xy2953396112 commented on a change in pull request #1972:
URL: https://github.com/apache/calcite/pull/1972#discussion_r425749953
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File path: core/src/main/java/org/apache/calcite/rel/metadata/RelMdRowCount.java
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@@ -108,7 +108,11 @@ public Double getRowCount(Intersect rel, RelMetadataQuery
mq) {
rowCount = partialRowCount;
}
}
- return rowCount;
+ if (!rel.all) {
+ return rowCount;
+ } else {
+ return rowCount * 2;
Review comment:
@chunwei Is there any problems here ?
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