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Posted to issues@calcite.apache.org by "xiong duan (Jira)" <ji...@apache.org> on 2024/06/07 12:42:00 UTC

[jira] [Created] (CALCITE-6431) Implement the SINGLE_VALUE aggregation in HiveSqlDialect And SparkSQLDialect

xiong duan created CALCITE-6431:
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             Summary: Implement the SINGLE_VALUE aggregation in HiveSqlDialect And SparkSQLDialect
                 Key: CALCITE-6431
                 URL: https://issues.apache.org/jira/browse/CALCITE-6431
             Project: Calcite
          Issue Type: Improvement
          Components: core
    Affects Versions: 1.37.0
            Reporter: xiong duan
            Assignee: xiong duan
             Fix For: 1.38.0


When we use the SQL including the scalar query, converting this SQL Rel to HiveSQL will include the SINGLE_VALUE aggregation function(HiveSQL can't handle it) in the dialect SQL.



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