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Posted to derby-dev@db.apache.org by "Knut Anders Hatlen (JIRA)" <ji...@apache.org> on 2011/03/25 15:45:05 UTC
[jira] [Resolved] (DERBY-5021) [patch] avoid map look ups in a loop
by using entrySet
[ https://issues.apache.org/jira/browse/DERBY-5021?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Knut Anders Hatlen resolved DERBY-5021.
---------------------------------------
Resolution: Fixed
Assignee: Dave Brosius
Issue & fix info: (was: [Patch Available])
After DERBY-5143 we don't need the changes in EmbedConnection40 and NetConnection40 that reintroduced the compiler warnings. I removed the changes in those two files from the patch and committed revision 1085409. Thanks, Dave!
> [patch] avoid map look ups in a loop by using entrySet
> ------------------------------------------------------
>
> Key: DERBY-5021
> URL: https://issues.apache.org/jira/browse/DERBY-5021
> Project: Derby
> Issue Type: Improvement
> Components: Network Server
> Affects Versions: 10.7.1.1
> Reporter: Dave Brosius
> Assignee: Dave Brosius
> Priority: Trivial
> Fix For: 10.8.0.0
>
> Attachments: use_entryset_iterators.diff
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> various places code walks a keyset iterator in a loop and each time thru the loop does a map lookup for the value based on the current key. Avoid the map look ups by just iterating with an entry set iterator.
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