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https://issues.apache.org/jira/browse/CALCITE-4188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17258257#comment-17258257
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Stamatis Zampetakis commented on CALCITE-4188:
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[~rubenql] I think that EnumerableCorrelate over JDBC is not supported at the
moment. From my understanding so far this PR tries to solve external
correlation (batch or simple) by transforming to dynamic params.
> support EnumerableBatchNestedLoopJoin in JdbcToEnumerableConverter implement
> ----------------------------------------------------------------------------
>
> Key: CALCITE-4188
> URL: https://issues.apache.org/jira/browse/CALCITE-4188
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Affects Versions: 1.25.0
> Reporter: JIasen Sheng
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> support EnumerableBatchNestedLoopJoin in JdbcToEnumerableConverter implement
> function
> ENUMERABLE_BATCH_NESTED_LOOP_JOIN_RULE make correlate RexNode,
> when implementing,
> [https://github.com/apache/calcite/blob/eab043f4ef43112c16a9f6708e6c53a15b1cfbe0/core/src/main/java/org/apache/calcite/rel/rel2sql/SqlImplementor.java#L675]
> will throw null Exception
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