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Posted to issues@calcite.apache.org by "Vladimir Sitnikov (JIRA)" <ji...@apache.org> on 2018/10/24 18:54:00 UTC
[jira] [Resolved] (CALCITE-2404) Accessing structured-types is not
implemented by the runtime
[ https://issues.apache.org/jira/browse/CALCITE-2404?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vladimir Sitnikov resolved CALCITE-2404.
----------------------------------------
Resolution: Fixed
Fix Version/s: 1.18.0
Merged in https://git-wip-us.apache.org/repos/asf?p=calcite.git;a=commit;h=ae63f9c28c69bad135f4ebbe0086e4f09b6f58ab
> Accessing structured-types is not implemented by the runtime
> ------------------------------------------------------------
>
> Key: CALCITE-2404
> URL: https://issues.apache.org/jira/browse/CALCITE-2404
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.17.0
> Reporter: Stamatis Zampetakis
> Assignee: Julian Hyde
> Priority: Blocker
> Fix For: 1.18.0
>
>
> Queries on tables containing structured types cannot be executed by the Calcite runtime. A plan like the one that follows (taken from CALCITE-2220) can be translated to neither Bindable nor EnumerableConvention.
>
> {noformat}
> LogicalProject(EXPR$0=[$0])
> LogicalProject(EXPR$0$0=[ITEM($6, 1).EMPNO], EXPR$0$1=[ITEM($6, 1).ENAME], EXPR$0$2=[ITEM($6, 1).DETAIL])
> LogicalProject(DEPTNO=[$0], NAME=[$1], TYPE=[$2.TYPE], DESC=[$2.DESC], A=[$2.OTHERS.A], B=[$2.OTHERS.B], EMPLOYEES=[$3])
> LogicalTableScan(table=[[CATALOG, SALES, DEPT_NESTED]])
> {noformat}
>
> More precisely, if a logical plan contains a RexFieldAccess expression that does not refer to a RexCorrelVariable it cannot be handled by the RexToLixTranslator. The translation will fail when calling
> [RexToLixTranslator#translate0|[https://github.com/apache/calcite/blob/5bbc501a565494442784f65870a20cd65a5016f4/core/src/main/java/org/apache/calcite/adapter/enumerable/RexToLixTranslator.java#L686]].
>
>
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