3/28/2024 0 Comments Refresh sqlite database android![]() ![]() Note: Make sure that the "age" field in your `Dog` class is nullable (`int? age`) to allow passing `null` when you don't want to update the age. So when you call `await updateDog(Dog(id: 0, age: 35))`, it will update the age of the dog with ID 0 to 35 without modifying the name. If it's not null, we add it to the `updateFields` map with the key `'age'`.īy doing this, only the "age" field will be updated, and the "name" field will remain unchanged. Then, we check if the `age` field in the `dog` object is not null. In this modified code, we first create an empty `updateFields` map. how to get AutoIncrement value to start with 1 each time table is created. How do i auto-decrement primary key value in SQlite Android. Resetting Autoincrement in Android SQLite. Pass the Dog's id as a whereArg to prevent SQL injection. How can I restart auto increment ID from 1 in an Android SQLite Database. Ensure that the Dog has a matching id. To update only the "age" field without modifying the "name" field in your `updateDog` function, you can modify the code as follows: This will update the 'age' field of the dog with ID 0 to 35 while preserving the existing 'name' value in the database. ![]() With this modification, when you call `updateDog` and provide a new 'age' value, it will only update the 'age' field in the database and leave the 'name' field unchanged. Perform the update only if there are valid updates to apply. Check if the 'age' field is provided and add it to the updates. Create an empty map to hold the updates. Here's an updated version of the function: To update only the 'age' field of the `Dog` object without affecting the 'name' field, you can modify the `updateDog` function to handle the scenario where the 'name' field is not provided. ![]()
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