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https://issues.apache.org/jira/browse/CALCITE-2895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16785458#comment-16785458
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Chunwei Lei commented on CALCITE-2895:
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I have created a pull request: https://github.com/apache/calcite/pull/1088.
> Some arguments are undocumented in constructor of LogicalAggregate
> ------------------------------------------------------------------
>
> Key: CALCITE-2895
> URL: https://issues.apache.org/jira/browse/CALCITE-2895
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Chunwei Lei
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> There are some undocumented arguments in constructor of LogicalAggregate,
> including traitSet and indicator.
> {code:java}
> /**
> * Creates a LogicalAggregate.
> *
> * <p>Use {@link #create} unless you know what you're doing.
> *
> * @param cluster Cluster that this relational expression belongs to
> * @param child input relational expression
> * @param groupSet Bit set of grouping fields
> * @param groupSets Grouping sets, or null to use just {@code groupSet}
> * @param aggCalls Array of aggregates to compute, not null
> */
> public LogicalAggregate(
> RelOptCluster cluster,
> RelTraitSet traitSet,
> RelNode child,
> boolean indicator,
> ImmutableBitSet groupSet,
> List<ImmutableBitSet> groupSets,
> List<AggregateCall> aggCalls) {
> super(cluster, traitSet, child, indicator, groupSet, groupSets, aggCalls);
> }
> {code}
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