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Posted to issues@calcite.apache.org by "Jiatao Tao (Jira)" <ji...@apache.org> on 2020/10/27 13:00:00 UTC
[jira] [Created] (CALCITE-4359) EnumerableProject.create didn't
consider input's traitSet
Jiatao Tao created CALCITE-4359:
-----------------------------------
Summary: 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
{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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