Github user omalley commented on a diff in the pull request:
https://github.com/apache/orc/pull/163#discussion_r136466870
--- Diff: java/mapreduce/src/java/org/apache/orc/mapred/OrcInputFormat.java
---
@@ -151,4 +153,26 @@ public static void setSearchArgument(Configuration
conf,
return new OrcMapredRecordReader<>(file, buildOptions(conf,
file, split.getStart(), split.getLength()));
}
+
+ /**
+ * Filter out the 0 byte files, so that we don't generate splits for the
+ * empty ORC files.
+ * @param job the job configuration
+ * @return a list of files that need to be read
+ * @throws IOException
+ */
+ protected FileStatus[] listStatus(JobConf job) throws IOException {
+ FileStatus[] result = super.listStatus(job);
+ List<FileStatus> ok = new ArrayList<>(result.length);
--- End diff --
That would involve doing a second getStatus. Filters are only given the
name.
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