Revert "Fix describe miss some params (#1742)" (#1755)

This reverts commit f52eefa.

Signed-off-by: yangxuan <[email protected]>

pymilvus/client/abstract.py

@@ -72,19 +72,25 @@ def __pack(self, raw: Any):
         self.indexes.extend([index_dict])
 
     def dict(self):
-        return {
+        _dict = {
             "field_id": self.field_id,
             "name": self.name,
             "description": self.description,
             "type": self.type,
             "params": self.params or {},
             "element_type": self.element_type,
-            "is_primary": self.is_primary,
-            "auto_id": self.auto_id,
-            "is_partition_key": self.is_partition_key,
-            "is_dynamic": self.is_dynamic,
         }
 
+        if self.is_partition_key:
+            _dict["is_partition_key"] = True
+        if self.is_dynamic:
+            _dict["is_dynamic"] = True
+        if self.auto_id:
+            _dict["auto_id"] = True
+        if self.is_primary:
+            _dict["is_primary"] = self.is_primary
+        return _dict
+
 
 class CollectionSchema:
     def __init__(self, raw: Any):
@@ -162,8 +168,9 @@ def dict(self):
             "consistency_level": self.consistency_level,
             "properties": self.properties,
             "num_partitions": self.num_partitions,
-            "enable_dynamic_field": self.enable_dynamic_field,
         }
+        if self.enable_dynamic_field:
+            _dict["enable_dynamic_field"] = self.enable_dynamic_field
         self._rewrite_schema_dict(_dict)
         return _dict