Re: CRC function?
От | Bruce Momjian |
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Тема | Re: CRC function? |
Дата | |
Msg-id | 200207080432.g684WNn14343@candle.pha.pa.us обсуждение исходный текст |
Ответ на | CRC function? (Francisco Reyes <lists@natserv.com>) |
Ответы |
Re: CRC function?
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Список | pgsql-general |
Francisco Reyes wrote: > Looked at contrib and didn't see it. > Anyone knows if there is a CRC fuction available for PostgreSQL. > > As an example of how I would use it. > Imagine a table with 3 columns > id,text, crc_val > > I could then do something like: > select id from <table> where crc(text) <> crc_val; Sure see contrib/pgcrypto/README: Hashes: MD5, SHA1, CRC32, CRC32B, GOST, TIGER, RIPEMD160, ^^^^^^^^^^^^^ -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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