From e341105ef2deb8b92d5bcd6e5688cb9c9449a4d9 Mon Sep 17 00:00:00 2001
From: Hagen Wierstorf <hwierstorf@audeering.com>
Date: Tue, 25 Jun 2024 13:39:30 +0200
Subject: [PATCH] DOC: Table.save() store hash for parquet files

---
 audformat/core/table.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/audformat/core/table.py b/audformat/core/table.py
index 30924953..f79aa3df 100644
--- a/audformat/core/table.py
+++ b/audformat/core/table.py
@@ -586,6 +586,16 @@ def save(
 
         Existing files will be overwritten.
 
+        When using ``"parquet"`` as ``storage_format``
+        a hash,
+        based on the content of the table,
+        is stored under the key ``b"hash"``
+        in the metadata of the schema of the parquet file.
+        This provides a deterministic hash,
+        as md5 sums of parquet files
+        can be different
+        for the same content.
+
         Args:
             path: file path without extension
             storage_format: storage format of table.