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From "Daniel John Debrunner (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-1585) derbylang/procedureInTrigger: not able to create trigger due to an open ResultSet
Date Fri, 20 Apr 2007 01:26:15 GMT

    [ https://issues.apache.org/jira/browse/DERBY-1585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12490211
] 

Daniel John Debrunner commented on DERBY-1585:
----------------------------------------------

I see the intent in closing the result sets but this (in edge cases) can lead to exceptions
being thrown in a trigger but calling the procedure directly would not throw those exceptions.
That would be when the close() fails on a ResultSet that would be ignored by EmbedStatement.processDynamicResults.
Also if multiple result sets are returned and an exception is thrown on close, then the remaining
result sets would not be closed, thus leaving the potential for
the bug to resurface.

It's also strange that the close calls are failing, is it because the result sets are in a
limbo between the old closed nested connection and the user connection?
I.e. if this was a plain CALL statement then the ResultSets would be linked into the valid
open user connection, which obviously does not  (and should not) happen here.

Not sure I have good ideas here on the best approach, but I don't understand why the close()
is failing or how the change in EmbedPreparedStatement.close() achieves.
Also the comment about singleUseActivation in EmbedResultSet.close() is not clear to me.



> derbylang/procedureInTrigger: not able to create trigger due to an open ResultSet
> ---------------------------------------------------------------------------------
>
>                 Key: DERBY-1585
>                 URL: https://issues.apache.org/jira/browse/DERBY-1585
>             Project: Derby
>          Issue Type: Bug
>          Components: Regression Test Failure, Test
>    Affects Versions: 10.2.1.6
>         Environment: ------------------ Java Information ------------------
> Java Version:    1.6.0-rc
> Java Vendor:     Sun Microsystems Inc.
> Java home:       /usr/local/java/jdk1.6.0_b91/jre
> Java classpath:  /export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/junit.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/dbprocedures.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/jmxremote.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/javadbtests.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/Dots.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/mail.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/activation.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/Perfmon.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/jakarta-oro-2.0.8.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/commons-logging.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/jagops.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/jdmkrt.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/db2jcc_license_c.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/jet.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/jetbatch.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/db2jcc.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/jag.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/jagclient.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/jagutils.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/GenCfg.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/jmxremote_optional.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/jmx.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/hadbjdbc4.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/derbyTesting.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/derby.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/derbyLocale_zh_TW.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/derbytools.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/derbyLocale_ko_KR.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/derbyLocale_zh_CN.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/derbyLocale_es.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/derbyLocale_de_DE.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/derbyLocale_ja_JP.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/derbynet.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/derbyLocale_pt_BR.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/derbyclient.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/derbyLocale_fr.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/derbyrun.jar:/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/derbyLocale_it.jar:
> OS name:         Linux
> OS architecture: i386
> OS version:      2.6.9-34.ELsmp
> java.specification.name: Java Platform API Specification
> java.specification.version: 1.6
> --------- Derby Information --------
> JRE - JDBC: Java SE 6 - JDBC 4.0
> [/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/derby.jar] 10.2.0.4 alpha
- (423199)
> [/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/derbytools.jar] 10.2.0.4 alpha
- (423199)
> [/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/derbynet.jar] 10.2.0.4 alpha
- (423199)
> [/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/derbyclient.jar] 10.2.0.4
alpha - (423199)
> [/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/db2jcc_license_c.jar]
2.4 - (17)
> [/export/home/tmp/jagtmp/autoderbyN_regression/install/lib/test/db2jcc.jar] 2.4 - (17)
> ------------------------------------------------------
> ----------------- Locale Information -----------------
> Current Locale :  [English/United States [en_US]]
> Found support for locale: [de_DE]
> 	 version: 10.2.0.4 alpha - (423199)
> Found support for locale: [es]
> 	 version: 10.2.0.4 alpha - (423199)
> Found support for locale: [fr]
> 	 version: 10.2.0.4 alpha - (423199)
> Found support for locale: [it]
> 	 version: 10.2.0.4 alpha - (423199)
> Found support for locale: [ja_JP]
> 	 version: 10.2.0.4 alpha - (423199)
> Found support for locale: [ko_KR]
> 	 version: 10.2.0.4 alpha - (423199)
> Found support for locale: [pt_BR]
> 	 version: 10.2.0.4 alpha - (423199)
> Found support for locale: [zh_CN]
> 	 version: 10.2.0.4 alpha - (423199)
> Found support for locale: [zh_TW]
> 	 version: 10.2.0.4 alpha - (423199)
> ------------------------------------------------------
>            Reporter: Henri van de Scheur
>         Attachments: close.diff, derby1585_v1.diff, derby1585_v1.status
>
>
> ********* Diff file derbyall/derbylang/procedureInTrigger.diff
> *** Start: procedureInTrigger jdk1.6.0-rc derbyall:derbylang 2006-07-19 13:52:20 ***
> 714a715,730
> > ERROR X0X95: Operation 'CREATE TRIGGER' cannot be performed on object 'T1' because
there is an open ResultSet dependent on that object.
> > ij> --- delete a row. check that trigger is fired - procedure should be called
once
> > delete from t1 where i=10;
> > 1 row inserted/updated/deleted
> > ij> --- check delete is successful
> > select * from t1;
> > I          |B              
> > ---------------------------
> > 5          |two            
> > 6          |four           
> > 8          |eight          
> > ij> drop trigger select_from_trig_table;
> > ERROR 42X94: TRIGGER 'SELECT_FROM_TRIG_TABLE' does not exist.
> > ij> --- use procedures which alter/drop trigger table and some other table
> > create trigger alter_table_trig AFTER delete on t1 
> > 	for each STATEMENT mode db2sql call alter_table_proc();
> 716,732d731
> < ij> --- delete a row. check that trigger is fired - procedure should be called
once
> < delete from t1 where i=10;
> < selectRows - 1 arg - 1 rs
> < 1 row inserted/updated/deleted
> < ij> --- check delete is successful
> < select * from t1;
> < I          |B              
> < ---------------------------
> < 5          |two            
> < 6          |four           
> < 8          |eight          
> < ij> drop trigger select_from_trig_table;
> < 0 rows inserted/updated/deleted
> < ij> --- use procedures which alter/drop trigger table and some other table
> < create trigger alter_table_trig AFTER delete on t1 
> < 	for each STATEMENT mode db2sql call alter_table_proc();
> < 0 rows inserted/updated/deleted
> Test Failed.
> *** End:   procedureInTrigger jdk1.6.0-rc derbyall:derbylang 2006-07-19 13:52:34 ***

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