deniskuzZ commented on code in PR #4520:
URL: https://github.com/apache/hive/pull/4520#discussion_r1305482603
##########
ql/src/java/org/apache/hadoop/hive/ql/plan/ConditionalResolverMergeFiles.java:
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@@ -419,17 +471,90 @@ private AverageSize getAverageSize(FileSystem inpFs, Path
dirPath) {
*/
private long getMergeSize(FileSystem inpFs, Path dirPath, long avgSize) {
AverageSize averageSize = getAverageSize(inpFs, dirPath);
- if (averageSize.getTotalSize() < 0) {
+ return getMergeSize(averageSize, avgSize);
+ }
+
+ private List<FileStatus> getManifestFilePaths(HiveConf conf, Path dirPath)
throws IOException {
+ FileSystem manifestFs = dirPath.getFileSystem(conf);
+ List<String> filesKept;
+ List<FileStatus> pathsKept = new ArrayList<>();
+ try (FSDataInputStream inStream = manifestFs.open(new Path(dirPath,
Utilities.BLOB_MANIFEST_FILE))) {
+ String paths = IOUtils.toString(inStream, Charset.defaultCharset());
+ filesKept = new
ArrayList(Arrays.asList(paths.split(System.lineSeparator())));
+ }
+ // The first string contains the directory information. Not useful.
+ filesKept.remove(0);
+
+ for (String file : filesKept) {
+ pathsKept.add(manifestFs.getFileStatus(new Path(file)));
+ }
+ return pathsKept;
+ }
+
+ private long getMergeSize(List<FileStatus> fileStatuses, long avgSize) {
+ AverageSize averageSize = getAverageSize(fileStatuses);
+ return getMergeSize(averageSize, avgSize);
+ }
+
+ private long getMergeSize(AverageSize averageSize, long avgSize) {
Review Comment:
that is confusing input, could we rename AverageSize class to FilesSummary
or something?
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