Cédric Villemain wrote:
- From the documentation, length(string) is 'Number of characters in string'
But it didn't :
1/ in a LATIN9 database:
postgres=# show server_encoding;
server_encoding
- -----------------
LATIN9
postgres=# set client_encoding = utf8;
SET
postgres=# select length('é');
length
- --------
1
postgres=# set client_encoding = latin9;
SET
postgres=# select length('é');
length
- --------
2
I bet your console works in UTF-8, so setting client_encoding=latin9 is
not the right thing to do. If you replace "select length('é')" with
"INSERT INTO foo VALUES ('é')", and check the contents of the table with
SELECT * FROM foo afterwards, you'll see that the string is garbled in
the latter case, and indeed consists of two characters.
As you noticed, server_encoding makes no difference here.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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