Add table exists check for DCX Integration module 8.x-2.0-beta2

dcx_integration-add_table_exists_check_entity_delete.patch

diff --git a/modules/dcx_migration/dcx_migration.module b/modules/dcx_migration/dcx_migration.module
index c39fb56..d97048a 100644
--- a/modules/dcx_migration/dcx_migration.module
+++ b/modules/dcx_migration/dcx_migration.module
@@ -4,18 +4,19 @@
  * @file
  */
 
-/**
- * Implements hook_ENTITY_TYPE_delete().
- */use Drupal\Core\Database\Database;
+use Drupal\Core\Database\Database;
 use Drupal\Core\Entity\EntityInterface;
 
 /**
- *
+ * Implements hook_ENTITY_TYPE_delete().
  */
 function dcx_migration_media_delete(EntityInterface $entity) {
-  // Remove the migrate map entry for this entity to allow remigration.
-  $db = Database::getConnection('default');
-  $query = $db->delete('migrate_map_dcx_migration')
-    ->condition('destid1', $entity->id())
-    ->execute();
+	// Remove the migrate map entry for this entity to allow remigration if the
+	// table exists.
+	if (Database::getConnection()->schema()->tableExists('migrate_map_dcx_migration')) {
+		$db = Database::getConnection('default');
+		$db->delete('migrate_map_dcx_migration')
+			->condition('destid1', $entity->id())
+			->execute();
+	}
 }