[jira] [Issue Comment Deleted] (CALCITE-2741) Add operator table with Hive-specific built-in functions

["Lai Zhou (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CALCITE-2741?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lai Zhou updated CALCITE-2741:
------------------------------
    Comment: was deleted

(was: [~zabetak], after  applying the right settings and reformatting the code , there is still an error about import order::(
{code:java}
[ERROR] /Users/zhoulai/Downloads/big-data/calcite/hivesql/src/main/java/org/apache/calcite/hivesql/function/ExtHiveNotNullImplementor.java:21: Wrong order for 'org.apache.calcite.adapter.enumerable.NotNullImplementor' import. [ImportOrder]

[ERROR] /Users/zhoulai/Downloads/big-data/calcite/hivesql/src/main/java/org/apache/calcite/hivesql/function/ExtHiveNotNullImplementor.java:23: Wrong order for 'org.apache.calcite.adapter.enumerable.EnumerableRelImplementProcessContext' import. [ImportOrder]
{code}
do you know how to change the settings to ensure the right import order ？)

> Add operator table with Hive-specific built-in functions
> --------------------------------------------------------
>
>                 Key: CALCITE-2741
>                 URL: https://issues.apache.org/jira/browse/CALCITE-2741
>             Project: Calcite
>          Issue Type: New Feature
>          Components: core
>            Reporter: Lai Zhou
>            Assignee: Julian Hyde
>            Priority: Minor
>         Attachments: 屏幕快照 2019-01-09 16.49.34.png
>
>
> [~julianhyde],
> I extended the native enummerable implemention of calcite to support Hive sql ,include UDF、UDAF and all the SqlSpecialOperator,which inspired by apache Drills.
> I modified the parser,type systems,and bridge the hive operator .
> How do you think of supporting a direct implemention of hive sql like this?
> I think it will be valueable when someone want to migrate his hive etl jobs to real-time scene.



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