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Date: Tue, 10 Oct 2006 12:01:21 -0700 (PDT)
From: "Yip Ng (JIRA)" <derby-dev@db.apache.org>
To: derby-dev@db.apache.org
Subject: [jira] Commented: (DERBY-630) create trigger fails with null
 pointer exception
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    [ http://issues.apache.org/jira/browse/DERBY-630?page=comments#action_12441257 ] 
            
Yip Ng commented on DERBY-630:
------------------------------

Anyone else have a chance to try out and review the patch for this issue?

> create trigger fails with null pointer exception
> ------------------------------------------------
>
>                 Key: DERBY-630
>                 URL: http://issues.apache.org/jira/browse/DERBY-630
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.1.1.0
>         Environment: windows 2000, sun jdk 1.5.0
>            Reporter: mardacay
>         Assigned To: Yip Ng
>         Attachments: derby630-trunk-diff01.txt, derby630-trunk-stat01.txt
>
>
> When i create a brand new database, and execute the following statements all in one transaction or each of them in their own transaction, then it fails at trigger creation with null pointer exception. if i exclude the schema names from statement, then it runs fine. (If S1 is ommited from every statement then it runs fine). Once the version without the schema names run fine, i can run the version that has schema names, fine also. 
> create schema S1;
> create table
>   S1.PRODUCT(
>     PRODUCT_ID VARCHAR(255) unique not null,
>     VERSION BIGINT
>   );
>   
> create table
>   S1.CATEGORY(
>     CAT_ID VARCHAR(255),
>     NAME varchar(255) not null,
>     VERSION BIGINT
>   );
> create table
>   S1.PROD_IN_CAT(
>     CAT_ID VARCHAR(255) not null,
>     PRODUCT_ID VARCHAR(255) not null,
>     VERSION BIGINT
>   );
>   
> create trigger S1.product_v 
> after update of version on S1.product
> referencing new as n
> for each row
> mode db2sql
> 	update S1.prod_in_cat set version = n.version where S1.prod_in_cat.product_id=n.product_id;
> java.lang.NullPointerException
> 	at org.apache.derby.impl.sql.catalog.SYSSTATEMENTSRowFactory.makeSYSSTATEMENTSrow(Unknown Source)
> 	at org.apache.derby.impl.sql.catalog.DataDictionaryImpl.addSPSDescriptor(Unknown Source)
> 	at org.apache.derby.impl.sql.execute.CreateTriggerConstantAction.createSPS(Unknown Source)
> 	at org.apache.derby.impl.sql.execute.CreateTriggerConstantAction.executeConstantAction(Unknown Source)Stopping progress indicator for: Executing SQL
> 	at org.apache.derby.impl.sql.execute.MiscResultSet.open(Unknown Source)
> 	at org.apache.derby.impl.sql.GenericPreparedStatement.execute(Unknown Source)
> 	at org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(Unknown Source)
> 	at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
> 	at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)

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