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https://issues.apache.org/jira/browse/SPARK-24696?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Xiao Li reassigned SPARK-24696:
-------------------------------
Assignee: Maryann Xue
> ColumnPruning rule fails to remove extra Project
> ------------------------------------------------
>
> Key: SPARK-24696
> URL: https://issues.apache.org/jira/browse/SPARK-24696
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.3.1
> Reporter: Xiao Li
> Assignee: Maryann Xue
> Priority: Major
>
> {code}
> test("optimization infinite loop") {
> withTempDir { dir =>
> val path = dir.getCanonicalPath
> import testImplicits._
> Seq((3, "a")).toDF("id",
> "value").write.format("parquet").mode("overwrite").save(path)
> import org.apache.spark.sql.functions.udf
> val filterIt = udf((value: Int) => value > 0).asNondeterministic
> spark.read.load(path)
> .where(filterIt('id))
> .where('id < 0)
> .select('id)
> .collect
> }
> }
> {code}
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