When assigning a value with more decimals than a DECIMAL column was created for a

1265 | Data truncated for column 'val' at row 1

warning is raised.There has been a request whether an error could be raised instead.

We looked into solving this using triggers or a check constraint, but apparently rounding already happens before trigger or check condition code is executed, so this approach does not seem to work.

Hence this feature request for some sort of "NO_DECIMAL_TRUNCATION" sql_mode