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Posted to issues@calcite.apache.org by "Julian Hyde (JIRA)" <ji...@apache.org> on 2015/02/08 09:56:37 UTC

[jira] [Closed] (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 closed CALCITE-460.
-------------------------------

Closing now that 1.0.0-incubating has been released.

> 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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