From 3ea79dd31ad773c19b35818d9a1735d372ea0512 Mon Sep 17 00:00:00 2001
From: Tom Moor <tom.moor@gmail.com>
Date: Mon, 18 Nov 2019 19:49:33 -0800
Subject: [PATCH] fix: Additional SQL cascades required

---
 .../20191119023010-cascade-backlinks.js       | 22 +++++++++++++++++++
 ...20191119023011-cascade-parent-documents.js | 22 +++++++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 server/migrations/20191119023010-cascade-backlinks.js
 create mode 100644 server/migrations/20191119023011-cascade-parent-documents.js

diff --git a/server/migrations/20191119023010-cascade-backlinks.js b/server/migrations/20191119023010-cascade-backlinks.js
new file mode 100644
index 000000000..8b2ed5222
--- /dev/null
+++ b/server/migrations/20191119023010-cascade-backlinks.js
@@ -0,0 +1,22 @@
+const tableName = 'backlinks';
+const constraintName = 'backlinks_reverseDocumentId_fkey';
+
+module.exports = {
+  up: async (queryInterface, Sequelize) => {
+    await queryInterface.sequelize.query(`alter table "${tableName}" drop constraint "${constraintName}"`)
+    await queryInterface.sequelize.query(
+      `alter table "${tableName}"
+        add constraint "${constraintName}" foreign key("reverseDocumentId") references "documents" ("id")
+        on delete cascade`
+    );
+  },
+
+  down: async (queryInterface, Sequelize) => {
+    await queryInterface.sequelize.query(`alter table "${tableName}" drop constraint "${constraintName}"`)
+    await queryInterface.sequelize.query(
+      `alter table "${tableName}"\
+        add constraint "${constraintName}" foreign key("reverseDocumentId") references "documents" ("id")
+        on delete no action`
+    );
+  },
+};
\ No newline at end of file
diff --git a/server/migrations/20191119023011-cascade-parent-documents.js b/server/migrations/20191119023011-cascade-parent-documents.js
new file mode 100644
index 000000000..68999d257
--- /dev/null
+++ b/server/migrations/20191119023011-cascade-parent-documents.js
@@ -0,0 +1,22 @@
+const tableName = 'documents';
+const constraintName = 'documents_parentDocumentId_fkey';
+
+module.exports = {
+  up: async (queryInterface, Sequelize) => {
+    await queryInterface.sequelize.query(`alter table "${tableName}" drop constraint "${constraintName}"`)
+    await queryInterface.sequelize.query(
+      `alter table "${tableName}"
+        add constraint "${constraintName}" foreign key("parentDocumentId") references "documents" ("id")
+        on delete cascade`
+    );
+  },
+
+  down: async (queryInterface, Sequelize) => {
+    await queryInterface.sequelize.query(`alter table "${tableName}" drop constraint "${constraintName}"`)
+    await queryInterface.sequelize.query(
+      `alter table "${tableName}"\
+        add constraint "${constraintName}" foreign key("parentDocumentId") references "documents" ("id")
+        on delete no action`
+    );
+  },
+};
\ No newline at end of file