Re: Store base64 in database. Use bytea or text?
От | Bill Moran |
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Тема | Re: Store base64 in database. Use bytea or text? |
Дата | |
Msg-id | 20110125174612.153a1f51.wmoran@potentialtech.com обсуждение исходный текст |
Ответ на | Re: Store base64 in database. Use bytea or text? (Peter Geoghegan <peter.geoghegan86@gmail.com>) |
Ответы |
Re: Store base64 in database. Use bytea or text?
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Список | pgsql-general |
In response to Peter Geoghegan <peter.geoghegan86@gmail.com>: > On 25 January 2011 22:27, Andre Lopes <lopes80andre@gmail.com> wrote: > > Hi, > > > > I need to put some images on Base64 in a PostgreSQL database. Wich > > type should I use and what is the difference between using bytea or > > text to store Base64? > > I really don't think you want to do that. Base64 is used to make > binary data 7-bit safe for compatibility with legacy systems (i.e. to > embed arbitrary binary data within ASCII). Sometimes people escape > binary data as base64 to store it in their DB, but they typically > store it as bytea. Base64 probably isn't even a particularly good > choice for escaping binary, let alone storing it. > > You should just use a generic escaping function. libpq has > PQescapeByteaConn(), for example. A warning: last I checked, PHP's pg_escape_bytea() was broken, so be cautious if you're using PHP. -- Bill Moran http://www.potentialtech.com http://people.collaborativefusion.com/~wmoran/
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