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Posted to issues@calcite.apache.org by "Julian Hyde (JIRA)" <ji...@apache.org> on 2014/11/14 23:01:34 UTC

[jira] [Resolved] (CALCITE-460) Add ImmutableBitSet and replace uses of BitSet

     [ https://issues.apache.org/jira/browse/CALCITE-460?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Julian Hyde resolved CALCITE-460.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 1.0.0-incubating

Fixed in http://git-wip-us.apache.org/repos/asf/incubator-calcite/commit/b9d8de38d2aa4ee6791aec42ffe2adb58942060a.

> Add ImmutableBitSet and replace uses of BitSet
> ----------------------------------------------
>
>                 Key: CALCITE-460
>                 URL: https://issues.apache.org/jira/browse/CALCITE-460
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: Julian Hyde
>            Assignee: Julian Hyde
>             Fix For: 1.0.0-incubating
>
>
> Calcite makes heavy use of bit sets. java.util.BitSet has a convenient API but (a) is mutable, (b) uses quite a lot of memory, (c) is not iterable.
> Propose to implement ImmutableBitSet, which addresses those deficiencies.



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