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https://issues.apache.org/jira/browse/FLINK-6960?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16057203#comment-16057203
]
ASF GitHub Bot commented on FLINK-6960:
---------------------------------------
Github user wuchong commented on a diff in the pull request:
https://github.com/apache/flink/pull/4152#discussion_r123188958
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/functions/scalarSqlFunctions/MathSqlFunctions.scala
---
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.flink.table.functions.scalarSqlFunctions
+
+import org.apache.calcite.sql.{SqlFunction, SqlFunctionCategory, SqlKind}
+import org.apache.calcite.sql.`type`._
+
+class MathSqlFunctions {
+
+}
+
+object MathSqlFunctions {
+ val E = new SqlFunction(
--- End diff --
I would like this:
```scala
new SqlBaseContextVariable("E", ReturnTypes.DOUBLE,
SqlFunctionCategory.NUMERIC);
```
In addition, what do you think to move this file to
`org/apache/flink/table/functions/utils` ?
> Add E(2.7182818284590452354),PI(3.14159265358979323846) supported in SQL
> ------------------------------------------------------------------------
>
> Key: FLINK-6960
> URL: https://issues.apache.org/jira/browse/FLINK-6960
> Project: Flink
> Issue Type: Sub-task
> Components: Table API & SQL
> Reporter: sunjincheng
> Assignee: sunjincheng
> Labels: starter
>
> E=Math.E
> PI=Math.PI
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