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https://issues.apache.org/jira/browse/DERBY-6376?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13790316#comment-13790316
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Kim Haase commented on DERBY-6376:
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This is very helpful, Knut -- I will work on implementing these changes. Thanks!
It would be good to figure out which additional metadata methods return
Derby-specific columns, if that's possible.
> Revise DatabaseMetaData section of Reference Manual
> ---------------------------------------------------
>
> Key: DERBY-6376
> URL: https://issues.apache.org/jira/browse/DERBY-6376
> Project: Derby
> Issue Type: Improvement
> Components: Documentation
> Affects Versions: 10.10.1.1
> Reporter: Kim Haase
> Priority: Minor
>
> In a comment on DERBY-6369, Knut Anders Hatlen suggests that the topic
> "Parameters to getProcedureColumns"
> (http://db.apache.org/derby/docs/10.10/ref/rrefpgc1.html) might be removed.
> The purpose of the topics under "JDBC Reference" is to provide Derby-specific
> implementation information. In this topic, however, the Derby-specific
> information seems to apply to other methods as well: the information on
> catalogs and the information on name patterns.
> It may be that another topic in the same section,
> "java.sql.DatabaseMetaData.getProcedureColumns method"
> (http://db.apache.org/derby/docs/10.10/ref/rrefgpc1.html), could also be
> removed. Derby presumably supports other DatabaseMetaData methods that are
> not mentioned, such as getFunctionColumns and, more recently, getAttributes
> (of UDTS) and getUDTs. Why mention this one only?
> The topic "Columns in the ResultSet returned by getProcedureColumns"
> (http://db.apache.org/derby/docs/10.10/ref/rrefcrsrgpc1.html) does contain
> Derby-specific information, listing a couple of columns that are not listed
> in the Java SE documentation on this method (see
> http://docs.oracle.com/javase/7/docs/api/java/sql/DatabaseMetaData.html). So
> this topic needs to be retained.
> Some information could be added to the top-level "java.sql.DatabaseMetaData
> interface" topic
> (http://docs.oracle.com/javase/7/docs/api/java/sql/DatabaseMetaData.html)
> about needing to specify null for catalog columns and perhaps about using the
> "%" wildcard to obtain a list of all items in a particular namePattern field.
> Let me know if these changes don't make sense.
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