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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