Re: A thought on Index Organized Tables
| От | Heikki Linnakangas |
|---|---|
| Тема | Re: A thought on Index Organized Tables |
| Дата | |
| Msg-id | 4B83F01C.2020103@enterprisedb.com обсуждение исходный текст |
| Ответ на | Re: A thought on Index Organized Tables (Andrew Dunstan <andrew@dunslane.net>) |
| Список | pgsql-hackers |
Andrew Dunstan wrote: > Gokulakannan Somasundaram wrote: >> I looked at the postgres nbtree code. From my analysis(which >> might be wrong!), we can implement IOTs, provided we make a decision >> on broken data types issue. > > I am not familiar with this term "broken data types", and I just looked > for it in the source code and couldn't find it. > > What exactly are you referring to? I believe he's referring to the fact that once a key is inserted to an index, it might not be possible to re-find it, if the datatype is broken in such a way that e.g comparison operator returns a different value. For example, today "1 < 2" returns true, but tomorrow it returns false. The decision on that is that you need to deal with it. -- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com
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