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Posted to issues@impala.apache.org by "Aleksandr Efimov (Jira)" <ji...@apache.org> on 2026/10/08 17:03:00 UTC

[jira] [Created] (IMPALA-15530) Calcite planner: preserve generated expression labels

Aleksandr Efimov created IMPALA-15530:
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             Summary: Calcite planner: preserve generated expression labels
                 Key: IMPALA-15530
                 URL: https://issues.apache.org/jira/browse/IMPALA-15530
             Project: IMPALA
          Issue Type: Improvement
            Reporter: Aleksandr Efimov
            Assignee: Aleksandr Efimov


On master 5ba3d8d, SELECT CAST(1 AS BIGINT) returns explicit_cast(1, bigint) instead of cast(1 as bigint). SELECT ABS(v) FROM (SELECT 1 AS v) q returns abs(`q`.`v`) instead of abs(v). Types match; explicit aliases work. Preserve user expression labels before internal rewrites. Follow-up to IMPALA-14405.



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