#566 change to incorrect datatypes on table alter (MySQL 5.7)

[amir]

in left side is first correct table structure

and error on alter table shows in right

good luck

[Jakub Vrána]

Please send instructions to reproduce this.

[Jakub Vrána]

This is similar to #555.

[Erik Frøseth]

I don't understand what the expected outcome is...
It seems like you are trying to change a VARCHAR(33) to TINYINT(33). For obvious reasons, this won't work if your column contains non-numeric values (as it seemingly does based on the error reported).