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https://issues.apache.org/jira/browse/DERBY-3069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rick Hillegas updated DERBY-3069:
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Attachment: derby-3069-01-varargs-ab.diff
Attaching a second rev of this patch: derby-3069-01-varargs-ab.diff. This fixes
a corner case in the previous rev: In Java 5, a no argument invocation of a
method can end up bound to a varargs overload. So, for instance, if you declare
public static String sampleVarargs( String... args )
then, barring an ambiguity, the following invocation will resolve to it:
stringResult = sampleVarargs();
This patch lets you bind no-arg functions/procedures to vararg static public
methods.
> Derby does not resolve functions bound to methods with varargs.
> ---------------------------------------------------------------
>
> Key: DERBY-3069
> URL: https://issues.apache.org/jira/browse/DERBY-3069
> Project: Derby
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 10.0.2.0, 10.0.2.1, 10.1.1.0, 10.1.2.1, 10.1.3.1,
> 10.2.1.6, 10.2.2.0, 10.3.1.4
> Reporter: Rick Hillegas
> Assignee: Rick Hillegas
> Attachments: derby-3069-01-varargs-aa.diff,
> derby-3069-01-varargs-ab.diff, z.java, z.sql
>
>
> Varargs were added in Java 5. It would be nice if Derby let you invoke a
> function bound to a method with a variable length argument list. The
> Reference Guide states a small number of restrictions for methods which can
> be invoked as Derby functions: They must be public, static, and not have
> arguments which are long datatypes. I see no reason that Derby shouldn't be
> able to resolve and invoke functions which are bound to methods which don't
> suffer these limitations but which have variable argument lists.
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