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Posted to issues@spark.apache.org by "jiaan.geng (Jira)" <ji...@apache.org> on 2023/02/01 08:50:00 UTC

[jira] [Created] (SPARK-42278) DS V2 pushdown supports compile SortOrder by JDBC dialects themselves

jiaan.geng created SPARK-42278:
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             Summary: DS V2 pushdown supports compile SortOrder by JDBC dialects themselves
                 Key: SPARK-42278
                 URL: https://issues.apache.org/jira/browse/SPARK-42278
             Project: Spark
          Issue Type: Sub-task
          Components: SQL
    Affects Versions: 3.4.0
            Reporter: jiaan.geng


Currently, DS V2 pushdown framework compile the SortOrder in fixed format.
This is not flexible and friendly for some databases that do not support this syntax.
For example, the fixed format order by col asc nulls first is not supported by mssql server who doesn't support nulls first.




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