--- /dev/null
+-- SQL script for upgrading the local database to the format expected for LBS
+-- version 0.7 (from a version 0.6 database).
+--
+-- This script should be loaded after connecting to the database to be
+-- upgraded.
+
+-- The subblock_signatures table was added to store a signature for old blocks
+-- for performing subfile incremental backups.
+create table subblock_signatures (
+ blockid integer primary key,
+ algorithm text not null,
+ signatures blob not null
+);