Fixed converting double to PHP type

framework/db/Schema.php

@@ -494,6 +494,7 @@ abstract class Schema extends Object
             'bigint' => 'integer',
             'boolean' => 'boolean',
             'float' => 'double',
+            'double' => 'double',
             'binary' => 'resource',
         ];
         if (isset($typeMap[$column->type])) {

tests/unit/framework/db/SchemaTest.php

@@ -180,7 +180,7 @@ class SchemaTest extends DatabaseTestCase
                 'defaultValue' => null,
             ],
             'float_col' => [
-                'type' => 'float',
+                'type' => 'double',
                 'dbType' => 'double(4,3)',
                 'phpType' => 'double',
                 'allowNull' => false,
@@ -192,7 +192,7 @@ class SchemaTest extends DatabaseTestCase
                 'defaultValue' => null,
             ],
             'float_col2' => [
-                'type' => 'float',
+                'type' => 'double',
                 'dbType' => 'double',
                 'phpType' => 'double',
                 'allowNull' => true,