Merge pull request #898 from cakephp/jsonb-shim

Add jsonb type shim for postgres adapter

Author: dereuromark

src/Db/Adapter/PostgresAdapter.php

@@ -220,6 +220,10 @@ protected function mapColumnData(array $data): array
         ) {
             $data['type'] = 'timestamptimezone';
         }
+        // CakePHP only has a json type (which uses the JSONB storage type)
+        if ($data['type'] === self::PHINX_TYPE_JSONB) {
+            $data['type'] = 'json';
+        }
 
         return $data;
     }

tests/TestCase/Db/Adapter/PostgresAdapterTest.php

@@ -653,6 +653,19 @@ public function testAddColumnWithAutoIdentity()
         }
     }
 
+    /**
+     * Test that shims from PHINX_TYPE_JSONB to 'json' type work.
+     */
+    public function testAddColumnJsonbCompat()
+    {
+        $table = new Table('table1', [], $this->adapter);
+        $table->save();
+        $this->assertFalse($table->hasColumn('config'));
+        $table->addColumn('config', 'jsonb')
+              ->save();
+        $this->assertTrue($table->hasColumn('config'));
+    }
+
     public static function providerAddColumnIdentity(): array
     {
         return [