docs(pool): mention running an empty query on check in news file

diff --git a/docs/news_pool.rst b/docs/news_pool.rst
index 99269b5c8541f15500d30f2ea5aaa27fc94027e4..f76f1430f1d837c2a21f62e0ba9c2a6fe64a1416 100644 (file)
--- a/docs/news_pool.rst
+++ b/docs/news_pool.rst
@@ -16,6 +16,8 @@ psycopg_pool 3.2.2 (unreleased)
 - Raise a `RuntimeWarning` instead of a `DeprecationWarning` if an async pool
   is open in the constructor.
 - Fix connections possibly left in the pool after closing (:ticket:`#784`).
+- Use an empty query instead of ``SELECT 1`` to check connections
+  (:ticket:`#790`).
 
 
 Current release