Github user amansinha100 commented on a diff in the pull request:
https://github.com/apache/drill/pull/519#discussion_r67392462
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/store/parquet/ParquetFormatPlugin.java
---
@@ -208,8 +209,18 @@ public DrillTable isReadable(DrillFileSystem fs,
FileSelection selection,
FileSystemPlugin fsPlugin, String storageEngineName, String
userName)
throws IOException {
// TODO: we only check the first file for directory reading.
- if(selection.containsDirectories(fs)){
- if(isDirReadable(fs, selection.getFirstPath(fs))){
+ if(selection.containsDirectories(fs)) {
+ Path dirMetaPath = new Path(selection.getSelectionRoot(),
Metadata.METADATA_DIRECTORIES_FILENAME);
+ if (fs.exists(dirMetaPath)) {
+ ParquetTableMetadataDirs mDirs = Metadata.readMetadataDirs(fs,
dirMetaPath.toString());
+ if (mDirs.getDirectories().size() > 0) {
+ FileSelection dirSelection =
FileSelection.createFromDirectories(mDirs.getDirectories(), selection);
+ dirSelection.setExpandedPartial();
+ return new DynamicDrillTable(fsPlugin, storageEngineName,
userName,
--- End diff --
make sense.. I will add a comment. thanks for reviewing.
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