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Posted to issues@impala.apache.org by "Paul Rogers (JIRA)" <ji...@apache.org> on 2018/11/28 23:16:00 UTC

[jira] [Created] (IMPALA-7907) Multiple toSql() bugs in ScalarFunction

Paul Rogers created IMPALA-7907:
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             Summary: Multiple toSql() bugs in ScalarFunction
                 Key: IMPALA-7907
                 URL: https://issues.apache.org/jira/browse/IMPALA-7907
             Project: IMPALA
          Issue Type: Bug
          Components: Frontend
    Affects Versions: Impala 3.0
            Reporter: Paul Rogers
            Assignee: Paul Rogers


Each AST statement node has a {{toSql()}} implementation. The code for {{ScalarFunction}} and {{ToSqlUtils}}.

* If Location or Symbol are not set, they are shown as {{'null'}}. Better to omit these clauses if the items are not available.
* The generated SQL does not follow the [Impala CREATE TABLE|] syntax. For example, the signature and return value are provided for JAVA functions, but should not be.
* Unlike other statements, this one is generated with a trailing newline.
* {{ToSql.getCreateFunctionSql()}} fails to separate functions with the semi-colon statement terminator.



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