Add user-defined statistics example

kou · Dec 11, 2024 · 929b82b · 929b82b
1 parent 84c80f0
commit 929b82b
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diff --git a/docs/source/format/CDataInterfaceStatistics.rst b/docs/source/format/CDataInterfaceStatistics.rst
@@ -163,6 +163,8 @@ The colon symbol ``:`` is to be used as a namespace separator like
 
 The ``ARROW`` pattern is a reserved namespace for pre-defined
 statistics keys. User-defined statistics must not use it.
+For example, you can use your product name as namespace
+such as `MY_PRODUCT:my_statistics:exact`.
 
 Here are pre-defined statistics keys: