arina-ielchiieva commented on a change in pull request #1969: DRILL-5733:
Unable to SELECT from parquet file with Hadoop 2.7.4
URL: https://github.com/apache/drill/pull/1969#discussion_r375700370
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/store/parquet/ParquetTableMetadataProviderImpl.java
##########
@@ -126,22 +128,23 @@ public Path getSelectionRoot() {
* @return list of cache files found in the given directory path
*/
public List<Path> populateMetaPaths(Path p, DrillFileSystem fs) throws
IOException {
- List<Path> metaFilepaths = new ArrayList<>();
- for (String filename : Metadata.CURRENT_METADATA_FILENAMES) {
- metaFilepaths.add(new Path(p, filename));
- }
- for (String filename : Metadata.OLD_METADATA_FILENAMES) {
- // Read the older version of metadata file if the current version of
metadata cache files donot exist.
+ if (fs.isDirectory(p)) {
+ List<Path> metaFilepaths =
Arrays.stream(Metadata.CURRENT_METADATA_FILENAMES)
+ .map(filename -> new Path(p, filename))
+ .collect(Collectors.toList());
+ for (String filename : Metadata.OLD_METADATA_FILENAMES) {
+ // Read the older version of metadata file if the current version of
metadata cache files do not exist.
Review comment:
does not exist
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