1 files changed, 85 insertions, 0 deletions
diff --git a/src/commands/zdiff.json b/src/commands/zdiff.json
new file mode 100644
index 0000000..912d5c6
--- /dev/null
+++ b/src/commands/zdiff.json
@@ -0,0 +1,85 @@
+{
+    "ZDIFF": {
+        "summary": "Returns the difference between multiple sorted sets.",
+        "complexity": "O(L + (N-K)log(N)) worst case where L is the total number of elements in all the sets, N is the size of the first set, and K is the size of the result set.",
+        "group": "sorted_set",
+        "since": "6.2.0",
+        "arity": -3,
+        "function": "zdiffCommand",
+        "get_keys_function": "zunionInterDiffGetKeys",
+        "command_flags": [
+            "READONLY"
+        ],
+        "acl_categories": [
+            "SORTEDSET"
+        ],
+        "key_specs": [
+            {
+                "flags": [
+                    "RO",
+                    "ACCESS"
+                ],
+                "begin_search": {
+                    "index": {
+                        "pos": 1
+                    }
+                },
+                "find_keys": {
+                    "keynum": {
+                        "keynumidx": 0,
+                        "firstkey": 1,
+                        "step": 1
+                    }
+                }
+            }
+        ],
+        "reply_schema": {
+            "anyOf": [
+                {
+                    "description": "A list of members. Returned in case `WITHSCORES` was not used.",
+                    "type": "array",
+                    "items": {
+                        "type": "string"
+                    }
+                },
+                {
+                    "description": "Members and their scores. Returned in case `WITHSCORES` was used. In RESP2 this is returned as a flat array",
+                    "type": "array",
+                    "items": {
+                        "type": "array",
+                        "minItems": 2,
+                        "maxItems": 2,
+                        "items": [
+                            {
+                                "description": "Member",
+                                "type": "string"
+                            },
+                            {
+                                "description": "Score",
+                                "type": "number"
+                            }
+                        ]
+                    }
+                }
+            ]
+        },
+        "arguments": [
+            {
+                "name": "numkeys",
+                "type": "integer"
+            },
+            {
+                "name": "key",
+                "type": "key",
+                "key_spec_index": 0,
+                "multiple": true
+            },
+            {
+                "name": "withscores",
+                "token": "WITHSCORES",
+                "type": "pure-token",
+                "optional": true
+            }
+        ]
+    }
+}