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https://issues.apache.org/jira/browse/DRILL-4812?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sudheesh Katkam resolved DRILL-4812.
------------------------------------
Resolution: Fixed
Fix Version/s: 1.10.0
Fixed in
[b656128|https://github.com/apache/drill/commit/b6561289998da6023efa864212033fbf5ac84cbd]
> Wildcard queries fail on Windows
> --------------------------------
>
> Key: DRILL-4812
> URL: https://issues.apache.org/jira/browse/DRILL-4812
> Project: Apache Drill
> Issue Type: Bug
> Components: Storage - Other
> Affects Versions: 1.7.0
> Environment: Windows 7
> Reporter: Mike Lavender
> Labels: easyfix, easytest, ready-to-commit, windows
> Fix For: 1.10.0
>
>
> Wildcards within the path of a query are not handled on windows and result in
> a "String index out of range" exception.
> for example:
> {noformat}
> 0: jdbc:drill:zk=local> SELECT SUM(qty) as num FROM
> dfs.parquet.`/trends/2016/1/*/*/3701`;
> Error: VALIDATION ERROR: String index out of range: -1
> SQL Query null
> {noformat}
> ----
> The problem exists within:
> exec\java-exec\src\main\java\org\apache\drill\exec\store\dfs\FileSelection.java
> private static Path handleWildCard(final String root)
> This function is looking for the index of the system specific PATH_SEPARATOR
> which on windows is '\' (from System.getProperty("file.separator")). The
> path passed in to handleWildcard will not ever have those type of path
> separators as the Path constructor (from org.apache.hadoop.fs.Path) sets all
> the path separators to '/'.
> NOTE:
> private static String removeLeadingSlash(String path)
> in that same file explicitly looks for '/' and does not use the system
> specific PATH_SEPARATOR.
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