There is a stack overflow post about this: if you attempt to change a table schema from nullable to non-nullable, and there are existing null values, you will get this error upon attempting schema change.
Not a useful error!
Yuji's Increasingly Infrequent Ramblings
There is a stack overflow post about this: if you attempt to change a table schema from nullable to non-nullable, and there are existing null values, you will get this error upon attempting schema change.
Not a useful error!