xiarixiaoyao commented on a change in pull request #2722: URL: https://github.com/apache/hudi/pull/2722#discussion_r615214047
########## File path: hudi-hadoop-mr/src/main/java/org/apache/hudi/hadoop/utils/HoodieRealtimeInputFormatUtils.java ########## @@ -218,6 +218,13 @@ public static void addRequiredProjectionFields(Configuration configuration) { addProjectionField(configuration, HoodieRecord.PARTITION_PATH_METADATA_FIELD, HoodieInputFormatUtils.HOODIE_PARTITION_PATH_COL_POS); } + public static boolean requiredProjectionFieldsExistInConf(Configuration configuration) { + String readColNames = configuration.get(ColumnProjectionUtils.READ_COLUMN_NAMES_CONF_STR, ""); + return readColNames.contains(HoodieRecord.RECORD_KEY_METADATA_FIELD) + && readColNames.contains(HoodieRecord.COMMIT_TIME_METADATA_FIELD) + && readColNames.contains(HoodieRecord.PARTITION_PATH_METADATA_FIELD); Review comment: see hudi will add these three fields for log reader https://github.com/apache/hudi/blob/1d53d6e6c2d3ff967d333d87b308406c8cd6917a/hudi-hadoop-mr/src/main/java/org/apache/hudi/hadoop/utils/HoodieRealtimeInputFormatUtils.java#L214, 。 @garyli1019 -- 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