From d373bae7aae26b30af620447a5e9c49301c3ed3e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fredrik=20Adel=C3=B6w?= <freben@gmail.com>
Date: Fri, 13 Aug 2021 16:35:23 +0200
Subject: [PATCH] add the hash column
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Signed-off-by: Fredrik Adelöw <freben@gmail.com>
---
 plugins/catalog-backend/knexfile.js           | 26 ++++++++++++
 .../20210813143113_add_refresh_state_hash.js  | 40 +++++++++++++++++++
 2 files changed, 66 insertions(+)
 create mode 100644 plugins/catalog-backend/knexfile.js
 create mode 100644 plugins/catalog-backend/migrations/20210813143113_add_refresh_state_hash.js

diff --git a/plugins/catalog-backend/knexfile.js b/plugins/catalog-backend/knexfile.js
new file mode 100644
index 0000000000..4c8be42673
--- /dev/null
+++ b/plugins/catalog-backend/knexfile.js
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2021 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// This file makes it possible to run "yarn knex migrate:make some_file_name"
+// to assist in making new migrations
+module.exports = {
+  client: 'sqlite3',
+  connection: ':memory:',
+  useNullAsDefault: true,
+  migrations: {
+    directory: './migrations',
+  },
+};
diff --git a/plugins/catalog-backend/migrations/20210813143113_add_refresh_state_hash.js b/plugins/catalog-backend/migrations/20210813143113_add_refresh_state_hash.js
new file mode 100644
index 0000000000..5ac9a95689
--- /dev/null
+++ b/plugins/catalog-backend/migrations/20210813143113_add_refresh_state_hash.js
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2021 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// @ts-check
+
+/**
+ * @param {import('knex').Knex} knex
+ */
+exports.up = async function up(knex) {
+  await knex.schema.alterTable('refresh_state', table => {
+    table
+      .text('hash')
+      .nullable()
+      .comment(
+        'A hash of the processed contents, used to avoid duplicate work',
+      );
+  });
+};
+
+/**
+ * @param {import('knex').Knex} knex
+ */
+exports.down = async function down(knex) {
+  await knex.schema.alterTable('refresh_state', table => {
+    table.dropColumn('hash');
+  });
+};