Add logging for fulltext index errors

Author: janette

modules/datastore/src/DataDictionary/AlterTableQuery/MySQLQuery.php

@@ -538,10 +538,15 @@ protected function buildAddIndexOptions(array $indexes, string $table, array $ty
    *   Description of the index.
    */
   protected function executeFulltextAlter(string $table, string $name, string $formatted_field_options, string $comment): void {
-    // Innodb only allows adding one fulltext index at a time.
-    $command = $this->connection->prepareStatement("ALTER TABLE {{$table}} ADD FULLTEXT INDEX {$name} ({$formatted_field_options}) COMMENT '{$comment}';", []);
-    // Execute alter command.
-    $command->execute();
+    try {
+      // Innodb only allows adding one fulltext index at a time.
+      $command = $this->connection->prepareStatement("ALTER TABLE {{$table}} ADD FULLTEXT INDEX {$name} ({$formatted_field_options}) COMMENT '{$comment}';", []);
+      // Execute alter command.
+      $command->execute();
+    }
+    catch (\Exception) {
+      \Drupal::logger('Data Dictionary')->error("Error applying fulltext index to dataset {$comment}");
+    }
   }
 
   /**