> I am using PHP with postgreSQL and I have been getting a few rare errors
> while trying to do selects on a table containing EUC_JP text.
>
> I thought it was a bug with PHP not recognizing a string as invalid
> EUC_JP characters and wrote up a bug report but the PHP developers
> assure me that the string that is generating the error is a valid EUC_JP
> string (I don't know anything about character encodings so I am taking
> them at their word and the fact that the string displays fine in my
> browser as EUC_JP lends me to suspect they might be right).
>
> The offending string is url encoded as such:
>
> words=%8f%ac%90%ec%96%be%93%fa%8d%81
>
> When I try and do a SELECT I get the following error:
>
> select id from products where name like '??????'
> Query failed: ERROR: Invalid EUC_JP character sequence found (0x8100)
Since you did not show us exact query you send to PostgreSQL, I assume
the query passed to PostgreSQL is:
select id from products where name like 'string';
where string is "0x8fac90ec96be93fa8d81".
If the string is supposed to be an EUC_JP, it would be parsed as follows:
8f: single shift 3 (indicates that following 2 bytes are a JIS 0212 character)
ac90: a JIS 0212 character
ec96: a JIS 0208 character
be93: a JIS 0208 character
fa8d: a JIS 0208 character
81: ???
The last 0x81 is invalid if the string is assumed as EUC_JP.
> (Where did the 0x00 come from??)
trailing '\0'.
> Can someone let me know if this truly is a bug in postgres?
No.
> Thanks,
>
> Jean-Christian Imbeault
>
>
> PS I have also had the error pop up with this string:
>
> search_words=%B7%F6%BA%7E
> select id from products where name like '??~'
> Query failed: ERROR: Invalid EUC_JP character sequence found (0xba7e)
This is definitly a bad EUC_JP.
--
Tatsuo Ishii
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