Update path hash database migrations

api/database/migrations/002_photo.up.sql

@@ -20,7 +20,7 @@ CREATE TABLE IF NOT EXISTS album (
   title varchar(256) NOT NULL,
   parent_album int,
   owner_id int NOT NULL,
-  path varchar(512) NOT NULL,
+  path varchar(1024) NOT NULL,
   path_hash varchar(32) NOT NULL UNIQUE,
 
   PRIMARY KEY (album_id),

api/database/migrations/007_path_hash.up.sql

@@ -0,0 +1,43 @@
+-- Update database to hash indexed paths
+
+CREATE PROCEDURE MigratePathHashIfNeeded()
+BEGIN
+
+-- Add path hash for photo table if it doesn't exist
+IF NOT EXISTS( SELECT *
+            FROM INFORMATION_SCHEMA.COLUMNS
+           WHERE table_name = 'photo'
+			 AND table_schema = DATABASE()
+             AND column_name = 'path_hash')  THEN
+
+    -- Remove unique index from photo.path
+    ALTER TABLE photo DROP INDEX path;
+
+    -- Add path_hash and set it to the md5 hash based of the path attribute
+    ALTER TABLE photo ADD path_hash varchar(32);
+    UPDATE photo p SET path_hash = md5(p.path);
+    ALTER TABLE photo MODIFY path_hash varchar(32) NOT NULL UNIQUE;
+
+END IF;
+
+-- Add path hash for album table if it doesn't exist
+IF NOT EXISTS( SELECT *
+            FROM INFORMATION_SCHEMA.COLUMNS
+           WHERE table_name = 'album'
+			 AND table_schema = DATABASE()
+             AND column_name = 'path_hash')  THEN
+
+    -- Remove unique index from album.path
+    ALTER TABLE album DROP INDEX path;
+
+    -- Add path_hash and set it to the md5 hash based of the path attribute
+    ALTER TABLE album ADD path_hash varchar(32);
+    UPDATE album a SET path_hash = md5(a.path);
+    ALTER TABLE album MODIFY path_hash varchar(32) NOT NULL UNIQUE;
+
+END IF;
+
+END; -- MigratePathHashIfNeeded procedure end
+
+CALL MigratePathHashIfNeeded();
+DROP PROCEDURE MigratePathHashIfNeeded;