Bug #1190 Problem in JOIN
| Submitted: | 4 Sep 2003 1:04 | Modified: | 4 Oct 2003 6:06 |
|---|---|---|---|
| Reporter: | Deivanaathan A Krishnan | Email Updates: | |
| Status: | No Feedback | Impact on me: | |
| Category: | MySQL Server: MyISAM storage engine | Severity: | S2 (Serious) |
| Version: | 3.23.56 | OS: | Windows (Windows 2000) |
| Assigned to: | CPU Architecture: | Any |
[4 Sep 2003 6:06]
Indrek Siitan
Is the problem reproducable for you with the exact data that you provided here (2+3 rows)? Also, can you post CREATE TABLE statements for both tables, including indices created on the tables. Also, you could try upgrading to the latest MySQL version - I wasn't able to reproduce this on 3.23.58 at this moment.
[14 Feb 2005 22:54]
Bugs System
No feedback was provided for this bug for over a month, so it is being suspended automatically. If you are able to provide the information that was originally requested, please do so and change the status of the bug back to "Open".
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Description: Hi, I tried to execute the statement "Select m.message_id,m.message_subject,u.user_name from message m LEFT JOIN users u on u.user_id=m.message_user" where as a user is not in the users table. For example (message_user has a user_id with a value of 10 and that is not available in users table.) The query results return Null for u.user_name for all the subsequent rows that return after the message_id having user_id 10. Could anyone please let me know how to solve this issue. Thanks, Deiva. How to repeat: "Select m.message_id,m.message_subject,u.user_name from message m LEFT JOIN users u on u.user_id=m.message_user" messages mesasge_id message_subject message_user 1 xxx 2 2 aaa 10 3 ddd 1 users user_id user_name 1 deiva 2 raja the query result is returning the nulls (it seems it works fine when ids or other are matched. but problem with date or lesser or grater than functions used.)