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From "Teresa Kan (JIRA)" <>
Subject [jira] Commented: (OPENJPA-399) openjpa did not handle multiple schema names with same table name
Date Fri, 12 Oct 2007 21:17:50 GMT


Teresa Kan commented on OPENJPA-399:

Thanks for the comments. I fixed the code based on your comments. However, I can't determine
the configuration error because I can't tell whether the null schema is valid or not. 

For the question about HashMap, yes, HashMap can handle the null key . Here is the info from
java doc:
"Hash table based implementation of the Map interface. This implementation provides all of
the optional map operations, and permits null values and the null key"

For the last question about the logic in SchemaGroup.findTable and findSequence. It is not
necessary to combine them together since they have different return object. Instead of adding
more checking in a common method, the current way may be ok..

> openjpa did not handle multiple schema names with same table name
> -----------------------------------------------------------------
>                 Key: OPENJPA-399
>                 URL:
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: jdbc
>    Affects Versions: 1.0.1
>         Environment: JDK1.5, OPENJPA verison 580425
>            Reporter: Teresa Kan
>            Assignee: Teresa Kan
>         Attachments: OPENJPA_399.patch, OPENJPA_399_2.patch,
> Two entities have the same table name but with different schema, only one table is created.
In addition, when two entities use the generatedType.AUTO for ID, only one OPENJPA_SEQUENCE-TABLE
is created.
> The problem due to the SchemaGroup.findTable() which only looked for a table name from
all the schemas. Once the table was found in one of the schema then it exited and assumed
that the table existed. Same problem in the TableJDBCSeq.addSchema().

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