Enable foreign keys in sqlite

Author: pfrazee

lib/db.js

@@ -49,6 +49,13 @@ exports.makeSqliteTransactor = function (setupPromise) {
 // runs needed migrations, returns a promise
 exports.setupSqliteDB = function (db, {setup, migrations}, logTag) {
   return new Promise((resolve, reject) => {
+    // configure connection
+    db.run('PRAGMA foreign_keys = ON;', (err) => {
+      if (err) {
+        console.error('Failed to enable FK support in SQLite', err)
+      }
+    })
+
     // run migrations
     db.get('PRAGMA user_version;', (err, res) => {
       if (err) return reject(err)