Song Jun created SPARK-19845:
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             Summary: failed to uncache datasource table after the table 
location altered
                 Key: SPARK-19845
                 URL: https://issues.apache.org/jira/browse/SPARK-19845
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 2.2.0
            Reporter: Song Jun


Currently if we first cache a datasource table, then we alter the table 
location,
then we drop the table, uncache table will failed in the DropTableCommand, 
because the location has changed and sameResult for two InMemoryFileIndex with 
different location return false, so we can't find the table key in the cache.



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