Re: MD5 aggregate
От | Peter Eisentraut |
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Тема | Re: MD5 aggregate |
Дата | |
Msg-id | 51CB533A.6070603@gmx.net обсуждение исходный текст |
Ответ на | Re: MD5 aggregate (Dean Rasheed <dean.a.rasheed@gmail.com>) |
Ответы |
Re: MD5 aggregate
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Список | pgsql-hackers |
On 6/26/13 4:04 PM, Dean Rasheed wrote: > A quick google search reveals several people asking for something like > this, and people recommending md5(string_agg(...)) or > md5(string_agg(md5(...))) based solutions, which are doomed to failure > on larger tables. The thread discussed several other options of checksumming tables that did not have the air of a crytographic offering, as Noah put it. > So I think that there is a case for having md5_agg() > in core as an alternative to such hacks, while having more > sophisticated crypto functions available as extensions. Well, in general, I'd rather see the sophisticated stuff in core and the hacks in extensions.
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