fix: Ensure tsvector content is below 1Mb limitation

closes #4714

server/migrations/20230204191035-update-tsvector-trigger.js

@@ -0,0 +1,32 @@
+"use strict";
+
+module.exports = {
+  up: async (queryInterface) => {
+    const searchDocument = `
+    CREATE OR REPLACE FUNCTION documents_search_trigger() RETURNS trigger AS $$
+    begin
+      new."searchVector" :=
+        setweight(to_tsvector('english', coalesce(new.title, '')),'A') ||
+        setweight(to_tsvector('english', coalesce(array_to_string(new."previousTitles", ' , '),'')),'C') ||
+        setweight(to_tsvector('english', substring(coalesce(new.text, ''), 1, 1000000)), 'B');
+      return new;
+    end
+    $$ LANGUAGE plpgsql;
+        `;
+    await queryInterface.sequelize.query(searchDocument);
+  },
+  down: async (queryInterface) => {
+    const searchDocument = `
+    CREATE OR REPLACE FUNCTION documents_search_trigger() RETURNS trigger AS $$
+    begin
+      new."searchVector" :=
+        setweight(to_tsvector('english', coalesce(new.title, '')),'A') ||
+        setweight(to_tsvector('english', coalesce(array_to_string(new."previousTitles", ' , '),'')),'C') ||
+        setweight(to_tsvector('english', coalesce(new.text, '')), 'B');
+      return new;
+    end
+    $$ LANGUAGE plpgsql;
+        `;
+    await queryInterface.sequelize.query(searchDocument);
+  },
+};