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Posted to issues@calcite.apache.org by "Julian Hyde (JIRA)" <ji...@apache.org> on 2017/01/04 19:33:58 UTC
[jira] [Commented] (CALCITE-1543) Correlated scalar sub-query with
multiple aggregates gives AssertionError
[ https://issues.apache.org/jira/browse/CALCITE-1543?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15799133#comment-15799133 ]
Julian Hyde commented on CALCITE-1543:
--------------------------------------
Looks good; I have merged to my master branch and will push to Apache master after 1.11 is released.
> Correlated scalar sub-query with multiple aggregates gives AssertionError
> -------------------------------------------------------------------------
>
> Key: CALCITE-1543
> URL: https://issues.apache.org/jira/browse/CALCITE-1543
> Project: Calcite
> Issue Type: Bug
> Reporter: Kurt Young
> Assignee: Julian Hyde
> Fix For: 1.12.0
>
>
> Caused by: java.lang.AssertionError at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:456)
> The code is:
> {code}
> final Frame frame = getInvoke(oldInput, rel);
> if (frame == null) {
> // If input has not been rewritten, do not rewrite this rel.
> return null;
> }
> assert !frame.corVarOutputPos.isEmpty();
> {code}
> Seems like it's no need to assert the corVarOutputPos because in some cases, the correlate has been fully rewritten.
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