[Synapse] extract common definition for CloudError (Azure#18636)

* configuration

* optimize common definition

* update

* fix

* Update readme.python.md

Author: msyyc

specification/synapse/common/v1/types.json

@@ -6,6 +6,51 @@
   },
   "paths": {},
   "definitions": {
+    "CloudError": {
+      "x-ms-external": true,
+      "description": "The object that defines the structure of an Azure Synapse error response.",
+      "type": "object",
+      "properties": {
+        "error": {
+          "x-ms-client-flatten": true,
+          "description": "Error data",
+          "$ref": "#/definitions/CloudErrorBody"
+        }
+      },
+      "required": [
+        "error"
+      ]
+    },
+    "CloudErrorBody": {
+      "x-ms-external": true,
+      "description": "The object that defines the structure of an Azure Synapse error.",
+      "type": "object",
+      "properties": {
+        "code": {
+          "description": "Error code.",
+          "type": "string"
+        },
+        "message": {
+          "description": "Error message.",
+          "type": "string"
+        },
+        "target": {
+          "description": "Property name/path in request associated with error.",
+          "type": "string"
+        },
+        "details": {
+          "description": "Array with additional error details.",
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/CloudError"
+          }
+        }
+      },
+      "required": [
+        "code",
+        "message"
+      ]
+    },
     "ErrorContract": {
       "title": "Error details.",
       "description": "Contains details when the response code indicates an error.",