Re: import_bytea function (resolved)
От | Stephen Davies |
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Тема | Re: import_bytea function (resolved) |
Дата | |
Msg-id | b79cd388-20b0-cb94-e6e2-207c433d90d5@sdc.com.au обсуждение исходный текст |
Ответ на | Re: import_bytea function (Thomas Kellerer <spam_eater@gmx.net>) |
Список | pgsql-general |
On 08/10/16 17:16, Thomas Kellerer wrote: > 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) > > > > Thanks to all. Both the update and display now work. Cheers, Stephen
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