pengzhiwei2018 commented on a change in pull request #2651: URL: https://github.com/apache/hudi/pull/2651#discussion_r604593860
########## File path: hudi-spark-datasource/hudi-spark/src/main/scala/org/apache/hudi/HoodieWriterUtils.scala ########## @@ -81,4 +81,33 @@ object HoodieWriterUtils { params.foreach(kv => props.setProperty(kv._1, kv._2)) props } + + /** + * Get the partition columns to stored to hoodie.properties. + * Return the partitionColumns only if it is the key generator class is the build-ins. + * For other custom key generator class, we cannot know whether or not it has relation + * with the partition columns. + * @param parameters + * @return + */ + def getPartitionColumns(parameters: Map[String, String]): Option[String] = { + val keyGenClass = parameters.getOrElse(KEYGENERATOR_CLASS_OPT_KEY, + DEFAULT_KEYGENERATOR_CLASS_OPT_VAL) + val partitionColumns = parameters.get(PARTITIONPATH_FIELD_OPT_KEY) + if (keyGenClass == classOf[SimpleKeyGenerator].getName || + keyGenClass == classOf[ComplexKeyGenerator].getName || + keyGenClass == classOf[TimestampBasedKeyGenerator].getName) { Review comment: Good suggestion! -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org