From eabd2235ba1ebc24c26109b11477f59292f367dd Mon Sep 17 00:00:00 2001
From: Julius Park <Juliusgeo@gmail.com>
Date: Tue, 26 Oct 2021 14:24:27 -0700
Subject: [PATCH] PYTHON-2859 Add BSON Binary subtype 7 (#763)

---
 bson/binary.py          | 6 ++++++
 doc/api/bson/binary.rst | 1 +
 2 files changed, 7 insertions(+)

diff --git a/bson/binary.py b/bson/binary.py
index dd12f56e2..50cfbd843 100644
--- a/bson/binary.py
+++ b/bson/binary.py
@@ -169,6 +169,12 @@ MD5_SUBTYPE = 5
 """BSON binary subtype for an MD5 hash.
 """
 
+COLUMN_SUBTYPE = 7
+"""BSON binary subtype for columns.
+
+.. versionadded:: 4.0
+"""
+
 USER_DEFINED_SUBTYPE = 128
 """BSON binary subtype for any user defined structure.
 """
diff --git a/doc/api/bson/binary.rst b/doc/api/bson/binary.rst
index a754d43d5..b9673d70d 100644
--- a/doc/api/bson/binary.rst
+++ b/doc/api/bson/binary.rst
@@ -14,6 +14,7 @@
    .. autodata:: JAVA_LEGACY
    .. autodata:: CSHARP_LEGACY
    .. autodata:: MD5_SUBTYPE
+   .. autodata:: COLUMN_SUBTYPE
    .. autodata:: USER_DEFINED_SUBTYPE
 
    .. autoclass:: UuidRepresentation