DBAL: compare text length

application/Espo/Core/Utils/Database/DBAL/Schema/Comparator.php

@@ -28,12 +28,11 @@
  ************************************************************************/
 
 namespace Espo\Core\Utils\Database\DBAL\Schema;
-use Doctrine\DBAL\Schema\Column;
 
+use Doctrine\DBAL\Schema\Column;
 
 class Comparator extends \Doctrine\DBAL\Schema\Comparator
 {
-
     public function diffColumn(Column $column1, Column $column2)
     {
         $changedProperties = array();
@@ -80,6 +79,15 @@ class Comparator extends \Doctrine\DBAL\Schema\Comparator
             }
         }
 
+        if ($column1->getType() instanceof \Doctrine\DBAL\Types\TextType) {
+            $length1 = $column1->getLength() ?: 16777215/* mediumtext length*/;
+            $length2 = $column2->getLength() ?: 16777215;
+
+            if ($length2 > $length1) {
+                $changedProperties[] = 'length';
+            }
+        }
+
         if ($column1->getType() instanceof \Doctrine\DBAL\Types\DecimalType) {
             if (($column1->getPrecision()?:10) != ($column2->getPrecision()?:10)) {
                 $changedProperties[] = 'precision';

application/Espo/Core/Utils/Database/Schema/tables/preferences.php

@@ -47,7 +47,7 @@ return [
             ],
             'data' => [
                 'type' => 'text',
-                'dbType' => 'longtext',
+                'len' => 16777216,
             ]
         ]
     ],