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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CAY-2021) cdbimport: detect when same FK constraint is defined twice
Date Fri, 07 Apr 2017 14:17:41 GMT

    [ https://issues.apache.org/jira/browse/CAY-2021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15960865#comment-15960865
] 

ASF GitHub Bot commented on CAY-2021:
-------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/cayenne/pull/187


> cdbimport: detect when same FK constraint is defined twice
> ----------------------------------------------------------
>
>                 Key: CAY-2021
>                 URL: https://issues.apache.org/jira/browse/CAY-2021
>             Project: Cayenne
>          Issue Type: Improvement
>         Environment: MySQL 5.6.13-enterprise-commercial-advanced
> Cayenne 4.0.M3 custom build from rev 0ac54cb
>            Reporter: Andrus Adamchik
>            Assignee: Nikita Timofeev
>            Priority: Trivial
>
> I have a table that defines two constraints over the same exact FK/PK pair (this was
by mistake, and I have cleaned it up since, but never the less, MySQL treats this as a valid
definition) :
> CREATE TABLE `origin` (
>   `ID` int(11) unsigned NOT NULL AUTO_INCREMENT,
>   `A2_TEAM_ID` int(11) unsigned DEFAULT NULL,
>   PRIMARY KEY (`ID`),
>   UNIQUE KEY `NAME` (`NAME`),
>   KEY `A2_TEAM_ID` (`A2_TEAM_ID`),
>   CONSTRAINT `origin_ibfk_1` FOREIGN KEY (`A2_TEAM_ID`) REFERENCES `a2_team` (`ID`),
>   CONSTRAINT `FK_ORIGIN_TO_TEAM` FOREIGN KEY (`A2_TEAM_ID`) REFERENCES `a2_team` (`ID`)
> ) ENGINE=InnoDB AUTO_INCREMENT=175 DEFAULT CHARSET=utf8
> When doing cdbimport from Maven, I got the following exception in the logs:
> [ERROR] Migration Error. Can't apply changes from token: Add Relationship (a2Team origin->a2_team.{ID,
ID})
> java.lang.IllegalArgumentException: An attempt to override relationship 'a2Team'
> 	at org.apache.cayenne.map.Entity.addRelationship(Entity.java:193)
> 	at org.apache.cayenne.merge.AddRelationshipToModel.execute(AddRelationshipToModel.java:43)
> 	at org.apache.cayenne.tools.dbimport.DbImportAction.execute(DbImportAction.java:218)
> 	at org.apache.cayenne.tools.dbimport.DbImportAction.execute(DbImportAction.java:118)
> 	at org.apache.cayenne.tools.DbImporterMojo.execute(DbImporterMojo.java:257)
> 	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:106)
> 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
> [INFO] Migration Complete.
> [WARNING] Migration finished. The following problem(s) were ignored.
> [WARNING] Validation failure for java.lang.IllegalArgumentException: Migration Error.
Can't apply changes from token: Add Relationship (a2Team origin->a2_team.{ID, ID})
> So the exception was caught and the build ultimately succeeded, but the stack trace in
the default Maven log made me think there was something wrong with the build. Perhaps we reduce
the log level for the stack trace to DEBUG. The WARNING after it should be enough.
> So perhaps we don't log the stack trace in this situation 



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