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https://issues.apache.org/jira/browse/DERBY-7121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Walter Weinmann updated DERBY-7121:
-----------------------------------
Description:
I try to drop the FOREIGN KEY, PRIMARY KEY and UNIQUE KEY constraints before
the INSERT. To do this, I use the DatabaseMetaData class from JDBC. When
dropping the UNIQUE KEY I get the following error message:
{{java.sql.SQLSyntaxErrorException: ALTER TABLE failed. There is no constraint
'KXN_SCHEMA.SQL00000166-6f554487-017a-f4fd-c9dc-000016e126' on table
'"KXN_SCHEMA". "COUNTRY_STATE"'.}}
Details about the error and the database environment can be found in the
attached PDF document.
was:
I try to drop the FOREIGN KEY, PRIMARY KEY and UNIQUE KEY constraints before
the INSERT. To do this, I use the DatabaseMetaData class from JDBC. When
dropping the UNIQUE KEY I get the following error message:
{{java.sql.SQLSyntaxErrorException: ALTER TABLE failed. There is no constraint
'KXN_SCHEMA.SQL00000166-6f554487-017a-f4fd-c9dc-000016e126' on table
'"KXN_SCHEMA". "COUNTRY_STATE"'.}}
Details about the error and the database environment can be found in the
attached PDF document.
Translated with www.DeepL.com/Translator (free version)
> DROP UNIQUE KEY not working
> ---------------------------
>
> Key: DERBY-7121
> URL: https://issues.apache.org/jira/browse/DERBY-7121
> Project: Derby
> Issue Type: Bug
> Components: JDBC
> Affects Versions: 10.15.2.0
> Environment: Own Docker Image based on Ubuntu 20.04, please see here:
> https://hub.docker.com/repository/docker/konnexionsgmbh/apache_derby
> Reporter: Walter Weinmann
> Priority: Major
> Attachments: IssueApacheDerby.pdf
>
>
> I try to drop the FOREIGN KEY, PRIMARY KEY and UNIQUE KEY constraints before
> the INSERT. To do this, I use the DatabaseMetaData class from JDBC. When
> dropping the UNIQUE KEY I get the following error message:
> {{java.sql.SQLSyntaxErrorException: ALTER TABLE failed. There is no
> constraint 'KXN_SCHEMA.SQL00000166-6f554487-017a-f4fd-c9dc-000016e126' on
> table '"KXN_SCHEMA". "COUNTRY_STATE"'.}}
> Details about the error and the database environment can be found in the
> attached PDF document.
>
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