Re: import_bytea function

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От
Thomas Kellerer
Тема
Re: import_bytea function
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nta4o1$f9f$1@blaine.gmane.org
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Re: import_bytea function (Stephen Davies)
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import_bytea function Stephen Davies <sdavies@sdc.com.au>
Re: import_bytea function Thomas Kellerer <spam_eater@gmx.net>
Re: import_bytea function Stephen Davies <sdavies@sdc.com.au>
Re: import_bytea function Thomas Kellerer <spam_eater@gmx.net>
Re: import_bytea function Stephen Davies <sdavies@sdc.com.au>
Re: import_bytea function Jan de Visser <jan@de-visser.net>
Re: import_bytea function Thomas Kellerer <spam_eater@gmx.net>
Re: import_bytea function Stephen Davies <sdavies@sdc.com.au>
Re: import_bytea function Thomas Kellerer <spam_eater@gmx.net>
Re: import_bytea function (resolved) Stephen Davies <sdavies@sdc.com.au>
Re: import_bytea function Thomas Kellerer <spam_eater@gmx.net>
Stephen Davies schrieb am 08.10.2016 um 02:57:
> A follow-up question.
> Once the bytea column is populated, how best to display  the content in a web page?
>
> I have :
>
> byte [] imgB;
> ResultSet rs = st1.executeQuery("select pic from part where pno='" + p + "'");
>       if(rs.next()){
>           imgB = rs.getBytes(1);
>           if (imgB != null){
>             out.write("Content-type: image/jpeg");
>             out.write("Content-length: " + (int)imgB.length);
>             out.write(imgB.toString());
>           }
>       }
>
> but this does not work.
> The toString() looks wrong but removing it makes the write fail.

What is "out"?

(And please use a PreparedStatement to run the SELECT for security reasons)

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