beliefer commented on code in PR #49961:
URL: https://github.com/apache/spark/pull/49961#discussion_r1985905297
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sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/python/PythonScan.scala:
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@@ -16,26 +16,43 @@
*/
package org.apache.spark.sql.execution.datasources.v2.python
+import org.apache.commons.lang3.StringUtils
+
import org.apache.spark.JobArtifactSet
+import org.apache.spark.sql.SparkSession
import org.apache.spark.sql.connector.metric.CustomMetric
import org.apache.spark.sql.connector.read._
import org.apache.spark.sql.connector.read.streaming.MicroBatchStream
+import org.apache.spark.sql.internal.connector.SupportsMetadata
import org.apache.spark.sql.types.StructType
import org.apache.spark.sql.util.CaseInsensitiveStringMap
-
+import org.apache.spark.util.Utils
class PythonScan(
- ds: PythonDataSourceV2,
- shortName: String,
- outputSchema: StructType,
- options: CaseInsensitiveStringMap) extends Scan {
+ ds: PythonDataSourceV2,
+ shortName: String,
+ outputSchema: StructType,
+ options: CaseInsensitiveStringMap,
+ metadata: => Map[String, String]
+) extends Scan
+ with SupportsMetadata {
+ private lazy val sparkSession = SparkSession.active
+ private def maxMetadataValueLength =
sparkSession.sessionState.conf.maxMetadataStringLength
Review Comment:
`maxMetadataValueLength` used only once.
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