Tom Lane wrote:
> Tatsuo Ishii <[EMAIL PROTECTED]> writes:
>
>>PQescapebytea() is not multibyte aware and will produce bad multibyte
>>character sequences. Example:
>>I think 0x89 should be converted to '\\211' since 0x89 of 0x8950 is
>>considered as "non printable characters".
>
>
> Hmm, so essentially we'd have to convert all codes >= 0x80 to prevent
> them from being mistaken for parts of multibyte sequences? Ugh, but
> you're probably right. It looks to me like byteaout does the reverse
> already.
>
But the error comes from pg_verifymbstr. Since bytea has no encoding
(it's just an array of bytes afterall), why does pg_verifymbstr get
applied at all to bytea data?
pg_verifymbstr is called by textin, bpcharin, and varcharin. Would it
help to rewrite this as:
INSERT INTO t1(bytea_col) VALUES('characters produced by
PQescapebytea'::bytea);
?
Joe
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