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


Sergey Nuyanzin created FLINK-9688:
--------------------------------------

             Summary: ATAN2 Sql Function support
                 Key: FLINK-9688
                 URL: https://issues.apache.org/jira/browse/FLINK-9688
             Project: Flink
          Issue Type: Bug
          Components: Table API & SQL
            Reporter: Sergey Nuyanzin
            Assignee: Sergey Nuyanzin


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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