doc: Expand server_reset_query a bit.

diff --git a/doc/config.txt b/doc/config.txt
index 87ccb1b6d8fe10716e69ed0c9da75600afb23303..f7d48841557a1f3f6e9499ec5fe933507a793906 100644 (file)
--- a/doc/config.txt
+++ b/doc/config.txt
@@ -289,7 +289,9 @@ for 8.3 and above its enough to do:
   server_reset_query = DISCARD ALL;
 
 When transaction pooling is used, the `server_reset_query` should be empty,
-as clients should not use any session features.
+as clients should not use any session features.  If client does use session
+features, then they will be broken as transaction pooling will not guaratee
+that next query will be run on same connection.
 
 Default: DISCARD ALL