Missing param for query.

library/persistence/implementation/mysql/src/cms_storage_mysql.e

@@ -62,13 +62,13 @@ feature -- Query
 
 	sql_query (a_sql_statement: STRING; a_params: detachable STRING_TABLE [detachable ANY])
 		do
-			db_handler.set_query (create {DATABASE_QUERY}.data_reader (a_sql_statement, Void))
+			db_handler.set_query (create {DATABASE_QUERY}.data_reader (a_sql_statement, a_params))
 			db_handler.execute_query
 		end
 
 	sql_change (a_sql_statement: STRING; a_params: detachable STRING_TABLE [detachable ANY])
 		do
-			db_handler.set_query (create {DATABASE_QUERY}.data_reader (a_sql_statement, Void))
+			db_handler.set_query (create {DATABASE_QUERY}.data_reader (a_sql_statement, a_params))
 			db_handler.execute_change
 		end
 

library/persistence/implementation/mysql/src/cms_storage_mysql_builder.e

@@ -25,9 +25,14 @@ feature {NONE} -- Initialization
 feature -- Factory
 
 	storage (a_setup: CMS_SETUP): detachable CMS_STORAGE_MYSQL
+		local
+			conn: DATABASE_CONNECTION
 		do
 			if attached (create {APPLICATION_JSON_CONFIGURATION_HELPER}).new_database_configuration (a_setup.layout.application_config_path) as l_database_config then
-				create Result.make (create {DATABASE_CONNECTION_MYSQL}.login_with_connection_string (l_database_config.connection_string))
+				create {DATABASE_CONNECTION_MYSQL} conn.login_with_connection_string (l_database_config.connection_string)
+				if conn.is_connected then
+					create Result.make (conn)
+				end
 			end
 		end
 

library/src/persistence/node/cms_node_storage_sql.e

@@ -147,6 +147,8 @@ feature -- Change: Node
 				 	l_author.id > 0
 				then
 					l_parameters.put (l_author.id, "author_id")
+				else
+					l_parameters.put (0, "author_id")
 				end
 				sql_change (sql_insert_node, l_parameters)
 				a_node.set_id (last_inserted_node_id)