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Android Data Persistence with Room Working with Room Saving a Test Pizza

Tonnie Fanadez
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Tonnie Fanadez
UX Design Techdegree Graduate 22,793 Points

Warning: toppingId column foreign key reference

Getting this warning while running tests

_ warning: toppingId column references a foreign key but it is not part of an index. This may trigger full table scans whenever parent table is modified so you are highly advised to create an index that covers this column. public final class PizzaTopping { _

Here is my PizzaTopping class

import android.arch.persistence.room.Entity
import android.arch.persistence.room.ForeignKey

@Entity(primaryKeys = ["pizzaId", "toppingId"], foreignKeys = [
    ForeignKey(entity = Pizza::class, parentColumns = ["id"], childColumns = ["pizzaId"]),
     ForeignKey(entity = Topping::class, parentColumns = ["id"], childColumns = ["toppingId"])])
data class PizzaTopping(val pizzaId: Int,
                        val toppingId: Int)

Searched for help online but didn't find a solution; please have a look and help