Add fuse callbacks

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

.sqlx/query-1493410c6cf4f7a4cadadf5321f42ad265282d3072eded0b9caaa3dc81ab8b45.json

@@ -0,0 +1,26 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n                SELECT\n                    g.name,\n                    ARRAY(SELECT ug.user_name FROM glyph_users_groups ug WHERE ug.group_name = g.name) AS \"users!\"\n                FROM glyph_groups g\n            ",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "name",
+        "type_info": "Text"
+      },
+      {
+        "ordinal": 1,
+        "name": "users!",
+        "type_info": "TextArray"
+      }
+    ],
+    "parameters": {
+      "Left": []
+    },
+    "nullable": [
+      false,
+      null
+    ]
+  },
+  "hash": "1493410c6cf4f7a4cadadf5321f42ad265282d3072eded0b9caaa3dc81ab8b45"
+}