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https://issues.apache.org/jira/browse/DERBY-673?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13693050#comment-13693050
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Knut Anders Hatlen commented on DERBY-673:
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The patch looks like a good improvement. Some minor comments:
- The first occurrence of "is" should be removed from the javadoc for
CompilerContextImpl's constructor .
- In FromList.addFromTable(), why did the call to addElement(fromTable) have to
be qualified with "super"?
- Perhaps add braces around the body of the first loop in
FromList.returnsAtMostSingleRow().
> Get rid of the NodeFactory
> --------------------------
>
> Key: DERBY-673
> URL: https://issues.apache.org/jira/browse/DERBY-673
> Project: Derby
> Issue Type: Improvement
> Components: SQL
> Reporter: Rick Hillegas
> Assignee: Dag H. Wanvik
> Attachments: derby-673-1.diff.gz, derby-673-1.status,
> derby-673-2.diff.gz, derby-673-2.status, derby-673-3.diff.gz,
> derby-673-3.status, derby-673-fixcomments.diff,
> derby-673-typesafe-lists-1.diff, derby-673-typesafe-lists-1.status,
> nodefactory-31.status, nodefactory-31.zip
>
>
> This piece of code once had a purpose in life. It was one of the
> double-joints which allowed cloudscape to ship with and without compiler
> support for the synchronization language. Synchronization has been removed.
> If we want to plug in optional language components, I think there are better
> ways to do this.
> The NodeFactory turned into a big, sprawling piece of code. At some point
> this code was slimmed down by telescoping all of its factory methods into a
> couple unwieldly, weakly-typed overloads backed by cumbersome logic in the
> actual node constructors. I would like to reintroduce strongly typed node
> constructors which the parser can call directly. This will make node
> generation easier to read and less brittle and it will get rid of the now
> useless NodeFactory class.
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