(doris) 04/07: [fix](Nereids) empty set handle in fe should use result output (#34676)

[yiguolei]

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yiguolei pushed a commit to branch branch-2.1
in repository https://gitbox.apache.org/repos/asf/doris.git

commit d6f300ec62fed25f6ff931e5036084d52a9fdc37
Author: morrySnow <101034200+morrys...@users.noreply.github.com>
AuthorDate: Sat May 11 10:38:12 2024 +0800

    [fix](Nereids) empty set handle in fe should use result output (#34676)
---
 fe/fe-core/src/main/java/org/apache/doris/nereids/NereidsPlanner.java | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git 
a/fe/fe-core/src/main/java/org/apache/doris/nereids/NereidsPlanner.java 
b/fe/fe-core/src/main/java/org/apache/doris/nereids/NereidsPlanner.java
index 99aa6ed73a1..6f65ee9538c 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/NereidsPlanner.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/NereidsPlanner.java
@@ -570,8 +570,7 @@ public class NereidsPlanner extends Planner {
             return Optional.of(resultSet);
         } else if (child instanceof PhysicalEmptyRelation) {
             List<Column> columns = Lists.newArrayList();
-            PhysicalEmptyRelation physicalEmptyRelation = 
(PhysicalEmptyRelation) physicalPlan.child(0);
-            for (int i = 0; i < physicalEmptyRelation.getProjects().size(); 
i++) {
+            for (int i = 0; i < physicalPlan.getOutput().size(); i++) {
                 NamedExpression output = physicalPlan.getOutput().get(i);
                 columns.add(new Column(output.getName(), 
output.getDataType().toCatalogDataType()));
             }


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