O error
    at android.database.sqlite.SQLiteStatement.native_execute(Native Method)
    at android.database.sqlite.SQLiteStatement.executeUpdateDelete(SQLiteStatement.java:92)
    at android.database.sqlite.SQLiteDatabase.executeSql(SQLiteDatabase.java:1926)
    at android.database.sqlite.SQLiteDatabase.execSQL(SQLiteDatabase.java:1866)

我仅在Samsung Nexus手机上的ICS 4.0.1上收到此错误.在仿真器上，Motorola Xoom 3.2和HTC Desire 2.3.3，代码可以正常工作.我的代码针对的是SDK的版本8或2.2.x. execSQL执行如下:

I only get this error on ICS 4.0.1 on a Samsung Nexus phone. On an emulator, a Motorola Xoom 3.2 and an HTC Desire 2.3.3, the code works fine. My code is targeted at version 8, or 2.2.x, of the SDK. The execSQL is executed as follows:

db.execSQL("DROP TABLE IF EXISTS " + table.getTableName());

数据库存储在内部，而不存储在SD卡上.关于如何解决此问题有什么建议吗?

The database is stored internally and not on an SD card. Any suggestions on how to solve this problem?

推荐答案

解决了这个问题.

问题在于，在drop table语句之前，有一个Context.deleteDatabase('dbName')语句显然已删除了db，因此报告的I/O错误是很有意义的.

Problem was that prior to the drop table statements there was a Context.deleteDatabase('dbName') statement which had obviously removed the db, and the I/O error being reported then makes perfect sense.

似乎以前(不必要)使用了皮带和牙套方法.

It seems that a belt and braces approach had been used previously (unnecessarily).

但是有趣的是，直到转向ICS，这才成为问题.

However the interesting thing is that this didn't manifest as a problem until the move to ICS.

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