julianhyde commented on a change in pull request #1112: [CALCITE-2930]
FilterCorrelateRule on a Correlate with SemiJoinType SEMI (or ANTI) throws
IllegalStateException (Ruben Quesada Lopez)
URL: https://github.com/apache/calcite/pull/1112#discussion_r267501288
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File path: core/src/main/java/org/apache/calcite/plan/RelOptUtil.java
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@@ -2380,6 +2381,8 @@ public static boolean classifyFilters(
joinRel.getInputs().get(1).getRowType().getFieldList();
final int nFieldsRight = rightFields.size();
assert nTotalFields == (joinRel instanceof SemiJoin
Review comment:
(I just discovered that `Correlate`, which is neither a Join nor a SemiJoin,
uses `SemiJoinType`, but `SemiJoin` does not use `SemiJoinType`. Yuck.)
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