fix: add db indexes to optimize endpoint queries (#296)

* fix: add db indexes to optimize endpoint queries

* fix: index name

Author: rafaelcr

migrations/1744169665745_optimize-indexes.ts

@@ -0,0 +1,29 @@
+/* eslint-disable @typescript-eslint/naming-convention */
+import { MigrationBuilder, ColumnDefinitions } from 'node-pg-migrate';
+
+export const shorthands: ColumnDefinitions | undefined = undefined;
+
+export function up(pgm: MigrationBuilder): void {
+  pgm.createIndex('jobs', ['token_id']);
+  pgm.createIndex('jobs', ['smart_contract_id']);
+  pgm.createIndex('jobs', ['status'], { name: 'jobs_status_all_index' });
+  pgm.createIndex('jobs', ['status', { name: 'updated_at', sort: 'ASC' }], {
+    where: "status = 'queued'",
+  });
+
+  pgm.createIndex('tokens', ['type', 'name'], { where: "type = 'ft'" });
+  pgm.createIndex('tokens', ['type', 'symbol'], { where: "type = 'ft'" });
+  pgm.createIndex('tokens', ['type']);
+
+  pgm.createIndex(
+    'update_notifications',
+    [
+      'update_mode',
+      'token_id',
+      { name: 'block_height', sort: 'DESC' },
+      { name: 'tx_index', sort: 'DESC' },
+      { name: 'event_index', sort: 'DESC' },
+    ],
+    { where: "update_mode = 'dynamic'" }
+  );
+}

src/pg/pg-store.ts

@@ -374,10 +374,10 @@ export class PgStore extends BasePgStore {
       let orderBy: PgSqlQuery;
       switch (args.order?.order_by) {
         case FtOrderBy.symbol:
-          orderBy = sql`LOWER(t.symbol)`;
+          orderBy = sql`t.symbol`;
           break;
         default:
-          orderBy = sql`LOWER(t.name)`;
+          orderBy = sql`t.name`;
           break;
       }
       // `ORDER` statement