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https://issues.apache.org/jira/browse/DERBY-6383?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Knut Anders Hatlen updated DERBY-6383:
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Affects Version/s: 10.7.1.4
Summary: Update trigger defined on one column fires on update of
other columns (was: dblook gives wrong column list for update trigger that
references transition table)
> 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: 10.7.1.4, 10.8.1.2, 10.9.1.0, 10.10.1.1
> Reporter: Knut Anders Hatlen
> Attachments: d6383.sql
>
>
> 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
> -- ----------------------------------------------
> CREATE TRIGGER "APP"."TR" AFTER UPDATE OF "X", "Y" ON "APP"."T1" REFERENCING
> OLD_TABLE 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 10.7.1.1.
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