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From "Rick Hillegas (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-3069) Derby does not resolve functions bound to methods with varargs.
Date Tue, 18 Dec 2012 20:28:12 GMT

     [ https://issues.apache.org/jira/browse/DERBY-3069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Rick Hillegas updated DERBY-3069:

    Attachment: derby-3069-07-aa-datatypeTests.diff

Attaching derby-3069-07-aa-datatypeTests.diff. This patch adds varargs tests for args of all
possible datatypes and for legal coercions to those datatypes. This patch also makes one functional
change, making sure that table functions are not created with parameter style DERBY.

Touches the following files:


M       java/engine/org/apache/derby/impl/sql/compile/sqlgrammar.jj

Prevent table functions from being created with parameter style DERBY.


M       java/testing/org/apache/derbyTesting/functionTests/tests/lang/VarargsRoutines.java
M       java/testing/org/apache/derbyTesting/functionTests/tests/lang/VarargsTest.java

Additional test cases.

> 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:,,,,,,,
>            Reporter: Rick Hillegas
>            Assignee: Rick Hillegas
>              Labels: derby_triage10_10
>         Attachments: derby-3069-01-varargs-aa.diff, derby-3069-01-varargs-ab.diff, derby-3069-02-backout.diff,
derby-3069-03-aa-varargsSyntax.diff, derby-3069-03-ab-varargsSyntax.diff, derby-3069-04-aa-shortenRoutineNamesInUpgradeTest.diff,
derby-3069-05-aa-executeVarargs.diff, derby-3069-06-ab-fixBugs.diff, derby-3069-07-aa-datatypeTests.diff,
Varargs.html, 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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