Norbert Luksa created IMPALA-9310:
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Summary: OrcStringColumnReader could move blob instead of copy
Key: IMPALA-9310
URL: https://issues.apache.org/jira/browse/IMPALA-9310
Project: IMPALA
Issue Type: Bug
Reporter: Norbert Luksa
Since IMPALA-9226, in OrcStringColumnReader the blobs of a batch are copied to
a freshly allocated space by Impala. As Zoltán pointed out in a
[review|https://gerrit.cloudera.org/#/c/15051/1/be/src/exec/orc-column-readers.cc@158],
a possible improvement is moving a blob by finding a way of getting hold of
the memory allocated by the ORC library instead of copying.
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