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Posted to issues@calcite.apache.org by "Jiatao Tao (Jira)" <ji...@apache.org> on 2020/10/27 13:19:00 UTC
[jira] [Closed] (CALCITE-4359) EnumerableProject.create didn't
consider input's traitSet
[ https://issues.apache.org/jira/browse/CALCITE-4359?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jiatao Tao closed CALCITE-4359.
-------------------------------
Resolution: Not A Problem
> EnumerableProject.create didn't consider input's traitSet
> ---------------------------------------------------------
>
> Key: CALCITE-4359
> URL: https://issues.apache.org/jira/browse/CALCITE-4359
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Jiatao Tao
> Assignee: Jiatao Tao
> Priority: Major
>
> {code:java}
> /** Creates an EnumerableProject, specifying row type rather than field
> * names. */
> public static EnumerableProject create(final RelNode input,
> final List<? extends RexNode> projects, RelDataType rowType) {
> final RelOptCluster cluster = input.getCluster();
> final RelMetadataQuery mq = cluster.getMetadataQuery();
> final RelTraitSet traitSet =
> cluster.traitSet().replace(EnumerableConvention.INSTANCE)
> .replaceIfs(RelCollationTraitDef.INSTANCE,
> () -> RelMdCollation.project(mq, input, projects));
> return new EnumerableProject(cluster, traitSet, input, projects, rowType);
> }
> {code}
> Code uses "cluster.traitSet()", but RelOptCluster#traitSet returns emptyTraitSet, should use input#getTraitSet, please tell me if i am wrong
>
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