[iotdb] 08/08: fix outputPointReaders construction

[rong]

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rong pushed a commit to branch trasnsform-operator-bugfix
in repository https://gitbox.apache.org/repos/asf/iotdb.git

commit e4f52ad0b55d8be9f8e8b1e80827f14972af2019
Author: Steve Yurong Su <r...@apache.org>
AuthorDate: Mon May 16 12:16:19 2022 +0800

    fix outputPointReaders construction
---
 .../org/apache/iotdb/db/query/udf/core/layer/EvaluationDAGBuilder.java | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git 
a/server/src/main/java/org/apache/iotdb/db/query/udf/core/layer/EvaluationDAGBuilder.java
 
b/server/src/main/java/org/apache/iotdb/db/query/udf/core/layer/EvaluationDAGBuilder.java
index 003447f0e4..d083191b34 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/query/udf/core/layer/EvaluationDAGBuilder.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/query/udf/core/layer/EvaluationDAGBuilder.java
@@ -68,8 +68,7 @@ public class EvaluationDAGBuilder {
     this.typeProvider = typeProvider;
     this.udtfContext = udtfContext;
 
-    int size = inputLayer.getInputColumnCount();
-    outputPointReaders = new LayerPointReader[size];
+    outputPointReaders = new LayerPointReader[outputExpressions.length];
 
     memoryAssigner = new LayerMemoryAssigner(memoryBudgetInMB);