Hi,
Informix mostly follows the Postgresql behavior when it comes to SERIAL
columns with one notable exception: I have to specify 0 (0 as int, not
NULL) for a SERIAL column on insert or leave it out.
Code like:
```
Table('date_table', metadata,
Column('id', Integer, primary_key=True,
test_needs_autoincrement=True),
Column('date_data', cls.datatype),
)
config.db.execute(
date_table.insert(),
{'date_data': None}
)
```
currently fails because 'id' is NULL. Can I somehow tell SQLAlchemy to use
an implicit default of 0 for those inserts?
(My dialect also follows the behavior of setting integer columns to serial
if they are primary keys and have no defaults…)
Thanks,
Florian
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