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https://issues.apache.org/jira/browse/CALCITE-3773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17031355#comment-17031355
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Ruben Q L commented on CALCITE-3773:
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Exactly, [~amaliujia]
> Wrong parameter in EnumerableMergeJoin::create method
> -----------------------------------------------------
>
> Key: CALCITE-3773
> URL: https://issues.apache.org/jira/browse/CALCITE-3773
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.21.0
> Reporter: Ruben Q L
> Assignee: Ruben Q L
> Priority: Trivial
> Labels: pull-request-available
> Fix For: 1.22.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The public {{EnumerableMergeJoin::create}} method takes a {{RexLiteral}}
> condition as parameter:
> {code}
> public static EnumerableMergeJoin create(
> RelNode left, RelNode right,
> RexLiteral condition, // here!
> ImmutableIntList leftKeys, ImmutableIntList rightKeys, JoinRelType
> joinType) {
> ...
> }
> {code}
> However, in the actual (package-private) constructor (and in the parent
> {{Join}} class), the condition is defined as a {{RexNode}}:
> {code}
> EnumerableMergeJoin(
> RelOptCluster cluster,
> RelTraitSet traits,
> RelNode left,
> RelNode right,
> RexNode condition, // here!
> Set<CorrelationId> variablesSet,
> JoinRelType joinType) {
> ...
> }
> {code}
> Therefore, the {{create}} method parameter must be fixed.
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