Better implementation of Bookmarks, using its own table

db/migration/20200801101355_create_bookmark_table.go

@@ -0,0 +1,53 @@
+package migration
+
+import (
+	"database/sql"
+
+	"github.com/pressly/goose"
+)
+
+func init() {
+	goose.AddMigration(upCreateBookmarkTable, downCreateBookmarkTable)
+}
+
+func upCreateBookmarkTable(tx *sql.Tx) error {
+	_, err := tx.Exec(`
+create table bookmark
+(
+    user_id    varchar(255) not null
+        references user
+            on update cascade on delete cascade,
+    item_id    varchar(255) not null,
+    item_type  varchar(255) not null,
+    comment    varchar(255),
+    position   integer,
+    changed_by varchar(255),
+    created_at datetime,
+    updated_at datetime,
+    constraint bookmark_pk
+        unique (user_id, item_id, item_type)
+);
+
+create table playqueue_dg_tmp
+(
+	id varchar(255) not null,
+	user_id varchar(255) not null
+		references user
+			on update cascade on delete cascade,
+	current varchar(255),
+	position real,
+	changed_by varchar(255),
+	items varchar(255),
+	created_at datetime,
+	updated_at datetime
+);
+drop table playqueue;
+alter table playqueue_dg_tmp rename to playqueue;
+`)
+
+	return err
+}
+
+func downCreateBookmarkTable(tx *sql.Tx) error {
+	return nil
+}