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6b50f9af33
>there is still an unpatched reference to pg_description in >getColumns(), in both jdbc1 and jdbc2. This was introduced by Jeroen's patch (see http://fts.postgresql.org/db/mw/msg.html?mid=1032468). Attached is a patch that returns getColumns() to using "select obj_description()" instead of direct access to pg_description, as per the request by Tom. I've incorporated Jeroen's fix to left outer join with pg_attrdef instead of inner join, so getColumns() also returns columns without a default value. I have, however, not included Jeroen's attempt to combine multiple queries into one huge multi-join query for better performance, because: 1) I don't know how to do that using obj_description() instead of direct access to pg_description 2) I don't think a performance improvement (if any) in this method is very important Because of the outer join, getColumns() will only work with a backend >= 7.1. Since the conditional coding for 7.1/7.2 and jdbc1/jdbc2 is already giving me headaches I didn't pursue a pre-7.1 solution. Regards, Ren? Pijlman <rene@lab.applinet.nl> |
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