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docs/guide/db-active-record.md fix (#16704) [skip ci]

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Nobuo Kihara
2018-09-13 08:18:27 +09:00
committed by Alexander Makarov
parent 20899a5aa9
commit e2eee94108
1 changed files with 1 additions and 1 deletions
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docs/guide/db-active-record.md
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@ -744,8 +744,8 @@ To use optimistic locking,
The column should be of big integer type (in MySQL it would be `BIGINT DEFAULT 0`).
2. Override the [[yii\db\ActiveRecord::optimisticLock()]] method to return the name of this column.
3. Implement [[\yii\behaviors\OptimisticLockBehavior|OptimisticLockBehavior]] inside your model class to automatically parse its value from received requests.
4. In the Web form that takes user inputs, add a hidden field to store the current version number of the row being updated.
Remove the version attribute from validation rules as [[\yii\behaviors\OptimisticLockBehavior|OptimisticLockBehavior]] should handle it.
4. In the Web form that takes user inputs, add a hidden field to store the current version number of the row being updated.
5. In the controller action that updates the row using Active Record, try and catch the [[yii\db\StaleObjectException]]
exception. Implement necessary business logic (e.g. merging the changes, prompting staled data) to resolve the conflict.