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From "Tiago R. Espinha (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-4099) Update Multiple Columns SQL
Date Sun, 26 Apr 2009 20:55:30 GMT

    [ https://issues.apache.org/jira/browse/DERBY-4099?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12702935#action_12702935
] 

Tiago R. Espinha commented on DERBY-4099:
-----------------------------------------

Given this, then the bug would be on MySQL's end and not on ours. On a strictly personal level,
I do prefer the behaviour specified by the standard.

> Update Multiple Columns SQL
> ---------------------------
>
>                 Key: DERBY-4099
>                 URL: https://issues.apache.org/jira/browse/DERBY-4099
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Meenakshi Sundar Sitaraman
>            Priority: Critical
>
> When I try to execute the following query
> update table_name set n1=5, average=(n1+n2)/2 where ....
> The new value of n1 (viz. 5 in this case) is not used when calculating the average. While
the new value of n1 is used in MySQL, the old value is used in Derby.
> Appreciate your support in resolving this issue.

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