* Replace tsvector generated column with triggers.

* reason: due to typeorm generated column metadata bug

apps/server/src/database/migrations/1706450034471-AddTsvectorTrigger.ts

@@ -0,0 +1,28 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+export class AddTsvectorTrigger1706450034471 implements MigrationInterface {
+  name = 'AddTsvectorTrigger1706450034471';
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(`
+        CREATE FUNCTION pages_tsvector_trigger() RETURNS trigger AS $$
+        begin
+            new.tsv :=
+                      setweight(to_tsvector('english', coalesce(new.title, '')), 'A') ||
+                      setweight(to_tsvector('english', coalesce(new.\"textContent\", '')), 'B');
+            return new;
+        end;
+        $$ LANGUAGE plpgsql;
+        `);
+
+    await queryRunner.query(`
+            CREATE TRIGGER pages_tsvector_update BEFORE INSERT OR UPDATE
+                ON pages FOR EACH ROW EXECUTE FUNCTION pages_tsvector_trigger();
+        `);
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(`DROP TRIGGER pages_tsvector_update ON Pages`);
+    await queryRunner.query(`DROP FUNCTION pages_tsvector_trigger`);
+  }
+}