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From "Zachery Jensen (JIRA)" <derby-...@db.apache.org>
Subject [jira] Commented: (DERBY-630) create trigger fails with null pointer exception
Date Fri, 28 Jul 2006 16:30:15 GMT
    [ http://issues.apache.org/jira/browse/DERBY-630?page=comments#action_12424128 ] 
            
Zachery Jensen commented on DERBY-630:
--------------------------------------

I can confirm this happening to me in version 10.1.3.1.

The test case above causes the issue.  It doesn't occur when creating the triggers on the
APP schema.

> 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
>
> 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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