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Posted to issues@spark.apache.org by "Xianyin Xin (Jira)" <ji...@apache.org> on 2019/11/11 07:42:00 UTC

[jira] [Created] (SPARK-29835) Remove the unneeded conversion from Statement to LogicalPlan for DELETE/UPDATE

Xianyin Xin created SPARK-29835:
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             Summary: Remove the unneeded conversion from Statement to LogicalPlan for DELETE/UPDATE
                 Key: SPARK-29835
                 URL: https://issues.apache.org/jira/browse/SPARK-29835
             Project: Spark
          Issue Type: Sub-task
          Components: SQL
    Affects Versions: 3.0.0
            Reporter: Xianyin Xin


The current parse and analyze flow for DELETE is: 1, the SQL string will be firstly parsed to `DeleteFromStatement`; 2, the `DeleteFromStatement` be converted to `DeleteFromTable`. However, the SQL string can be parsed to `DeleteFromTable` directly, where a `DeleteFromStatement` seems to be redundant.

It is the same for UPDATE.



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