On 2018/12/05 5:20 AM, Ryan Schmidt wrote:
Hello,
I have a corrupt SQLite database about which I'd appreciate your advice. The
data is not critical but I'd like to fix it if it's possible and not too
time-consuming. Even just knowing why the problem occurred or how to prevent it
in the future would be helpful. If there's something the application should be
doing differently in its use of the SQLite library to ensure the database
doesn't get corrupted that would be good to know.
The application that is using the SQLite library (MacPorts) is experiencing
this error://....
Hi Ryan, the question has two parts:
1 - Can it be fixed?
Very probably - by simply dumping it to text and re-importing again. It
may need a scan by eye to make sure there are no serious broken text,
but usually the Index errors as per your error dump will not be too
complicated and easily/automatically corrected.
See the .dump command in the sqlite CLI documentation:
https://sqlite.org/cli.html#converting_an_entire_database_to_an_ascii_text_file
2 - How did it happen?
Hard to say, almost certainly a write that somehow didn't make it to the
physical layer.
Here is a list of why that can happen (which you may have already
encountered in your research):
https://sqlite.org/howtocorrupt.html
Good luck!
Ryan
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