chunweilei commented on a change in pull request #1678: [CALCITE-3618]
WindowedAggRelSplitter - correct isDependent() checking
URL: https://github.com/apache/calcite/pull/1678#discussion_r360355922
##########
File path:
core/src/main/java/org/apache/calcite/rel/rules/ProjectToWindowRule.java
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@@ -336,7 +336,7 @@ private boolean isDependent(final DirectedGraph<Integer,
DefaultEdge> graph,
visited.add(source);
for (DefaultEdge e : graph.getOutwardEdges(source)) {
int target = (int) e.target;
- if (rank.get(target) < rank.get(ordinal1)) {
+ if (rank.get(target) <= rank.get(ordinal1)) {
dfs.push(target);
Review comment:
Good catch~
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