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https://issues.apache.org/jira/browse/DRILL-2618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15015005#comment-15015005
]
ASF GitHub Bot commented on DRILL-2618:
---------------------------------------
Github user hnfgns commented on a diff in the pull request:
https://github.com/apache/drill/pull/270#discussion_r45427442
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/store/dfs/FileSelection.java
---
@@ -19,82 +19,72 @@
import java.io.IOException;
import java.net.URI;
-import java.util.Collections;
import java.util.List;
-import java.util.concurrent.TimeUnit;
-
-import com.google.common.base.Stopwatch;
-import org.apache.commons.lang3.ArrayUtils;
-import org.apache.commons.lang3.StringUtils;
-import
org.apache.drill.exec.store.parquet.Metadata.ParquetTableMetadata_v1;
-import org.apache.hadoop.fs.FileStatus;
-import org.apache.hadoop.fs.Path;
+import javax.annotation.Nullable;
import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.google.common.base.Preconditions;
+import com.google.common.base.Predicate;
+import com.google.common.base.Strings;
+import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
+import org.apache.hadoop.fs.FileStatus;
+import org.apache.hadoop.fs.Path;
/**
- * Jackson serializable description of a file selection. Maintains an
internal set of file statuses. However, also
- * serializes out as a list of Strings. All accessing methods first
regenerate the FileStatus objects if they are not
- * available. This allows internal movement of FileStatus and the ability
to serialize if need be.
+ * Jackson serializable description of a file selection.
*/
public class FileSelection {
static final org.slf4j.Logger logger =
org.slf4j.LoggerFactory.getLogger(FileSelection.class);
@JsonIgnore
- private List<FileStatus> statuses;
+ public List<FileStatus> statuses;
--- End diff --
good point. done.
> BasicFormatMatcher calls getFirstPath(...) without checking # of paths is not
> zero
> ----------------------------------------------------------------------------------
>
> Key: DRILL-2618
> URL: https://issues.apache.org/jira/browse/DRILL-2618
> Project: Apache Drill
> Issue Type: Bug
> Components: Storage - Other
> Reporter: Daniel Barclay (Drill)
> Assignee: Deneche A. Hakim
> Fix For: 1.4.0
>
>
> {{BasicFormatMatcher.isReadable(...)}} calls {{getFirstPath(...)}} without
> checking that there is at least one path. This can cause an
> IndexOutOfBoundsException.
> To reproduce, create an empty directory {{/tmp/CaseInsensitiveColumnNames}}
> and run
> {{exec/java-exec/src/test/java/org/apache/drill/TestExampleQueries.java}}.
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