[jira] [Created] (SPARK-54749) Fix incorrect numOutputRows metric in OneRowRelationExec

["Fu Chen (Jira)" <ji...@apache.org>]

Fu Chen created SPARK-54749:
-------------------------------

             Summary: Fix incorrect numOutputRows metric in OneRowRelationExec
                 Key: SPARK-54749
                 URL: https://issues.apache.org/jira/browse/SPARK-54749
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 4.1.0
            Reporter: Fu Chen


{code:java}
WARNING: Using incubator modules: jdk.incubator.vector
Using Spark's default log4j profile: org/apache/spark/log4j2-defaults.properties
Setting default log level to "WARN".
To adjust logging level use sc.setLogLevel(newLevel). For SparkR, use setLogLevel(newLevel).
Welcome to
      ____              __
     / __/__  ___ _____/ /__
    _\ \/ _ \/ _ `/ __/  '_/
   /___/ .__/\_,_/_/ /_/\_\   version 4.1.0
      /_/Using Scala version 2.13.17 (OpenJDK 64-Bit Server VM, Java 17.0.17)
Type in expressions to have them evaluated.
Type :help for more information.
25/12/18 12:40:43 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
Spark context Web UI available at http://10.27.36.96:4040
Spark context available as 'sc' (master = local[*], app id = local-1766032843888).
Spark session available as 'spark'.scala> spark.sql("select 1 as c1").show
warning: 1 deprecation (since 2.13.3); for details, enable `:setting -deprecation` or `:replay -deprecation`
+---+
| c1|
+---+
|  1|
+---+ {code}
!image-2025-12-18-12-42-23-554.png!

the expected metrics `number of output rows` should be 1



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