From 94c9b003bdea58a5ea1f74a9db297b640f443784 Mon Sep 17 00:00:00 2001
From: Yuhao Su <yuhaosu@outlook.com>
Date: Wed, 19 Feb 2025 03:04:01 -0600
Subject: [PATCH] recurrent data type

---
 src/connector/codec/src/decoder/json/mod.rs   |  3 +-
 .../codec/tests/integration_tests/json.rs     | 83 ++++++++++++++-----
 .../codec/tests/test_data/id_type.json        | 11 +++
 3 files changed, 77 insertions(+), 20 deletions(-)

diff --git a/src/connector/codec/src/decoder/json/mod.rs b/src/connector/codec/src/decoder/json/mod.rs
index 08bac83c9a855..8b4fe4cf4f468 100644
--- a/src/connector/codec/src/decoder/json/mod.rs
+++ b/src/connector/codec/src/decoder/json/mod.rs
@@ -173,7 +173,8 @@ impl JsonRef {
             }
             let mut new_used_refs = used_refs.clone();
             new_used_refs.push(ref_url_string);
-
+            Box::pin(self.deref(&mut schema, &ref_url_no_fragment, &new_used_refs)).await?;
+            
             *value = schema;
         }
 
diff --git a/src/connector/codec/tests/integration_tests/json.rs b/src/connector/codec/tests/integration_tests/json.rs
index 2161045cae6f1..32abd1fd640f2 100644
--- a/src/connector/codec/tests/integration_tests/json.rs
+++ b/src/connector/codec/tests/integration_tests/json.rs
@@ -50,6 +50,17 @@ async fn test_json_schema_parse() {
                   "type": "string"
                 }}
               }}
+            }},
+            "recurrentType": {{
+              "type": "object",
+              "properties": {{
+                "id": {{
+                  "$ref": "file://{test_id_type_file_path}#/definitions/idType"
+                }},
+                "next": {{
+                  "$ref": "file://{test_id_type_file_path}#/definitions/recurrentType"
+                }}
+              }}
             }}
           }},
           "properties": {{
@@ -73,6 +84,9 @@ async fn test_json_schema_parse() {
                   "$ref": "#/definitions/marketArray"
                 }}
               }}
+            }},
+            "recurrent": {{
+              "$ref": "#/definitions/recurrentType"
             }}
           }},
           "required": [
@@ -108,18 +122,33 @@ async fn test_json_schema_parse() {
             },
             "marketObj": {
               "additionalProperties": {
-                "__reference__": {},
                 "type": "string"
               },
               "type": "object"
             },
+            "recurrentType": {
+              "properties": {
+                "id": {
+                  "type": "string"
+                },
+                "next": {
+                  "properties": {
+                    "id": {
+                      "type": "string"
+                    },
+                    "next": {}
+                  },
+                  "type": "object"
+                }
+              },
+              "type": "object"
+            },
             "stringType": {
               "type": "string"
             }
           },
           "properties": {
             "cats": {
-              "__reference__": {},
               "additionalProperties": {
                 "items": {
                   "type": "string"
@@ -129,21 +158,17 @@ async fn test_json_schema_parse() {
               "type": "object"
             },
             "id": {
-              "__reference__": {},
               "type": "string"
             },
             "meta": {
               "properties": {
                 "active": {
-                  "__reference__": {},
                   "additionalProperties": {
-                    "__reference__": {},
                     "type": "string"
                   },
                   "type": "object"
                 },
                 "tags": {
-                  "__reference__": {},
                   "additionalProperties": {
                     "items": {
                       "type": "string"
@@ -156,14 +181,27 @@ async fn test_json_schema_parse() {
               "type": "object"
             },
             "name": {
-              "__reference__": {
-                "description": "Name of the market subject"
-              },
               "additionalProperties": {
-                "__reference__": {},
                 "type": "string"
               },
               "type": "object"
+            },
+            "recurrent": {
+              "properties": {
+                "id": {
+                  "type": "string"
+                },
+                "next": {
+                  "properties": {
+                    "id": {
+                      "type": "string"
+                    },
+                    "next": {}
+                  },
+                  "type": "object"
+                }
+              },
+              "type": "object"
             }
           },
           "required": [
@@ -175,15 +213,22 @@ async fn test_json_schema_parse() {
     .assert_eq(&serde_json::to_string_pretty(&json_schema.0).unwrap());
 
     expect![[r#"
-            [
-                cats(#1): Jsonb,
-                id(#2): Varchar,
-                meta(#3): Struct {
-                    active: Jsonb,
-                    tags: Jsonb,
+        [
+            cats(#1): Jsonb,
+            id(#2): Varchar,
+            meta(#3): Struct {
+                active: Jsonb,
+                tags: Jsonb,
+            },
+            name(#4): Jsonb,
+            recurrent(#5): Struct {
+                id: Varchar,
+                next: Struct {
+                    id: Varchar,
+                    next: Varchar,
                 },
-                name(#4): Jsonb,
-            ]
-        "#]]
+            },
+        ]
+    "#]]
     .assert_debug_eq(&column_display);
 }
diff --git a/src/connector/codec/tests/test_data/id_type.json b/src/connector/codec/tests/test_data/id_type.json
index 443e0be28a8d1..758e5469f13e0 100644
--- a/src/connector/codec/tests/test_data/id_type.json
+++ b/src/connector/codec/tests/test_data/id_type.json
@@ -2,6 +2,17 @@
     "definitions": {
         "idType": {
             "type": "string"
+        },
+        "recurrentType": {
+            "type": "object",
+            "properties": {
+                "id": {
+                    "$ref": "#/definitions/idType"
+                },
+                "next": {
+                    "$ref": "#/definitions/recurrentType"
+                }
+            }
         }
     }
 }
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