Status: Open (View Workflow)
Fix Version/s: None
Notice, c was assigned to 10, which is the default value for a.
Notice, c was assigned to 11, which is the new value of a, after a=11 was done.
We're assing a new sql_mode soon, for simultaneous assignments (See
this query should probably also follow the new sql_mode, so c is to the initial (default) value of a, which is 10.