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[SPARK-30509][SQL] Fix deprecation log warning in Avro schema inferring #27200

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[SPARK-30509][SQL] Fix deprecation log warning in Avro schema inferring #27200

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47879d9
Add a test
MaxGekk Jan 14, 2020
0bb33aa
Bug fix
MaxGekk Jan 14, 2020
11cbf2e
Remove .option("header", true) in the added test
MaxGekk Jan 14, 2020
6c53b50
Remove .option("header", true) in another test
MaxGekk Jan 14, 2020
164cf5b
Revert "Remove .option("header", true) in another test"
MaxGekk Jan 14, 2020
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9 changes: 5 additions & 4 deletions external/avro/src/main/scala/org/apache/spark/sql/avro/AvroUtils.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@ import org.apache.hadoop.mapreduce.Job
import org.apache.spark.SparkException
import org.apache.spark.internal.Logging
import org.apache.spark.sql.SparkSession
import org.apache.spark.sql.avro.AvroOptions.ignoreExtensionKey
import org.apache.spark.sql.execution.datasources.OutputWriterFactory
import org.apache.spark.sql.internal.SQLConf
import org.apache.spark.sql.types._
Expand All @@ -42,12 +43,12 @@ object AvroUtils extends Logging {
options: Map[String, String],
files: Seq[FileStatus]): Option[StructType] = {
val conf = spark.sessionState.newHadoopConf()
if (options.contains("ignoreExtension")) {
logWarning(s"Option ${AvroOptions.ignoreExtensionKey} is deprecated. Please use the " +
"general data source option pathGlobFilter for filtering file names.")
}
val parsedOptions = new AvroOptions(options, conf)

if (parsedOptions.parameters.contains(ignoreExtensionKey)) {
logWarning(s"Option $ignoreExtensionKey is deprecated. Please use the " +
"general data source option pathGlobFilter for filtering file names.")
}
// User can specify an optional avro json schema.
val avroSchema = parsedOptions.schema
.map(new Schema.Parser().parse)
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24 changes: 24 additions & 0 deletions external/avro/src/test/scala/org/apache/spark/sql/avro/AvroSuite.scala
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Expand Up @@ -1497,6 +1497,30 @@ abstract class AvroSuite extends QueryTest with SharedSparkSession {
|}
""".stripMargin)
}

test("log a warning of ignoreExtension deprecation") {
val logAppender = new LogAppender
withTempPath { dir =>
Seq(("a", 1, 2), ("b", 1, 2), ("c", 2, 1), ("d", 2, 1))
.toDF("value", "p1", "p2")
.repartition(2)
.write
.format("avro")
.save(dir.getCanonicalPath)
withLogAppender(logAppender) {
spark
.read
.format("avro")
.option(AvroOptions.ignoreExtensionKey, false)
.load(dir.getCanonicalPath)
.count()
}
val deprecatedEvents = logAppender.loggingEvents
.filter(_.getRenderedMessage.contains(
s"Option ${AvroOptions.ignoreExtensionKey} is deprecated"))
assert(deprecatedEvents.size === 1)
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@HyukjinKwon HyukjinKwon Jan 14, 2020

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Can we test if the size is just bigger then 0 just in case we have other deprecation logs later?

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@MaxGekk MaxGekk Jan 14, 2020

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I compared the size to 1 to avoid any concerns that it is printed multiple times like in the PR (#27174 (comment)), per each partition.

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@MaxGekk MaxGekk Jan 14, 2020

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If we expect it is printed only once, maybe we should assert that?

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@MaxGekk MaxGekk Jan 14, 2020

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So, if somebody modifies the code in the future in the way the warning is printed many times, we will catch the situation by the test.

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@MaxGekk MaxGekk Jan 14, 2020

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just in case we have other deprecation logs later?

As we discussed in another PR, we are not going to print any log warnings about ignoreExtension. Am I right or misunderstood something?

}
}
}

class AvroV1Suite extends AvroSuite {
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