AutoMigrationSpec

Added in 2.4.0

Kotlin |Java

public interface AutoMigrationSpec

Interface for defining an automatic migration specification for Room databases.

The methods defined in this interface will be called on a background thread from the executor set in Room's builder. It is important to note that the methods are all in a transaction when it is called.

See also
`AutoMigration`

Summary

Public methods
`default void`	`onPostMigrate(@NonNull SQLiteConnection connection)` Invoked after the migration is completed.
`default void`	`onPostMigrate(@NonNull SupportSQLiteDatabase db)` Invoked after the migration is completed.

Public methods

onPostMigrate

Added in 2.7.0-alpha12

default void onPostMigrate(@NonNull SQLiteConnection connection)

Invoked after the migration is completed.

Parameters
`@NonNull SQLiteConnection connection`	The database connection.

onPostMigrate

Added in 2.4.0

default void onPostMigrate(@NonNull SupportSQLiteDatabase db)

Invoked after the migration is completed.

This function is only called when Room is configured without a driver. If a driver is set using androidx.room.RoomDatabase.Builder.setDriver, then only the version that receives a SQLiteConnection is called.

Parameters
`@NonNull SupportSQLiteDatabase db`	The SQLite database.