Hi Albe,
Yes, I'm using a Chinese tsearch2 plugin called nlpbamboo and the
default default_text_search_config is 'chinesecfg'. I tested "select
to_tsvector('english',content) from tmp_article" and this works. So it's
the problem of nlpbamboo? The result of 'CAST (content AS bytea)' is
shown below. btw, what's the meaning of "Please don't top post."? I
don't understand but sorry if I caused any problem.
\xe6a0b8e5bf83e68f90e7a4baefbc9ae69caae69da5e4b889e5b9b4e5b086e698afe694bfe5ba9ce99c80e6b182e9878ae694beefbc8ce8a18ce4b89ae9ab98e9809fe68890e995bfe79a84e697b6e69c9fefbc8ce585ac
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a0ae8b4a3e4bbbbe7bc96e8be91efbc9ae5bb96e6b3bde5878c
于 2012/4/16 21:34, Albe Laurenz 写道:
Please don't top post.
Rural Hunter wrote:
My db is in utf-8, I have a row in my table say tmp_article and I wanted
to generate ts_vector from the article content:
select to_tsvector(content) from tmp_article;
But I got this error:
ERROR: invalid byte sequence for encoding "UTF8": 0xf481
I am wondering how this could happen. I think if there was invalid UTF8
bytes in the content, it shouldn't have been able to inserted into the
tmp_article table as I sometimes see similar errors when inserting
records to tmp_article. Am I right?
You are right in theory. A lot depends on your PostgreSQL version,
because
the efforts to prevent invalid strings from entering the database have
led to changes over the versions. Older versions are more permissive.
To test the theory that the contents of the table are bad, you can
test if the same happens if you
SELECT convert_to(content, 'UTF8') FROM tmp_article;
=>SELECT convert_to(content, 'UTF8') FROM tmp_article;
This works. My pg is at latest 9.1.3 on ubuntu 10.04 server. We have
millions of data in the db but this is the only one we met the problem.
The bad data is inserted in recent days and we upgraded to 9.1.3 right
after it was released.
Hmm, that is strange.
Could you find the row that causes the problem and post the
result of "CAST (content AS bytea)" for this row?
Do you use any nonstandard text search parsers or dictionaries?
What is the text search configuration you use (parameter
default_text_search_config)?
Yours,
Laurenz Albe
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