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https://issues.apache.org/jira/browse/FLINK-9688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16530081#comment-16530081
]
ASF GitHub Bot commented on FLINK-9688:
---------------------------------------
Github user hequn8128 commented on a diff in the pull request:
https://github.com/apache/flink/pull/6223#discussion_r199537075
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/codegen/calls/FunctionGenerator.scala
---
@@ -300,6 +300,24 @@ object FunctionGenerator {
DOUBLE_TYPE_INFO,
BuiltInMethods.ATAN_DEC)
+ addSqlFunctionMethod(
+ ATAN2,
+ Seq(DOUBLE_TYPE_INFO, DOUBLE_TYPE_INFO),
+ DOUBLE_TYPE_INFO,
+ BuiltInMethods.ATAN2)
+
+ addSqlFunctionMethod(
+ ATAN2,
+ Seq(DOUBLE_TYPE_INFO, BIG_DEC_TYPE_INFO),
+ DOUBLE_TYPE_INFO,
+ BuiltInMethods.ATAN2_DEC)
+
+ addSqlFunctionMethod(
+ ATAN2,
+ Seq(BIG_DEC_TYPE_INFO, BIG_DEC_TYPE_INFO),
+ DOUBLE_TYPE_INFO,
+ BuiltInMethods.ATAN2_DEC)
--- End diff --
BuiltInMethods.ATAN2_DEC_DEC
> 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 & 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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