Catch not found exception when checking database exists

src/Database/Adapter/MariaDB.php

@@ -2379,6 +2379,20 @@ public function setTimeout(int $milliseconds, string $event = Database::EVENT_AL
         });
     }
 
+    /**
+     * @return string
+     */
+    public function getConnectionId(): string
+    {
+        $stmt = $this->getPDO()->query("SELECT CONNECTION_ID();");
+        return $stmt->fetchColumn();
+    }
+
+    public function getInternalIndexesKeys(): array
+    {
+        return ['primary', '_created_at', '_updated_at', '_tenant_id'];
+    }
+
     protected function processException(PDOException $e): \Exception
     {
         // Timeout
@@ -2412,22 +2426,11 @@ protected function processException(PDOException $e): \Exception
             return new TruncateException('Resize would result in data truncation', $e->getCode(), $e);
         }
 
-
+        // Unknown database
+        if ($e->getCode() === '42000' && isset($e->errorInfo[1]) && $e->errorInfo[1] === 1049) {
+            return new NotFoundException($e->getMessage(), $e->getCode(), $e);
+        }
 
         return $e;
     }
-
-    /**
-     * @return string
-     */
-    public function getConnectionId(): string
-    {
-        $stmt = $this->getPDO()->query("SELECT CONNECTION_ID();");
-        return $stmt->fetchColumn();
-    }
-
-    public function getInternalIndexesKeys(): array
-    {
-        return ['primary', '_created_at', '_updated_at', '_tenant_id'];
-    }
 }

src/Database/Adapter/SQL.php

@@ -9,6 +9,7 @@
 use Utopia\Database\Database;
 use Utopia\Database\Document;
 use Utopia\Database\Exception as DatabaseException;
+use Utopia\Database\Exception\NotFound as NotFoundException;
 use Utopia\Database\Exception\Transaction as TransactionException;
 use Utopia\Database\Query;
 
@@ -163,10 +164,19 @@ public function exists(string $database, ?string $collection = null): bool
             $stmt->bindValue(':schema', $database, PDO::PARAM_STR);
         }
 
-        $stmt->execute();
+        try {
+            $stmt->execute();
+            $document = $stmt->fetchAll();
+            $stmt->closeCursor();
+        } catch (PDOException $e) {
+            $e = $this->processException($e);
 
-        $document = $stmt->fetchAll();
-        $stmt->closeCursor();
+            if ($e instanceof NotFoundException) {
+                return false;
+            }
+
+            throw $e;
+        }
 
         if (empty($document)) {
             return false;
@@ -1136,4 +1146,9 @@ public function getInternalIndexesKeys(): array
     {
         return [];
     }
+
+    protected function processException(PDOException $e): \Exception
+    {
+        return $e;
+    }
 }