[jira] [Created] (HIVE-9107) Non-lowercase field names in structs causes NullPointerException

["Jim Pivarski (JIRA)" <ji...@apache.org>]

Jim Pivarski created HIVE-9107:
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             Summary: Non-lowercase field names in structs causes NullPointerException
                 Key: HIVE-9107
                 URL: https://issues.apache.org/jira/browse/HIVE-9107
             Project: Hive
          Issue Type: Bug
    Affects Versions: 0.13.1
            Reporter: Jim Pivarski


If an HQL query references a struct field with mixed or upper case, Hive throws a NullPointerException instead of giving a better error message or simply lower-casing the name.

For example, if I have a struct in column mystruct with a field named myfield, a query like

select mystruct.MyField from tablename;

passes the local initialize (it submits an M-R job) but the remote initialize jobs throw NullPointerExceptions.  The exception is on line 61 of org.apache.hadoop.hive.ql.exec.ExprNodeFieldEvaluator, which is right after the field name is extracted and not forced to be lower-case.




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