[jira] [Resolved] (SPARK-14910) Native DDL Command Support for Describe Function in Non-identifier Format

["Herman van Hovell (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-14910?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Herman van Hovell resolved SPARK-14910.
---------------------------------------
          Resolution: Resolved
            Assignee: Xiao Li
    Target Version/s: 2.0.0

> Native DDL Command Support for Describe Function in Non-identifier Format
> -------------------------------------------------------------------------
>
>                 Key: SPARK-14910
>                 URL: https://issues.apache.org/jira/browse/SPARK-14910
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 2.0.0
>            Reporter: Xiao Li
>            Assignee: Xiao Li
>
> The existing `Describe Function` only support the function name in `identifier`. This is different from what Hive behaves. That is why many test cases `udf_abc` in `HiveCompatibilitySuite` do not pass. For example, 
> - udf_not.q
> - udf_bitwise_not.q
> We need to support the command of `Describe Function` whose function names are in the following formats that are not natively supported:
> - `STRING` (e.g., `'func1'`)
> - `comparisonOperator` (e.g,. `<`)
> - `arithmeticOperator` (e.g., `+`)
> - `predicateOperator` (e.g., `or`)



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