I think it is too complex to manage the column type. What about testing by inserting a row with the proper type?
| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2020-09-28 18:14:05 | ced | set | messageid: <1601309645.28.0.521349900912.issue9645@tryton.org> |
| 2020-09-28 18:14:05 | ced | set | recipients: + nicoe, jcavallo |
| 2020-09-28 18:14:05 | ced | link | issue9645 messages |
| 2020-09-28 18:14:05 | ced | create | |
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