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From "Mamta A. Satoor (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-6383) Update trigger defined on one column fires on update of other columns
Date Tue, 12 Nov 2013 05:03:18 GMT

     [ https://issues.apache.org/jira/browse/DERBY-6383?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Mamta A. Satoor updated DERBY-6383:

    Fix Version/s:

> Update trigger defined on one column fires on update of other columns
> ---------------------------------------------------------------------
>                 Key: DERBY-6383
>                 URL: https://issues.apache.org/jira/browse/DERBY-6383
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions:,,,
>            Reporter: Knut Anders Hatlen
>            Assignee: Mamta A. Satoor
>             Fix For:,,,
>         Attachments: DERBY6383_patch1_diff.txt, DERBY6383_patch2_diff.txt, DERBY6383_patch3_diff.txt,
d6383.sql, derby_for_Embedded_40Changes10_7testTriggers.log, derby_for_Embedded_40Changes10_9testDisposableStatisticsExplicit.log,
error-stacktrace_for_Embedded_40Changes10_7testTriggers.out, error-stacktrace_for_Embedded_40Changes10_9testDisposableStatisticsExplicit.out,
releaseNote.html, releaseNote.html, runall.out
> I see this problem on 10.8 and higher. To reproduce, create a database with a trigger
like this:
> connect 'jdbc:derby:trigdb;create=true';
> create table t1(x int, y int);
> create table t2(x int, y int);
> create trigger tr after update of x on t1 referencing old table as old insert into t2
select * from old;
> Then run dblook on the database, and you'll see the following output:
> -- ----------------------------------------------
> -- DDL Statements for triggers
> -- ----------------------------------------------
AS OLD FOR EACH STATEMENT insert into t2 select * from old;
> Notice that the DDL creates an update trigger for columns X and Y, whereas the original
trigger was defined on column X only.
> I see the expected DDL on

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