Re: A thought on Index Organized Tables
От | Tom Lane |
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Тема | Re: A thought on Index Organized Tables |
Дата | |
Msg-id | 16249.1267159659@sss.pgh.pa.us обсуждение исходный текст |
Ответ на | Re: A thought on Index Organized Tables (Gokulakannan Somasundaram <gokul007@gmail.com>) |
Ответы |
Re: A thought on Index Organized Tables
Re: A thought on Index Organized Tables |
Список | pgsql-hackers |
Gokulakannan Somasundaram <gokul007@gmail.com> writes: >> Actually, if you need to squeeze a few more bits into that word, the >> thing to do would be to get rid of storing the tuple length there. >> This would involve adding the same type of indirection header that >> we use for HeapTuples, so that the length would be available at need >> without going back to the item pointer. I > I feel the other one is easy. To store the hint bits inside the ItemId, in > the place of size. No, we're not going there. That breaks the fundamental page content manipulation algorithms, and falls down for tuples not yet stored in a page (or being examined without a pointer to the page readily at hand), and has no redeeming social value anyway compared to doing it in the proven fashion. regards, tom lane
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