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Posted to issues@calcite.apache.org by "Julian Hyde (JIRA)" <ji...@apache.org> on 2016/08/02 04:17:20 UTC
[jira] [Updated] (CALCITE-1337) Lazy evaluate RexCall digests
[ https://issues.apache.org/jira/browse/CALCITE-1337?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Julian Hyde updated CALCITE-1337:
---------------------------------
Attachment: p.patch
Can you add a stress test (see attached patch).
> Lazy evaluate RexCall digests
> -----------------------------
>
> Key: CALCITE-1337
> URL: https://issues.apache.org/jira/browse/CALCITE-1337
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: Ted Xu
> Assignee: Julian Hyde
> Fix For: 1.8.0
>
> Attachments: p.patch
>
>
> Currently RexCall compute digests eagerly in its constructor, also, it compute digest every time when toString invoked. It may cause performance issue when the RexCall tree is very large.
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