[HIVE-2138] Exception when no splits returned from index - ASF JIRA

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Details

Type: Bug
Status: Closed
Priority: Major
Resolution: Fixed
Affects Version/s: 0.8.0
Fix Version/s: 0.8.0
Component/s: Indexing
Labels:
None

Hadoop Flags:

Reviewed

Description

Running a query that uses indexing but doesn't return any results give an exception.

 java.lang.IllegalArgumentException: Can not create a Path from an empty string
at org.apache.hadoop.fs.Path.checkPathArg(Path.java:82)
at org.apache.hadoop.fs.Path.<init>(Path.java:90)
at org.apache.hadoop.util.StringUtils.stringToPath(StringUtils.java:224)
at org.apache.hadoop.mapred.FileInputFormat.setInputPaths(FileInputFormat.java:282)
at org.apache.hadoop.hive.ql.index.HiveIndexedInputFormat.getSplits(HiveIndexedInputFormat.java:123)

This could potentially be fixed by creating a new empty file to use for the splits.

Once this is fixed, the index_auto_test_if_used.q can be used.