Merge pull request #640 from Zooz/alter-jobs-script

fix: Alter jobs script to add experiments column

src/database/sequlize-handler/migrations/13_jobs_experiment.js

@@ -0,0 +1,15 @@
+const Sequelize = require('sequelize');
+
+module.exports.up = async (query, DataTypes) => {
+    const jobsTable = await query.describeTable('jobs');
+
+    if (!jobsTable.experiments) {
+        await query.addColumn(
+            'jobs', 'experiments',
+            Sequelize.DataTypes.JSON); // stringified array
+    }
+};
+
+module.exports.down = async (query, DataTypes) => {
+    await query.removeColumn('jobs', 'experiments');
+};