Re: bytea and text
От | Syan Tan |
---|---|
Тема | Re: bytea and text |
Дата | |
Msg-id | 45552.1259370312@people.net.au обсуждение исходный текст |
Ответ на | bytea and text ("Jean-Yves F. Barbier" <12ukwn@gmail.com>) |
Список | pgsql-novice |
this is a wrapper for one parameter 'base64' , I thought what he wanted was a simple way of uploading files by filename into a postgresql database field via a gambase client interface. On Sat 28/11/09 00:08 , "Jean-Yves F. Barbier" 12ukwn@gmail.com sent: > richard terry a écrit : > ... > > tom, I wonder if you could give us a sample of > using client side lo_creat , > insert functions to insert a blob into postgres > - in an sql statement.> > > Despite reading the docs's I'm totally in the > dark and can't understand the > syntax. > > Hi Richard, I modified the functions I sent you: they now store into > BINARY (BYTEA) format, not anymore into BASE64: > > CREATE OR REPLACE FUNCTION ucommon.testbytea_ins(Pstring TEXT) RETURNS oid > AS $$DECLARE > NewId OID; > NewBytea BYTEA; > BEGIN > NewBytea = decode(Pstring, 'base64'); > INSERT INTO common.testbytea VALUES(default, NewBytea); > SELECT id INTO NewId FROM common.testbytea WHERE id = (SELECT > currval('testbytea_id_seq'));RETURN NewId; > END; > $$ LANGUAGE PLPGSQL STRICT SECURITY DEFINER; > REVOKE ALL ON FUNCTION ucommon.testbytea_ins(TEXT) FROM PUBLIC; > --------------------------------------------------- > CREATE OR REPLACE FUNCTION ucommon.testbytea_sel(Pid OID) RETURNS TEXT AS > $$DECLARE > MyPic BYTEA; > MyString TEXT; > BEGIN > SELECT pic INTO MyPic FROM common.testbytea WHERE id = Pid; > MyString = encode(MyPic, 'base64'); > RETURN MyString; > END; > $$ LANGUAGE PLPGSQL STRICT SECURITY DEFINER; > REVOKE ALL ON FUNCTION ucommon.testbytea_sel(OID) FROM PUBLIC; > > HIWH > > JY > -- > Objects in mirror may be closer than they appear. > > -- > Sent via pgsql-novice mailing list (p > gsql-novice@postgresql.org)To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-novice > >
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