[GitHub] [hudi] garyli1019 commented on a change in pull request #1938: [HUDI-920] Support Incremental query for MOR table

[GitBox <gi...@apache.org>]

garyli1019 commented on a change in pull request #1938:
URL: https://github.com/apache/hudi/pull/1938#discussion_r554287262



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File path: hudi-hadoop-mr/src/main/java/org/apache/hudi/hadoop/utils/HoodieInputFormatUtils.java
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@@ -470,4 +471,45 @@ private static HoodieBaseFile refreshFileStatus(Configuration conf, HoodieBaseFi
     }
   }
 
+  /**
+   * List affected file status based on given commits.
+   * @param basePath
+   * @param commitsToCheck
+   * @param timeline
+   * @return HashMap<partitionPath, HashMap<fileName, FileStatus>>
+   * @throws IOException
+   */
+  public static HashMap<String, HashMap<String, FileStatus>> listStatusForAffectedPartitions(
+      Path basePath, List<HoodieInstant> commitsToCheck, HoodieTimeline timeline) throws IOException {
+    // Extract files touched by these commits.
+    // TODO This might need to be done in parallel like listStatus parallelism ?

Review comment:
       Are you referring to RFC-15 that not being landed yet? The current implementation of `HoodieParquetInputFormat` is listing all files of affected partitions and then do the filtering later.




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