VER: Release 0.19.1

See release notes.

Author: nmacholl

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## 0.19.1 - 2023-09-08
+
+#### Bug fixes
+- Fixed an issue where the index column was not serialized with `DBNStore.to_json`
+- Fixed an issue where timestamps serialized by `DBNStore.to_json` had reduced precision
+
 ## 0.19.0 - 2023-08-25
 
 This release includes improvements to handling large DBN data and adds support for future datasets.

databento/common/dbnstore.py

@@ -1046,9 +1046,11 @@ def to_json(
 
         with open(path, "x") as json_path:
             for frame in df_iter:
+                frame.reset_index(inplace=True)
                 frame.to_json(
                     json_path,
                     orient="records",
+                    date_unit="ns",
                     lines=True,
                 )