Add dimensionhash migration to postgres

Neos.Neos/Migrations/Postgresql/Version20230727164600.php

@@ -0,0 +1,57 @@
+<?php
+declare(strict_types=1);
+
+namespace Neos\Flow\Persistence\Doctrine\Migrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+use Neos\ContentRepository\Utility;
+
+final class Version20230727164600 extends AbstractMigration
+{
+    public function getDescription() : string
+    {
+        return 'add dimensions hash to node event model';
+    }
+
+    /**
+     * @param Schema $schema
+     * @throws \Doctrine\DBAL\Exception
+     */
+    public function up(Schema $schema) : void
+    {
+        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'postgresql', 'Migration can only be executed safely on \'postgresql\'.');
+
+        $this->addSql('ALTER TABLE neos_neos_eventlog_domain_model_event ADD dimensionshash VARCHAR(32) DEFAULT NULL');
+        $this->addSql('CREATE INDEX dimensionshash ON neos_neos_eventlog_domain_model_event (dimensionshash)');
+    }
+
+    /**
+     * @param Schema $schema
+     * @throws \Doctrine\DBAL\Exception
+     */
+    public function down(Schema $schema) : void
+    {
+        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'postgresql', 'Migration can only be executed safely on \'postgresql\'.');
+
+        $this->addSql('DROP INDEX dimensionshash ON neos_neos_eventlog_domain_model_event');
+        $this->addSql('ALTER TABLE neos_neos_eventlog_domain_model_event DROP dimensionshash');
+    }
+
+    /**
+     * @param Schema $schema
+     * @throws \Doctrine\DBAL\Driver\Exception
+     * @throws \Doctrine\DBAL\Exception
+     */
+    public function postUp(Schema $schema): void
+    {
+        $eventLogResult = $this->connection->executeQuery('SELECT dimension FROM neos_neos_eventlog_domain_model_event where dimensionshash IS NULL AND dimension IS NOT NULL LIMIT 1');
+
+        while ($eventLogInfo = $eventLogResult->fetchAssociative()) {
+            $dimensionsArray = unserialize($eventLogInfo['dimension'], ['allowed_classes' => false]);
+            $dimensionsHash = Utility::sortDimensionValueArrayAndReturnDimensionsHash($dimensionsArray);
+            $this->connection->executeStatement('UPDATE neos_neos_eventlog_domain_model_event SET dimensionshash = ? WHERE dimension = ?', [$dimensionsHash, $eventLogInfo['dimension']]);
+            $eventLogResult = $this->connection->executeQuery('SELECT dimension FROM neos_neos_eventlog_domain_model_event where dimensionshash IS NULL AND dimension IS NOT NULL LIMIT 1');
+        }
+    }
+}