# Bug #40565 Update Query Results in "1 Row Affected" But Should Be "Zero Rows" -- source include/have_innodb_plugin.inc create table bug40565(value decimal(4,2)) engine=innodb; insert into bug40565 values (1), (null); --enable_info update bug40565 set value=NULL; update bug40565 set value=NULL; --disable_info drop table bug40565;