Changgyoo Park created SPARK-51601:
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Summary: Chained union/withColumn expressions slow down query
analysis
Key: SPARK-51601
URL: https://issues.apache.org/jira/browse/SPARK-51601
Project: Spark
Issue Type: Improvement
Components: Connect
Affects Versions: 4.1.0
Reporter: Changgyoo Park
Example.
```scala
import org.apache.spark.sql.functions.col
var df = sql("select id from range(16)")
for (i <- 0 until 1024) {
df = df.withColumn(s"id$i", col("id") + 1)
}
```
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