Re: change natural column order
От | Russell Smith |
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Тема | Re: change natural column order |
Дата | |
Msg-id | 200412011646.47132.mr-russ@pws.com.au обсуждение исходный текст |
Ответ на | Re: change natural column order (Greg Stark <gsstark@mit.edu>) |
Ответы |
Re: change natural column order
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Список | pgsql-general |
Regarding the "Natural Order" of columns. Why if we can delete a column from the middle of a table now, change the type of that column to something totally different,eg text -> int. Can we not move the order of the rows around, and when the new row is written to disk in the new arrangement. Or more accurately, why is it not possible to add a new column, not at the end of the list. It's probably more complicated that I think, asthat's usually the case. We don't need logical and physical mapping, probably just the ability to insert a column not on the end. Sorry if this comment is in the wrong place, I've been following the General and Hackers discussions and decided to postnow after deleting the other posts. Regards Russell Smith.
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