Re: Hash Indexes
От | Geoff Winkless |
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Тема | Re: Hash Indexes |
Дата | |
Msg-id | CAEzk6feXy6zcfnJcF3=mDVXqDB=qsnM1=WeXGCu1vLdhmN_cdw@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Hash Indexes (Robert Haas <robertmhaas@gmail.com>) |
Ответы |
Re: Hash Indexes
Re: Hash Indexes |
Список | pgsql-hackers |
On 21 September 2016 at 13:29, Robert Haas <robertmhaas@gmail.com> wrote: > I'd be curious what benefits people expect to get. An edge case I came across the other day was a unique index on a large string: postgresql popped up and told me that I couldn't insert a value into the field because the BTREE-index-based constraint wouldn't support the size of string, and that I should use a HASH index instead. Which, of course, I can't, because it's fairly clearly deprecated in the documentation...
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