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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