Error parsing DDL: int signed

[shlomi-noach]

The following valid query:

alter table t add column iii int signed not null;

works, but generates this in the error log:

ignoring error parsing DDL 'alter table t add column iii int signed not null': syntax error at position 40 near 'signed'

Again, it works, but I'm concerned about that warning; there shouldn't be one.