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[SPARK-19268][SS]Disallow adaptive query execution for streaming queries #16683

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[SPARK-19268][SS]Disallow adaptive query execution for streaming queries #16683

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6 changes: 6 additions & 0 deletions sql/core/src/main/scala/org/apache/spark/sql/streaming/StreamingQueryManager.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -230,6 +230,12 @@ class StreamingQueryManager private[sql] (sparkSession: SparkSession) {
UnsupportedOperationChecker.checkForStreaming(analyzedPlan, outputMode)
}

if (sparkSession.sessionState.conf.adaptiveExecutionEnabled) {
throw new AnalysisException(
s"${SQLConf.ADAPTIVE_EXECUTION_ENABLED.key} " +
"is not supported in streaming DataFrames/Datasets")
}

new StreamingQueryWrapper(new StreamExecution(
sparkSession,
userSpecifiedName.orNull,
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12 changes: 11 additions & 1 deletion sql/core/src/test/scala/org/apache/spark/sql/streaming/StreamingQueryManagerSuite.scala
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Expand Up @@ -30,8 +30,9 @@ import org.scalatest.time.Span
import org.scalatest.time.SpanSugar._

import org.apache.spark.SparkException
import org.apache.spark.sql.Dataset
import org.apache.spark.sql.{AnalysisException, Dataset}
import org.apache.spark.sql.execution.streaming._
import org.apache.spark.sql.internal.SQLConf
import org.apache.spark.sql.streaming.util.BlockingSource
import org.apache.spark.util.Utils

Expand Down Expand Up @@ -238,6 +239,15 @@ class StreamingQueryManagerSuite extends StreamTest with BeforeAndAfter {
}
}

test("SPARK-19268: Adaptive query execution should be disallowed") {
withSQLConf(SQLConf.ADAPTIVE_EXECUTION_ENABLED.key -> "true") {
val e = intercept[AnalysisException] {
MemoryStream[Int].toDS.writeStream.queryName("test-query").format("memory").start()
}
assert(e.getMessage.contains(SQLConf.ADAPTIVE_EXECUTION_ENABLED.key) &&
e.getMessage.contains("not supported"))
}
}

/** Run a body of code by defining a query on each dataset */
private def withQueriesOn(datasets: Dataset[_]*)(body: Seq[StreamingQuery] => Unit): Unit = {
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