Jacques Nadeau created DRILL-3011:
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Summary: Make Prel.copy abstract and implement for all nodes
Key: DRILL-3011
URL: https://issues.apache.org/jira/browse/DRILL-3011
Project: Apache Drill
Issue Type: Bug
Components: Query Planning & Optimization
Reporter: Jacques Nadeau
Assignee: Mehant Baid
Fix For: 1.0.0
There is currently an issue where inherit copy() from BaseRelNode. Late in our
planning process, we attempt to uniqify the graph to ensure that no nodes have
the same identifier. However, the fact that we aren't implementing copy means
that we have issues uniqifying. We should add the following method to the Prel
interface and then implement all required implementations.
public abstract Prel copy(RelTraitSet paramRelTraitSet, List<RelNode>
paramList);
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