Yep, Deal :-)
Andrea Aime writes:
> Christian Müller ha scritto:
>> Yep, I am
>> First, I meant DB2 does not allow an underscore as the first character of
>> a table name. Sorry.
>> Second, I talked only about meta information.
>>
>> About Sequences:
>> The method
>> public String getSequenceForColumn(String schemaName, String tableName,
>> String columnName, Connection cx) throws SQLException {
>> in the DB2 Dialect checks only if there exists a sequence with the name
>> tableName + "_" + columnName + "_SEQUENCE"
>> That is poor. What if I want to have unique ids in the whole db, not only
>> within a table. No chance at the moment. Perhaps I should
>> drop the sequence support completely and remove GEOT-2015. The lookup
>> plugin gives a possibility to use another sequence name or throw a
>> NotSupportedException.
>
> I agree the above sequence logic is poor, and it's the reason to introduce
> a metadata table lookup instead.
> Your DB2 dialect can just return null to that call, no need to throw
> exceptions.
>
>>
>> About Auto Generated Keys
>> I cannont support autoincrement columns, no chance to get the value
>> before or after the insert. The Jdbc API Statement.getGeneratedKeys()
>> would be the right way. The real problem is the method
>> public boolean lookupGeneratedValuesPostInsert()
>> For DB2, this is not true and not false. Again, the lookup plugin gives
>> me the possibility of a NotSupportedException.
>> Your opinion ?
>
> Same deal here. Just return null. But in this case you can also create
> a custom implementation of the lookup logic that won't allow
> auto-increment keys in DB2 and set it in your factory I guess.
> I'll make sure that datastore factories have an opportunity to override
> the default primary key lookup system with their own.
>
> Deal?
>
> Cheers
> Andrea
>
>
> --
> Andrea Aime
> OpenGeo - http://opengeo.org
> Expert service straight from the developers.
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