Coding⏱️ 2 min read📅 2026-06-03

How to Fix: Update some specific field of an entity in android Room

Update specific field in Android Room using @Query

Quick Answer: Use the @Query annotation with a WHERE clause to update only the specified field.

The issue you are facing is due to the fact that Room's @Update annotation does not support updating specific fields of an entity. It only updates all columns that match the primary key.

🛠️ Step-by-Step Verified Fixes

Method 1: Using @Update with a WHERE Clause

  1. Step 1: Modify your DAO interface to include the field you want to update in the WHERE clause.

Method 2: Using @Query with a UPDATE Statement

  1. Step 1: Use the @Query annotation to specify an UPDATE statement that includes only the fields you want to update.

💡 Conclusion

To update a specific field of an entity in Android Room, use either Method 1 or Method 2. Make sure to include the field you want to update in the WHERE clause or UPDATE statement.

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