android.database.sqlite.SQLiteConstraintException:UNIQUE constraint failed: ERROR_EXAM._id
android.database.sqlite.SQLiteConstraintException:UNIQUE constraint failed: ERROR_EXAM._id 1.問題 2.問題原因GreenDao 的id用的是long 如果不賦值會有初始值0就會導致主鍵重複 3.解決辦法將long改成Long 4.問題解決親測有效
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相關文章
- 1. Sqlite - constraint failed[0x1555]: UNIQUE constraint failed
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- 3. android.database.sqlite.SQLiteConstraintException: NOT NULL constraint failed: GROUP_FILE.FILE_NAME
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- 7. PostgreSQL-constraint
- 8. mysql外鍵設置問題 Failed to add the foreign key constraint.
- 9. java.lang.IllegalArgumentException: column '_id' does not exist
- 10. mongoDB經過_id刪除doc