Michael Smith created IMPALA-15378:
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             Summary: OOB read in OrcSchemaResolver::ResolveColumnByName
                 Key: IMPALA-15378
                 URL: https://issues.apache.org/jira/browse/IMPALA-15378
             Project: IMPALA
          Issue Type: Bug
          Components: Backend
            Reporter: Michael Smith


TranslateColPaths() can legitimately return an empty 
table_col_path/file_col_path pair: when the table is full ACID but the 
underlying file is not, and col_path refers only to the synthetic ACID "row" 
pseudo-column, neither schema has a corresponding node, so nothing is pushed to 
either output path. ResolveColumnByName() does not account for this and 
unconditionally indexes table_path[0], reading out of bounds on the empty vector



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