[sr-dev] git:master:7c52ffb9: usrloc: more docs for db_insert_null parameter

[Daniel-Constantin Mierla]

Module: kamailio
Branch: master
Commit: 7c52ffb920ec0552a8720833223a54813affe8ee
URL: https://github.com/kamailio/kamailio/commit/7c52ffb920ec0552a8720833223a54813affe8ee

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2017-11-03T13:21:11+01:00

usrloc: more docs for db_insert_null parameter

---

Modified: src/modules/usrloc/doc/usrloc_admin.xml

---

Diff:  https://github.com/kamailio/kamailio/commit/7c52ffb920ec0552a8720833223a54813affe8ee.diff
Patch: https://github.com/kamailio/kamailio/commit/7c52ffb920ec0552a8720833223a54813affe8ee.patch

---

diff --git a/src/modules/usrloc/doc/usrloc_admin.xml b/src/modules/usrloc/doc/usrloc_admin.xml
index fde16498d7..f7ac066c29 100644
--- a/src/modules/usrloc/doc/usrloc_admin.xml
+++ b/src/modules/usrloc/doc/usrloc_admin.xml
@@ -1088,7 +1088,14 @@ modparam("usrloc", "db_raw_fetch_type", 1)
 		<title><varname>db_insert_null</varname> (int)</title>
 		<para>
 			If set to 1, the insert operation to database will add null values
-			in the sql statement.
+			in the statement. It has to be set to 1 for the database systems
+			that do not have table definitions that create automatically the
+			null fields (e.g., db_mongodb) for each stored record.
+		</para>
+		<para>
+			When set to 0, the fiels that default to null are not
+			added to the DB insert statement if they don't have a different
+			value, making the query smaller.
 		</para>
 		<para>
 		<emphasis>