Add BLOB type

src/Migration.php

@@ -50,6 +50,7 @@ class Migration extends Expression
         'text'      => ['text'],
         'array'     => ['text'],
         'object'    => ['text'],
+        'blob'      => ['blob'],
     ];
 
     /** @var array use this array in extended classes to overwrite or extend values of default mapping */
@@ -66,6 +67,7 @@ class Migration extends Expression
         'datetime'  => ['datetime'],
         'timestamp' => ['datetime'],
         'text'      => ['text'],
+        'blob'      => ['blob'],
     ];
 
     /** @var array use this array in extended classes to overwrite or extend values of default mapping */

src/Migration/MySQL.php

@@ -20,13 +20,14 @@ class MySQL extends \atk4\schema\Migration
         'text'      => ['longtext'],
         'array'     => ['longtext'],
         'object'    => ['longtext'],
+        'blob'      => ['longblob'],
     ];
 
     /** @var array use this array in extended classes to overwrite or extend values of default mapping */
     public $mapToAgile = [
         0           => ['string'],
         'longtext'  => ['text'],
-        'longblob'  => ['text'],
+        'longblob'  => ['blob'],
     ];
 
     /**