Add better index for element texts

Bump version to 3.2-dev to prompt upgrades

application/migrations/20240709181800_addElementTextIndex.php

@@ -0,0 +1,20 @@
+<?php
+/**
+ * Omeka
+ *
+ * @copyright Copyright 2007-2020 Roy Rosenzweig Center for History and New Media
+ * @license http://www.gnu.org/licenses/gpl-3.0.txt GNU GPLv3
+ */
+
+/**
+ * Add better index for sorting/filtering element texts by specific element
+ *
+ * @package Omeka\Db\Migration
+ */
+class addElementTextIndex extends Omeka_Db_Migration_AbstractMigration
+{
+    public function up()
+    {
+        $this->db->query("ALTER TABLE {$this->db->ElementText} ADD INDEX `record_element_text` (`record_type`, `record_id`, `element_id`, `text`(20))");
+    }
+}

application/schema/element_texts.sql

@@ -8,5 +8,6 @@ CREATE TABLE IF NOT EXISTS `%PREFIX%element_texts` (
   PRIMARY KEY  (`id`),
   KEY `record_type_record_id` (`record_type`, `record_id`),
   KEY `element_id` (`element_id`),
-  KEY `text` (`text`(20))
+  KEY `text` (`text`(20)),
+  KEY `record_element_text` (`record_type`, `record_id`, `element_id`, `text`(20));
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;

bootstrap.php

@@ -8,7 +8,7 @@
  */
 
 // Define the current version of Omeka.
-define('OMEKA_VERSION', '3.1.2');
+define('OMEKA_VERSION', '3.2-dev');
 
 // Define the application environment.
 if (!defined('APPLICATION_ENV')) {