Question

Is it possible to specify a column type of unsigned integer in Doctrine 2?

Answer 1

You can but you will loose portability. Use columnDefinition attribute and set it to integer unsigned. The actual code depends on what you are using.

columnDefinition: DDL SQL snippet that starts after the column name
and specifies the complete (non-portable!) column definition. This
attribute allows to make use of advanced RMDBS features. However you
should make careful use of this feature and the consequences.
SchemaTool will not detect changes on the column correctly anymore if
you use “columnDefinition”.

Doctrine reference: https://www.doctrine-project.org/projects/doctrine-orm/en/latest/reference/annotations-reference.html#column