dvjyothsna commented on a change in pull request #1748: DRILL-7171: Create
metadata directories cache file in the leaf level directories to support
ConvertCountToDirectScan optimization.
URL: https://github.com/apache/drill/pull/1748#discussion_r275204085
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/store/parquet/metadata/Metadata.java
##########
@@ -353,22 +353,15 @@ private static boolean
ignoreReadingMetadata(MetadataContext metaContext, Path p
writeFile(metadataTableWithRelativePaths.getSummary(), new Path(path,
METADATA_SUMMARY_FILENAME), fs);
Metadata_V4.MetadataSummary metadataSummaryWithRelativePaths =
metadataTableWithRelativePaths.getSummary();
- if (directoryList.size() > 0 && childFiles.size() == 0) {
- ParquetTableMetadataDirs parquetTableMetadataDirsRelativePaths =
- new
ParquetTableMetadataDirs(metadataSummaryWithRelativePaths.directories);
- writeFile(parquetTableMetadataDirsRelativePaths, new Path(path,
METADATA_DIRECTORIES_FILENAME), fs);
- if (timer != null) {
- logger.debug("Creating metadata files recursively took {} ms",
timer.elapsed(TimeUnit.MILLISECONDS));
- }
- ParquetTableMetadataDirs parquetTableMetadataDirs = new
ParquetTableMetadataDirs(directoryList);
- return Pair.of(parquetTableMetadata, parquetTableMetadataDirs);
- }
- List<Path> emptyDirList = new ArrayList<>();
+ ParquetTableMetadataDirs parquetTableMetadataDirsRelativePaths =
+ new
ParquetTableMetadataDirs(metadataSummaryWithRelativePaths.directories);
+ writeFile(parquetTableMetadataDirsRelativePaths, new Path(path,
METADATA_DIRECTORIES_FILENAME), fs);
if (timer != null) {
logger.debug("Creating metadata files recursively took {} ms",
timer.elapsed(TimeUnit.MILLISECONDS));
timer.stop();
}
- return Pair.of(parquetTableMetadata, new
ParquetTableMetadataDirs(emptyDirList));
+ ParquetTableMetadataDirs parquetTableMetadataDirs = new
ParquetTableMetadataDirs(directoryList);
Review comment:
Changed this.
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