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https://issues.apache.org/jira/browse/IMPALA-7907?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul Rogers resolved IMPALA-7907.
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Resolution: Fixed
> 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
> Priority: Minor
>
> Each AST statement node has a {{toSql()}} implementation. The code for
> {{ScalarFunction}} and ToSqlUtils has a number of issues:
> * 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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