I did more investigation and found out that
1) with MySQL 4.1.10-nt both queries executed from Query Browser work fine
(no error) - I haven't chance to test it with my application through ODBC
connection
2) when I set initial statement in MyODBC SET CHARACTER SET 'cp1250'
instead of SET NAMES 'cp1250' for connection to MySQL 4.1.9-nt-log queries
from my application work fine and that is what I need
mysql show create table files \G
*** 1. row ***
Table: files
Create Table: CREATE TABLE `files` (
`FileName` char(100) collate latin2_czech_cs NOT NULL default '',
`CommandType` enum('NONE','ON_SUCCESS','ON_NOTRANSMIT') collate
latin2_czech_cs NOT NULL default 'NONE',
`Command` char(128) collate latin2_czech_cs default NULL,
PRIMARY KEY (`FileName`,`CommandType`)
) ENGINE=MyISAM DEFAULT CHARSET=latin2 COLLATE=latin2_czech_cs
1 row in set (0.01 sec)
mysql show variables like '%char%';
+--+-+
| Variable_name| Value
|
+--+-+
| character_set_client | cp1250
|
| character_set_connection | latin2
|
| character_set_database | latin2
|
| character_set_results| cp1250
|
| character_set_server | latin2
|
| character_set_system | utf8
|
| character_sets_dir | D:\Program Files\MySQL\MySQL Server
4.1\share\charsets/ |
+--+-+
7 rows in set (0.00 sec)
mysql show variables like '%col%';
+--+---+
| Variable_name| Value |
+--+---+
| collation_connection | cp1250_general_ci |
| collation_database | latin2_czech_cs |
| collation_server | latin2_general_ci |
| protocol_version | 10|
+--+---+
4 rows in set (0.00 sec)
I am still wondering why
SELECT * FROM files WHERE filename = 'file1.txt' OR filename = 'file2.txt'
was working and
SELECT * FROM files WHERE filename IN('file1.txt', 'file2.txt')
wasn't
Dusan
- Original Message -
From: Gleb Paharenko [EMAIL PROTECTED]
To: mysql@lists.mysql.com
Sent: Thursday, June 02, 2005 2:13 PM
Subject: Re: Illegal mix of collations for operation IN
Hello.
Usually debugging of such kind of problems starts with examination of
the output of:
show variables like '%char%';
show variables like '%colla%';
Send the output of:
show create table your_table;
Hello,
I have problem which I don't understand.
if I send command (from Query Browser or from C++ Builder application)
SELECT FileName FROM Files WHERE FileName = 'FILE1.TXT' OR FileName =
'FILE2.TXT'
query executes without any problem but command
SELECT FileName FROM Files WHERE FileName IN ('FILE1.TXT', 'FILE2.TXT')
throws error illegal mix of collations for operation 'IN'
I thought that IN is somehow by optimizer translated to ORs
Could someone explain me why first query is OK and second not? Please.
I'm using WinXP SP2 and MySQL 4.1.9-nt-log
databases and tables use CHARSET=latin2 COLLATE=latin2_czech_cs
I already read some articles about the topic in MySQL forum but they
didn't helped me
much.
Thanks in advance
Dusan Pavlica
Du$an Pavlica [EMAIL PROTECTED] wrote:
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