lowka commented on code in PR #2443:
URL: https://github.com/apache/ignite-3/pull/2443#discussion_r1299673992
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modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/rel/set/IgniteReduceIntersect.java:
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@@ -34,55 +34,68 @@
* Physical node for REDUCE phase of INTERSECT operator.
*/
public class IgniteReduceIntersect extends IgniteIntersect implements
IgniteReduceSetOp {
+
+ private final int inputsNum;
Review Comment:
This parameter is used by self cost estimation and we can not deduce it from
the input relation, as there are no guarantees that there is no intermediate
operators between `map` and `reduce` phases inserted by the optimiser.
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