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Ruben Quesada Lopez commented on CALCITE-2621: ---------------------------------------------- Modification pushed, test also included > New rule: SemiJoinToCorrelateRule (SemiJoin => LogicalCorrelate) > ---------------------------------------------------------------- > > Key: CALCITE-2621 > URL: https://issues.apache.org/jira/browse/CALCITE-2621 > Project: Calcite > Issue Type: Improvement > Reporter: Ruben Quesada Lopez > Assignee: Julian Hyde > Priority: Major > Fix For: 1.18.0 > > > Similarly to JoinToCorrelateRule, in some contexts it might be interesting to > transform a SemiJoin into a LogicalCorrelate, for this purpose a > SemiJoinToCorrelateRule will be needed. > This feature requires the fix CALCITE-2605, otherwise we would get an > exception in EnumerableCorrelate#implement when trying to generate the > Expression selector: > {code} > Caused by: java.lang.IllegalStateException: Unable to convert SEMI to > JoinRelType > at org.apache.calcite.sql.SemiJoinType.toJoinType(SemiJoinType.java:83) > at > org.apache.calcite.adapter.enumerable.EnumerableCorrelate.implement(EnumerableCorrelate.java:103) > ... > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)