On Fri, Jun 22, 2001 at 10:22:32AM -0400, Tom Lane wrote:
> He did say the rules for escaping things are tricky ;-). You need to
> double the backslashes, because interpretation of the string literal
> takes off one level of backslashing before bytea ever sees it:
>
> regression=# INSERT INTO log (data) VALUES ('null \\000 null');
> INSERT 273181 1
> regression=# SELECT octet_length(data), data FROM log;
> octet_length | data
> --------------+------------------------------
> 10 | plain text
> 19 | special chars \012 \001 \002
> 5 | null
> 11 | null \000 null
> (4 rows)
And what use some better encoding if you have a lot of binary chars
in data. For example base64, that code 2 chars to 3 instead \\000
that encode 1 char to 4.
Karel
--
Karel Zak <[EMAIL PROTECTED]>
http://home.zf.jcu.cz/~zakkr/
C, PostgreSQL, PHP, WWW, http://docs.linux.cz, http://mape.jcu.cz
---------------------------(end of broadcast)---------------------------
TIP 6: Have you searched our list archives?
http://www.postgresql.org/search.mpl
