Xiao Li created SPARK-24696:
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Summary: 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
{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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