問題文
A media team's Auto Loader stream failed overnight with an exception about an unknown field. The team has not changed anything. What happened and what is the expected recovery?
選択肢
- The target table's schema enforcement rejected the write because the incoming records had an extra field, and the target's schema must be evolved before the stream can restart. for that field.
- The source added a column and the default addNewColumns mode added it to the schema and then failed the stream; restarting the stream resumes processing with the updated schema.
- The checkpoint was corrupted and must be deleted, and the stream will then reprocess all the files it has already seen from the source location.
- The source file was malformed and must be removed before the stream can restart.