Sorabh Hamirwasia created DRILL-6262:
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Summary: IndexOutOfBoundException in RecordBatchSize for empty
variableWidthVector
Key: DRILL-6262
URL: https://issues.apache.org/jira/browse/DRILL-6262
Project: Apache Drill
Issue Type: Bug
Components: Execution - Flow
Reporter: Sorabh Hamirwasia
Assignee: Sorabh Hamirwasia
Fix For: 1.14.0
ColumnSize inside RecordBatchSizer while computing the totalDataSize for
VariableWidthVector throws IndexOutOfBoundException when the underlying vector
is empty without any allocated memory.
This happens because the way totalDataSize is computed is using the
offsetVector value at an index n where n is total number of records in the
vector. When vector is empty then n=0 and offsetVector drillbuf is empty as
well. So while retrieving value at index 0 from offsetVector exception is
thrown.
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