Support offset in search param

pymilvus/client/prepare.py

@@ -596,14 +596,24 @@ def search_requests_with_expr(
         params = param.get("params", {})
         if not isinstance(params, dict):
             raise ParamError(message=f"Search params must be a dict, got {type(params)}")
+
         search_params = {
             "topk": limit,
             "params": params,
             "round_decimal": round_decimal,
-            "offset": param.get("offset", 0),
             "ignore_growing": ignore_growing,
         }
 
+        # parse offset
+        if "offset" in kwargs and "offset" in param:
+            raise ParamError(message="Provide offset both in kwargs and param, expect just one")
+
+        offset = kwargs.get("offset") or param.get("offset")
+        if offset is not None:
+            if not isinstance(offset, int):
+                raise ParamError(message=f"wrong type for offset, expect int, got {type(offset)}")
+            search_params["offset"] = offset
+
         if param.get("metric_type", None) is not None:
             search_params["metric_type"] = param["metric_type"]
 

pymilvus/orm/collection.py

@@ -589,8 +589,6 @@ def search(
                     similar metricy types, the value must be of type str.
                 * *offset* (``int``, optional)
                     offset for pagination.
-                * *limit* (``int``, optional)
-                    limit for the search results and pagination.
                 * *params of index: *nprobe*, *ef*, *search_k*, etc
                     Corresponding search params for a certain index.
                 example for param::
@@ -602,7 +600,7 @@ def search(
                     }
 
             limit (``int``): The max number of returned record, also known as `topk`.
-            expr (``str``): The boolean expression used to filter attribute. Default to None.
+            expr (``str``, Optional): The boolean expression used to filter attribute.
 
                 example for expr::
 
@@ -627,6 +625,9 @@ def search(
                     The callback function which is invoked after server response successfully.
                     It functions only if _async is set to True.
 
+                * *offset* (``int``, optinal)
+                    offset for pagination.
+
                 * *consistency_level* (``str/int``, optional)
                     Which consistency level to use when searching in the collection.