Github user arina-ielchiieva commented on a diff in the pull request:
https://github.com/apache/drill/pull/877#discussion_r132407801
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/store/parquet/ParquetFormatPlugin.java
---
@@ -222,15 +222,17 @@ public DrillTable isReadable(DrillFileSystem fs,
FileSelection selection,
// create a metadata context that will be used for the duration
of the query for this table
MetadataContext metaContext = new MetadataContext();
- ParquetTableMetadataDirs mDirs = Metadata.readMetadataDirs(fs,
dirMetaPath.toString(), metaContext, formatConfig);
- if (mDirs.getDirectories().size() > 0) {
- FileSelection dirSelection =
FileSelection.createFromDirectories(mDirs.getDirectories(), selection,
- selection.getSelectionRoot() /* cacheFileRoot initially
points to selectionRoot */);
- dirSelection.setExpandedPartial();
- dirSelection.setMetaContext(metaContext);
-
- return new DynamicDrillTable(fsPlugin, storageEngineName,
userName,
- new FormatSelection(plugin.getConfig(), dirSelection));
+ ParquetTableMetadataDirs mDirs = Metadata.readMetadataDirs(fs,
dirMetaPath, metaContext, formatConfig);
+ if (mDirs != null) {
+ if (mDirs.getDirectories().size() > 0) {
--- End diff --
Can we combine two `if` statements into one?
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