alekjarmov commented on code in PR #50591:
URL: https://github.com/apache/spark/pull/50591#discussion_r2045212853


##########
connector/docker-integration-tests/src/test/scala/org/apache/spark/sql/jdbc/v2/V2JDBCTest.scala:
##########
@@ -48,12 +48,26 @@ private[v2] trait V2JDBCTest extends SharedSparkSession 
with DockerIntegrationFu
 
   def notSupportsTableComment: Boolean = false
 
-  def defaultMetadata(dataType: DataType = StringType): Metadata = new 
MetadataBuilder()
+  def defaultMetadata(
+      dataType: DataType = StringType,
+      remoteTypeName: String = "STRING"): Metadata = new MetadataBuilder()
     .putLong("scale", 0)
     .putBoolean("isTimestampNTZ", false)
     .putBoolean("isSigned", dataType.isInstanceOf[NumericType])
+    .putString("remoteTypeName", remoteTypeName)
     .build()
 
+  def removeMetadataFromAllFields(structType: StructType, metadataKey: 
String): StructType = {

Review Comment:
   Added doc



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