gparai commented on a change in pull request #1775: DRILL-7227: Fix predicate
check in DrillRelOptUtil.analyzeSimpleEquiJoin
URL: https://github.com/apache/drill/pull/1775#discussion_r280181080
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/planner/cost/DrillRelMdDistinctRowCount.java
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@@ -180,7 +180,7 @@ private Double getDistinctRowCountInternal(TableScan scan,
RelMetadataQuery mq,
}
}
s = Math.min(s, rowCount);
- if (!allCols) {
+ if (s == 1.0 && !allColsHaveNDV) {
Review comment:
Renamed the variable to avoid confusion
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