wsjz commented on code in PR #27154:
URL: https://github.com/apache/doris/pull/27154#discussion_r1405548479
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fe/be-java-extensions/max-compute-scanner/src/main/java/org/apache/doris/maxcompute/MaxComputeJniScanner.java:
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@@ -173,6 +173,11 @@ public void open() throws IOException {
.collect(Collectors.toSet());
List<Column> maxComputeColumns = new ArrayList<>(readColumns);
maxComputeColumns.removeIf(e ->
partitionColumns.contains(e.getName()));
+ if (maxComputeColumns.isEmpty() && !partitionColumns.isEmpty()) {
Review Comment:
A select list contains columns and partition columns, we know columns can be
empty.
so if use count(*), maxComputeColumns can be empty，but partitionColumns not.
Rename to pushDownColumns
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