zabetak 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_r270784670
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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:
Fine by me although I have a small remark. The way you modified the code
right now the if statements are going to be executed even if assertions are
disabled. I don't know if JIT is intelligent enough to remove entirely the
redundant if but I don't think we should rely on that. Furthemore, to make it
more readable you could possibly extra the check into a method, but feel free
to modify as you see fit I don't feel strongly about it.
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