Use Longtext rather than varchar

CHANGELOG.md

@@ -6,6 +6,9 @@
 - Persist aggregation and disaggregation chart functions and show their secondary axis automatically.
 - Mark the Analysis menu when aggregation or disaggregation functions are active.
 
+### Changed
+- Store report option data as longtext instead of varchar(1000).
+
 ### Fixed
 - Match navigation and navigation-menu icon colors to their labels in light and dark themes.
 - Export panoramas using a consistent light theme in PDFs.

lib/Migration/Version6802Date20260903100000.php

@@ -0,0 +1,33 @@
+<?php
+/**
+ * Analytics
+ *
+ * SPDX-FileCopyrightText: 2026 Marcel Scherello
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+declare(strict_types=1);
+
+namespace OCA\Analytics\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version6802Date20260903100000 extends SimpleMigrationStep {
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$table = $schema->getTable('analytics_report');
+		foreach (['chartoptions', 'dataoptions', 'filteroptions', 'tableoptions'] as $column) {
+			$table->changeColumn($column, [
+				'type' => 'text',
+				'notnull' => false,
+			]);
+		}
+
+		return $schema;
+	}
+}