removed bytesize calculation

Author: Jibola

django_mongodb_backend/compiler.py

@@ -1,7 +1,7 @@
 import itertools
 from collections import defaultdict
 
-from bson import SON, encode, json_util
+from bson import SON, json_util
 from django.core.exceptions import EmptyResultSet, FieldError, FullResultSet
 from django.db import IntegrityError, NotSupportedError
 from django.db.models import Count
@@ -326,21 +326,10 @@ def cursor_iter(self, cursor, _, columns):
         Read more here: https://www.mongodb.com/docs/manual/core/cursors/#cursor-batches
         """
         chunk = []
-        chunk_size = 101  # MongoDB's default initial batch size
 
-        for i, row in enumerate(cursor):
+        for row in cursor:
             chunk.append(self._make_result(row, columns))
-
-            if len(chunk) == chunk_size:
-                if i == chunk_size - 1:  # First chunk complete
-                    # Using current row as representation, approximate
-                    # how many rows can fit in a 16MB payload
-                    # (MongoDB batch_size max), then set that as the new size.
-                    approx_chunk_size = MAX_BATCH_SIZE_MB // len(encode(row))
-                    chunk_size = max(chunk_size, approx_chunk_size)
-                yield chunk
-                chunk = []
-        yield chunk
+        return chunk
 
     def check_query(self):
         """Check if the current query is supported by the database."""