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https://issues.apache.org/jira/browse/DERBY-6876?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15197485#comment-15197485
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Bryan Pendleton commented on DERBY-6876:
----------------------------------------
I'm not sure I understand this behavior. It seems like I can select some
of the rows in sys.sysdepends by key, but not other rows?
ij> select dependentid from sys.sysdepends;
DEPENDENTID
------------------------------------
df1940da-0146-b029-78df-000005b12f78
a0d440e2-0146-b029-78df-000005b12f78
19ba803c-0147-fe71-6b06-000005b8e328
424a8045-0148-935e-986b-000005c08798
424a8045-0148-935e-986b-000005c08798
424a8045-0148-935e-986b-000005c08798
424a8045-0148-935e-986b-000005c08798
424a8045-0148-935e-986b-000005c08798
da398044-0148-935e-986b-000005c08798
da398044-0148-935e-986b-000005c08798
da398044-0148-935e-986b-000005c08798
da398044-0148-935e-986b-000005c08798
19ba803c-014e-b216-6d98-00000650b418
19ba803c-014e-b216-6d98-00000650b418
19ba803c-014e-b216-6d98-00000650b418
19ba803c-014e-b216-6d98-00000650b418
19ba803c-014e-b216-6d98-00000650b418
17 rows selected
ij> select * from sys.sysdepends where
dependentid='19ba803c-014e-b216-6d98-00000650b418';
DEPENDENTID |DEPENDENTFINDER|PROVIDERID
|PROVIDERFINDER
---------------------------------------------------------------------------------------------------------
0 rows selected
ij> select * from sys.sysdepends where
dependentid='424a8045-0148-935e-986b-000005c08798';
DEPENDENTID |DEPENDENTFINDER|PROVIDERID
|PROVIDERFINDER
---------------------------------------------------------------------------------------------------------
424a8045-0148-935e-986b-000005c08798|StoredPrepared&|176240b2-0146-b029-78df-000005b12f78|ColumnsInTable
424a8045-0148-935e-986b-000005c08798|StoredPrepared&|41588035-0148-935e-986b-000005c08798|Alias
424a8045-0148-935e-986b-000005c08798|StoredPrepared&|070a00b0-0146-b029-78df-000005b12f78|Conglomerate
424a8045-0148-935e-986b-000005c08798|StoredPrepared&|af8ec0b3-0146-b029-78df-000005b12f78|Conglomerate
424a8045-0148-935e-986b-000005c08798|StoredPrepared&|176240b2-0146-b029-78df-000005b12f78|ColumnsInTable
5 rows selected
> Can't create triggers on a table - error 42X94
> ----------------------------------------------
>
> Key: DERBY-6876
> URL: https://issues.apache.org/jira/browse/DERBY-6876
> Project: Derby
> Issue Type: Bug
> Environment: Linux x86_64, Java 1.8.0_74
> Reporter: Aleksei Kovura
> Attachments: trigger_bug.zip
>
>
> I previously shared this on dev mailing list -
> http://thread.gmane.org/gmane.comp.apache.db.derby.devel/115427.
> I'm reworking triggers in my database and getting this message while trying
> to create one:
> ------------
> Error: StoredPreparedStatement '19ba803c-014e-b216-6d98-00000650b418' does
> not exist.
> SQLState: 42X94
> ErrorCode: 30000
> ------------
> This database is a couple years old, started out as 10.10.1.1, was upgraded
> to stable releases as they appeared (10.11.1.1 -> 10.12.1.1). Some DDL was
> changed in between upgrades, unfortunately I can't track which ones and when.
> SYSCS_UTIL.SYSCS_INVALIDATE_STORED_STATEMENTS() doesn't help.
> I tried my best to create a replicable test case through creating database on
> earlier versions, upgrading and playing with DDL - no such luck, so I'm
> attaching compressed database (with data deleted and tables compressed). Bug
> replication procedure is as follows:
> 1) Unpack attached file (it has a "trigger_bug" root directory);
> 2) Boot the db_trigger database in embedded mode, include "trigger_bug"
> directory in the classpath - there is one Java class that is referenced in
> Stored Procedure;
> 3) Try to run this SQL:
> CREATE TRIGGER APP."test"
> AFTER UPDATE OF description ON APP."ACTIONS"
> REFERENCING NEW ROW AS updated_row
> FOR EACH ROW
> UPDATE APP."ACTIONS" SET description = 'testing'
> WHERE id=updated_row.id
> 4) Get a 42X94 error.
> I'm hoping someone with enough knowledge can poke around in system tables and
> figure out what's going on.
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