Github user vdiravka commented on a diff in the pull request:
https://github.com/apache/drill/pull/824#discussion_r123316880
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/store/parquet/Metadata.java
---
@@ -179,10 +182,18 @@ private Metadata(FileSystem fs, ParquetFormatConfig
formatConfig) {
for (final FileStatus file : fs.listStatus(p, new DrillPathFilter())) {
if (file.isDirectory()) {
+ String subdirectoryName = file.getPath().getName();
ParquetTableMetadata_v3 subTableMetadata =
(createMetaFilesRecursively(file.getPath().toString())).getLeft();
- metaDataList.addAll(subTableMetadata.files);
- directoryList.addAll(subTableMetadata.directories);
- directoryList.add(file.getPath().toString());
+ for (ParquetFileMetadata_v3 pfm_v3 : subTableMetadata.files) {
+ // Construction of the relative file path by adding subdirectory
name and inner relative file path
+ String relativePath = Joiner.on("/").join(subdirectoryName,
pfm_v3.getPath());
--- End diff --
Regarding the `paths` I answered in the general comment.
I refused from merging path names recursively. Instead of that I've
implemented a new `MetadataPathUtils.createMetadataWithRelativePaths()` method
that converts absolute paths to relative ones and creates a new metadata for
the cache files.
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