From 494855e5481a0c29023fe5b1aa74a326f147aac1 Mon Sep 17 00:00:00 2001
From: fogelito <fogelshmuel@gmail.com>
Date: Wed, 5 Aug 2026 12:36:32 +0300
Subject: [PATCH 1/2] Use union all

---
 src/Database/Adapter/MariaDB.php | 42 ++++++++++++++++----------------
 1 file changed, 21 insertions(+), 21 deletions(-)

diff --git a/src/Database/Adapter/MariaDB.php b/src/Database/Adapter/MariaDB.php
index 3b275b0650..13ca8d9161 100644
--- a/src/Database/Adapter/MariaDB.php
+++ b/src/Database/Adapter/MariaDB.php
@@ -283,34 +283,34 @@ public function getSizeOfCollection(string $collection): int
         $database = $this->getDatabase();
         $permissions = $collection . '_perms';
 
-        $collectionSize = $this->getPDO()->prepare("
-            SELECT SUM(data_length + index_length)  
-            FROM INFORMATION_SCHEMA.TABLES
-            WHERE table_name = :name AND
-            table_schema = :database
-         ");
-
-        $permissionsSize = $this->getPDO()->prepare("
-            SELECT SUM(data_length + index_length)  
-            FROM INFORMATION_SCHEMA.TABLES
-            WHERE table_name = :permissions AND
-            table_schema = :database
+        // Both tables in one round trip. Keep the equality predicates: LIKE and IN are
+        // not indexed here, they scan every table in the schema.
+        $statement = $this->getPDO()->prepare("
+            SELECT SUM(size) FROM (
+                SELECT data_length + index_length AS size
+                FROM INFORMATION_SCHEMA.TABLES
+                WHERE table_name = :name AND
+                table_schema = :database
+                UNION ALL
+                SELECT data_length + index_length AS size
+                FROM INFORMATION_SCHEMA.TABLES
+                WHERE table_name = :permissions AND
+                table_schema = :database
+            ) AS sizes
         ");
 
-        $collectionSize->bindParam(':name', $collection);
-        $collectionSize->bindParam(':database', $database);
-        $permissionsSize->bindParam(':permissions', $permissions);
-        $permissionsSize->bindParam(':database', $database);
+        $statement->bindParam(':name', $collection);
+        $statement->bindParam(':permissions', $permissions);
+        $statement->bindParam(':database', $database);
 
         try {
-            $collectionSize->execute();
-            $permissionsSize->execute();
-            $size = $collectionSize->fetchColumn() + $permissionsSize->fetchColumn();
+            $statement->execute();
+            $size = $statement->fetchColumn();
         } catch (PDOException $e) {
-            throw new DatabaseException('Failed to get collection size: ' . $e->getMessage());
+                    throw new DatabaseException('Failed to get collection size: ' . $e->getMessage());
         }
 
-        return $size;
+        return (int) $size;
     }
 
     /**

From e9d3b1497a76730891fe1649f0dab5c4605d795e Mon Sep 17 00:00:00 2001
From: fogelito <fogelshmuel@gmail.com>
Date: Wed, 5 Aug 2026 12:38:28 +0300
Subject: [PATCH 2/2] throw

---
 src/Database/Adapter/MariaDB.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Database/Adapter/MariaDB.php b/src/Database/Adapter/MariaDB.php
index 13ca8d9161..d5fca182a7 100644
--- a/src/Database/Adapter/MariaDB.php
+++ b/src/Database/Adapter/MariaDB.php
@@ -307,7 +307,7 @@ public function getSizeOfCollection(string $collection): int
             $statement->execute();
             $size = $statement->fetchColumn();
         } catch (PDOException $e) {
-                    throw new DatabaseException('Failed to get collection size: ' . $e->getMessage());
+            throw new DatabaseException('Failed to get collection size: ' . $e->getMessage());
         }
 
         return (int) $size;