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https://issues.apache.org/jira/browse/DERBY-3300?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kathey Marsden updated DERBY-3300:
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Issue & fix info: [Repro attached]
Urgency: Normal
Triaged for 10.5.2 . Set Urgency Normal
> CREATE INDEX that matches an existing index succeeds with a 01504 warning but
> does not create the index.
> --------------------------------------------------------------------------------------------------------
>
> Key: DERBY-3300
> URL: https://issues.apache.org/jira/browse/DERBY-3300
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.3.1.4, 10.3.2.1
> Reporter: Daniel John Debrunner
> Priority: Minor
>
> Since CREATE INDEX statement succeeds the index should be created, the
> warning is useful but doesn't imply the index was not created.
> Derby allows a single physical index to support multiple logical indexes so
> allowing the index to be created should be fine.
> ij> create table t(i int);
> 0 rows inserted/updated/deleted
> ij> create index ti1 on t(i);
> 0 rows inserted/updated/deleted
> ij> create index ti2 on t(i);
> 0 rows inserted/updated/deleted
> WARNING 01504: The new index is a duplicate of an existing index: TI1.
> ij> drop index ti2;
> ERROR 42X65: Index 'TI2' does not exist.
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