Kousuke Saruta created SPARK-35421:
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Summary: Remove redundant ProjectExec from streaming queries with
V2Relation
Key: SPARK-35421
URL: https://issues.apache.org/jira/browse/SPARK-35421
Project: Spark
Issue Type: Improvement
Components: Structured Streaming
Affects Versions: 3.2.0
Reporter: Kousuke Saruta
Assignee: Kousuke Saruta
Streaming queries with V2Relation can have redundant ProjectExec in it's
physical plan.
You can easily reproduce with the following code.
{code}
import org.apache.spark.sql.streaming.Trigger
val query = spark.
readStream.
format("rate").
option("rowsPerSecond", 1000).
option("rampUpTime", "10s").
load().
selectExpr("timestamp", "100", "value").
writeStream.
format("console").
trigger(Trigger.ProcessingTime("5 seconds")).
// trigger(Trigger.Continuous("5 seconds")). // You can reproduce with
continuous processing too.
outputMode("append").
start()
{code}
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