[jira] [Commented] (FLINK-9688) ATAN2 Sql Function support

[ASF GitHub Bot (JIRA)]

    [ 
https://issues.apache.org/jira/browse/FLINK-9688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16529956#comment-16529956
 ] 

ASF GitHub Bot commented on FLINK-9688:
---------------------------------------

Github user fhueske commented on a diff in the pull request:

    https://github.com/apache/flink/pull/6223#discussion_r199501131
  
    --- Diff: docs/dev/table/tableApi.md ---
    @@ -3748,6 +3759,17 @@ NUMERIC.atan()
           </td>
         </tr>
     
    +    <tr>
    +      <td>
    +        {% highlight scala %}
    +NUMERIC.atan2()
    +{% endhighlight %}
    +      </td>
    +      <td>
    +        <p>Calculates the tangent of a given coordinates.</p>
    --- End diff --
    
    see above


> ATAN2 Sql Function support
> --------------------------
>
>                 Key: FLINK-9688
>                 URL: https://issues.apache.org/jira/browse/FLINK-9688
>             Project: Flink
>          Issue Type: New Feature
>          Components: Table API &amp; SQL
>            Reporter: Sergey Nuyanzin
>            Assignee: Sergey Nuyanzin
>            Priority: Minor
>              Labels: pull-request-available
>
> simple query fails {code}
> ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
> BatchTableEnvironment tableEnv = TableEnvironment.getTableEnvironment(env, 
> config());
> DataSet<Tuple3<Integer, Long, String>> ds = 
> CollectionDataSets.get3TupleDataSet(env);
> tableEnv.registerDataSet("t1", ds, "x, y, z");
> String sqlQuery = "SELECT atan2(1,2)";
> Table result = tableEnv.sqlQuery(sqlQuery);
> {code}
> while at the same time Calcite supports it and in Calcite's sqlline it works 
> like {noformat}
> 0: jdbc:calcite:model=target/test-classes/mod> select atan2(1,2);
> +-----------------+
> |     EXPR$0      |
> +-----------------+
> | 0.4636476090008061 |
> +-----------------+
> 1 row selected (0.173 seconds)
> {noformat}



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