zstan commented on code in PR #13389:
URL: https://github.com/apache/ignite/pull/13389#discussion_r3862150659
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modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/rel/IgniteNestedLoopJoin.java:
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@@ -88,12 +88,16 @@ public IgniteNestedLoopJoin(RelInput input) {
if (Double.isInfinite(rightCnt))
return costFactory.makeInfiniteCost();
- double rows = leftCnt * rightCnt;
-
double rightSize = rightCnt * getRight().getRowType().getFieldCount()
* IgniteCost.AVERAGE_FIELD_SIZE;
- return costFactory.makeCost(rows,
- rows * (IgniteCost.ROW_COMPARISON_COST +
IgniteCost.ROW_PASS_THROUGH_COST), 0, rightSize, 0);
+ double rowCnt = mq.getRowCount(this);
+
+ RelOptCost cost = costFactory.makeCost(rowCnt,
Review Comment:
Change it, if I correctly understand your idea.
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