Enhance BIGINT size limit validation in Database class

- Added handling for VAR_BIGINT in the size limit validation logic.
- Implemented exception throwing for oversized BIGINT attributes to ensure proper error handling.

Author: ArnabChatterjee20k

src/Database/Database.php

@@ -2584,6 +2584,7 @@ protected function validateDefaultTypes(string $type, mixed $default): void
                 }
                 break;
             case self::VAR_INTEGER:
+            case self::VAR_BIGINT:
             case self::VAR_FLOAT:
             case self::VAR_BOOLEAN:
                 if ($type !== $defaultType) {
@@ -2912,6 +2913,12 @@ public function updateAttribute(string $collection, string $id, ?string $type =
                     throw new DatabaseException('Max size allowed for int is: ' . number_format($limit));
                 }
                 break;
+            case self::VAR_BIGINT:
+                $limit = ($signed) ? $this->adapter->getLimitForBigInt() / 2 : $this->adapter->getLimitForBigInt();
+                if ($size > $limit) {
+                    throw new DatabaseException('Max size allowed for bigint is: ' . number_format($limit));
+                }
+                break;
             case self::VAR_FLOAT:
             case self::VAR_BOOLEAN:
             case self::VAR_DATETIME: