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Posted to issues@impala.apache.org by "Taras Bobrovytsky (JIRA)" <ji...@apache.org> on 2017/04/10 20:29:41 UTC

[jira] [Created] (IMPALA-5192) Avoid hard coding pointer to the tuple pool into generated IR of Tuple::CodegenMaterializeExprs()

Taras Bobrovytsky created IMPALA-5192:
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             Summary: Avoid hard coding pointer to the tuple pool into generated IR of Tuple::CodegenMaterializeExprs()
                 Key: IMPALA-5192
                 URL: https://issues.apache.org/jira/browse/IMPALA-5192
             Project: IMPALA
          Issue Type: Improvement
          Components: Backend
            Reporter: Taras Bobrovytsky


We currently require having a tuple pool that is attached to the exec node because Codegening Tuple::CodegenMaterializeExprs() requires having a pointer to the tuple pool at codegen time. It would be better if it was possible to use the tuple pool of the row batch.

This affects Union and TopN nodes (and maybe others).



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