getAllKeys
fun getAllKeys(query: IDBValidKey? = definedExternally, count: Int = definedExternally): IDBRequest<ReadonlyArray<IDBValidKey>>(source)
Retrieves the keys of records matching the given key or key range in query (up to count if given).
If successful, request's result will be an Array of the keys.
fun getAllKeys(query: IDBKeyRange?, count: Int = definedExternally): IDBRequest<ReadonlyArray<IDBValidKey>>(source)