Refine BIGINT handling in Structure and Filter validators

- Updated validation logic to correctly determine bit size for VAR_BIGINT and VAR_INTEGER based on attribute size.
- Ensured consistent handling of signed and unsigned integers across both validators.

Author: ArnabChatterjee20k

src/Database/Validator/Query/Filter.php

@@ -153,9 +153,10 @@ protected function isValidAttributeAndValues(string $attribute, array $values, s
                     break;
 
                 case Database::VAR_INTEGER:
+                case Database::VAR_BIGINT:
                     $size = $attributeSchema['size'] ?? 4;
                     $signed = $attributeSchema['signed'] ?? true;
-                    $bits = $size >= 8 ? 64 : 32;
+                    $bits = ($attributeType === Database::VAR_BIGINT || $size >= 8) ? 64 : 32;
                     // For 64-bit unsigned, use signed since PHP doesn't support true 64-bit unsigned
                     $unsigned = !$signed && $bits < 64;
                     $validator = new Integer(false, $bits, $unsigned);

src/Database/Validator/Structure.php

@@ -352,13 +352,15 @@ protected function checkForInvalidAttributeValues(array $structure, array $keys)
                     break;
 
                 case Database::VAR_INTEGER:
+                case Database::VAR_BIGINT:
                     // Determine bit size based on attribute size in bytes
-                    $bits = $size >= 8 ? 64 : 32;
+                    // BIGINT is always 64-bit in SQL adapters; VAR_INTEGER uses size to decide.
+                    $bits = ($type === Database::VAR_BIGINT || $size >= 8) ? 64 : 32;
                     // For 64-bit unsigned, use signed since PHP doesn't support true 64-bit unsigned
                     // The Range validator will restrict to positive values only
                     $unsigned = !$signed && $bits < 64;
                     $validators[] = new Integer(false, $bits, $unsigned);
-                    $max = $size >= 8 ? Database::MAX_BIG_INT : Database::MAX_INT;
+                    $max = $bits === 64 ? Database::MAX_BIG_INT : Database::MAX_INT;
                     $min = $signed ? -$max : 0;
                     $validators[] = new Range($min, $max, Database::VAR_INTEGER);
                     break;