update

libmarlin/src/db/migrations/0003_create_links_collections_views.sql

@@ -0,0 +1,28 @@
+PRAGMA foreign_keys = ON;
+
+-- File-to-file links
+CREATE TABLE IF NOT EXISTS links (
+  id            INTEGER PRIMARY KEY,
+  src_file_id   INTEGER NOT NULL REFERENCES files(id) ON DELETE CASCADE,
+  dst_file_id   INTEGER NOT NULL REFERENCES files(id) ON DELETE CASCADE,
+  type          TEXT,
+  UNIQUE(src_file_id, dst_file_id, type)
+);
+
+-- Named collections
+CREATE TABLE IF NOT EXISTS collections (
+  id   INTEGER PRIMARY KEY,
+  name TEXT    NOT NULL UNIQUE
+);
+CREATE TABLE IF NOT EXISTS collection_files (
+  collection_id INTEGER NOT NULL REFERENCES collections(id) ON DELETE CASCADE,
+  file_id       INTEGER NOT NULL REFERENCES files(id)       ON DELETE CASCADE,
+  PRIMARY KEY(collection_id, file_id)
+);
+
+-- Saved views
+CREATE TABLE IF NOT EXISTS views (
+  id    INTEGER PRIMARY KEY,
+  name  TEXT    NOT NULL UNIQUE,
+  query TEXT    NOT NULL
+);