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-rw-r--r--www/c3ref/update_hook.html6
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diff --git a/www/c3ref/update_hook.html b/www/c3ref/update_hook.html
index 88b8e81..3df764a 100644
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+++ b/www/c3ref/update_hook.html
@@ -158,6 +158,12 @@ invoked when rows are deleted using the <a href="../lang_delete.html#truncateopt
The exceptions defined in this paragraph might change in a future
release of SQLite.</p>
+<p>Whether the update hook is invoked before or after the
+corresponding change is currently unspecified and may differ
+depending on the type of change. Do not rely on the order of the
+hook call with regards to the final result of the operation which
+triggers the hook.</p>
+
<p>The update hook implementation must not do anything that will modify
the database connection that invoked the update hook. Any actions
to modify the database connection must be deferred until after the