AutoMigrationSpec

Added in 2.4.0

Kotlin |Java

Cmn
```
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 functions
`open Unit`	`onPostMigrate(connection: SQLiteConnection)` Invoked after the migration is completed.	Cmn android N
`open Unit`	`onPostMigrate(db: SupportSQLiteDatabase)` Invoked after the migration is completed.	android

Public functions

onPostMigrate

Cmn android N

Added in 2.7.0-alpha12

open fun onPostMigrate(connection: SQLiteConnection): Unit

Invoked after the migration is completed.

Parameters
`connection: SQLiteConnection`	The database connection.

onPostMigrate

android

Added in 2.4.0

open fun onPostMigrate(db: SupportSQLiteDatabase): Unit

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
`db: SupportSQLiteDatabase`	The SQLite database.