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ASF GitHub Bot commented on FLINK-6693: --------------------------------------- Github user fhueske commented on a diff in the pull request: https://github.com/apache/flink/pull/4078#discussion_r126748981 --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/table/functions/DateTimeSqlFunction.scala --- @@ -0,0 +1,34 @@ +/* + * 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 + +import org.apache.calcite.sql.`type`._ +import org.apache.calcite.sql.{SqlFunction, SqlFunctionCategory, SqlKind} + + +object DateTimeSqlFunction { --- End diff -- It seems that this class has been copied to `org.apache.flink.table.functions.sql` as suggested by @twalthr. I assume this version can be deleted, right? > Support DATE_FORMAT function in the Table / SQL API > --------------------------------------------------- > > Key: FLINK-6693 > URL: https://issues.apache.org/jira/browse/FLINK-6693 > Project: Flink > Issue Type: New Feature > Components: Table API & SQL > Reporter: Haohui Mai > Assignee: Haohui Mai > > It would be quite handy to support the {{DATE_FORMAT}} function in Flink to > support various date / time related operations: > The specification of the {{DATE_FORMAT}} function can be found in > https://prestodb.io/docs/current/functions/datetime.html. -- This message was sent by Atlassian JIRA (v6.4.14#64029)