init commit

store/migration/sqlite/0.13/00__memo_relation.sql

@@ -0,0 +1,7 @@
+-- memo_relation
+CREATE TABLE memo_relation (
+  memo_id INTEGER NOT NULL,
+  related_memo_id INTEGER NOT NULL,
+  type TEXT NOT NULL,
+  UNIQUE(memo_id, related_memo_id, type)
+);

store/migration/sqlite/0.13/01__remove_memo_organizer_id.sql

@@ -0,0 +1,22 @@
+DROP TABLE IF EXISTS memo_organizer_temp;
+
+CREATE TABLE memo_organizer_temp (
+  memo_id INTEGER NOT NULL,
+  user_id INTEGER NOT NULL,
+  pinned INTEGER NOT NULL CHECK (pinned IN (0, 1)) DEFAULT 0,
+  UNIQUE(memo_id, user_id)
+);
+
+INSERT INTO
+  memo_organizer_temp (memo_id, user_id, pinned)
+SELECT
+  memo_id,
+  user_id,
+  pinned
+FROM
+  memo_organizer;
+
+DROP TABLE memo_organizer;
+
+ALTER TABLE
+  memo_organizer_temp RENAME TO memo_organizer;