flink-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From GitBox <...@apache.org>
Subject [GitHub] [flink] twalthr commented on a change in pull request #8062: [FLINK-11884][table] Implement expression resolution on top of new Expressions
Date Mon, 15 Apr 2019 11:21:23 GMT
twalthr commented on a change in pull request #8062:  [FLINK-11884][table] Implement expression
resolution on top of new Expressions
URL: https://github.com/apache/flink/pull/8062#discussion_r275312046

 File path: flink-table/flink-table-planner/src/main/java/org/apache/flink/table/operations/AlgebraicOperationFactory.java
 @@ -0,0 +1,118 @@
+ * 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.operations;
+import org.apache.flink.annotation.Internal;
+import org.apache.flink.api.common.typeinfo.TypeInformation;
+import org.apache.flink.table.api.TableException;
+import org.apache.flink.table.api.TableSchema;
+import org.apache.flink.table.api.ValidationException;
+import org.apache.flink.table.plan.logical.Intersect;
+import org.apache.flink.table.plan.logical.LogicalNode;
+import org.apache.flink.table.plan.logical.Minus;
+import org.apache.flink.table.plan.logical.Union;
+import java.util.stream.IntStream;
+import static org.apache.flink.table.operations.AlgebraicOperationFactory.AlgebraicTableOperationType.UNION;
+ * Utility class for creating a valid algebraic operation such as {@link Minus}, {@link Intersect}
or {@link Union}.
+ */
+public class AlgebraicOperationFactory {
 Review comment:
   Call this `SetOperation` instead (also in comments and related classes) to be consistent
with tests, rules, etc.

This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:

With regards,
Apache Git Services

View raw message