Re: Postgres blob question - insert from basic.

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От
Syan Tan
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Re: Postgres blob question - insert from basic.
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1153.1259120833@people.net.au
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Re: Postgres blob question - insert from basic. Jasen Betts <jasen@xnet.co.nz>
Re: Postgres blob question - insert from basic. richard terry <rterry@pacific.net.au>

I used base64 and even hex , and respectively if you've got 8G of image data
it's going to bloat by 1.5 to 2 times. Uploading files to a server-side image directory
makes the backup process split into dumping the postgres database and targzipping a directory tree,
but quite a few previous applications in richard's domain have gone down that path , if I remember
genie and md3.
On Tue 24/11/09 11:36 , "richard terry" rterry@pacific.net.au sent:
> On Tuesday 24 November 2009 22:23:01 Jasen Betts wrote:
> > > If you really want to have your blobs
> stored in the database, I'd> > recommend using a "bytea" column
> as Jean-Yves suggests -- this way you> > won't need superuser privs to insert your
> data, and you'll avoid the> > additional complication of lo_import() only
> working on files on the> > server's filesystem. There might be a way
> to insert OID records> > without using lo_import() and without
> needing PG superuser privileges,> > but I haven't tried.
> > 
> > there is an sql method but I have not found the
> documentation (it's used in>  SQL backups) there's also the libpq lo_open
> lo_read lo_write functions> 
> > that said bytea works well for most purposes, if
> working in raw sql>  encode() can be used to convert the
> double-escaped data to more easily>  handled base64
> > 
> I've settled for bytea at the moment and using the ordinary gambas database
> object its workingly simply and quickly, at least with images so far.
> 
> thanks for all the replies.
> 
> Regards
> 
> Richard
> 
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