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https://issues.apache.org/jira/browse/FLINK-6281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16093737#comment-16093737
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ASF GitHub Bot commented on FLINK-6281:
---------------------------------------
Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3712#discussion_r128219296
--- Diff:
flink-connectors/flink-jdbc/src/main/java/org/apache/flink/api/java/io/jdbc/JDBCAppendTableSink.java
---
@@ -0,0 +1,85 @@
+/*
+ * 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.api.java.io.jdbc;
+
+import org.apache.flink.annotation.VisibleForTesting;
+import org.apache.flink.api.common.typeinfo.TypeInformation;
+import org.apache.flink.api.java.DataSet;
+import org.apache.flink.api.java.typeutils.RowTypeInfo;
+import org.apache.flink.streaming.api.datastream.DataStream;
+import org.apache.flink.table.sinks.AppendStreamTableSink;
+import org.apache.flink.table.sinks.BatchTableSink;
+import org.apache.flink.table.sinks.TableSink;
+import org.apache.flink.types.Row;
+
+/**
+ * An at-least-once Table sink for JDBC.
+ */
+public class JDBCAppendTableSink implements AppendStreamTableSink<Row>,
BatchTableSink<Row> {
+ private final JDBCSinkFunction sink;
+
+ private String[] fieldNames;
+ private TypeInformation[] fieldTypes;
+
+ JDBCAppendTableSink(JDBCOutputFormat outputFormat) {
+ this.sink = new JDBCSinkFunction(outputFormat);
+ }
+
+ public static JDBCAppendTableSinkBuilder builder() {
+ return new JDBCAppendTableSinkBuilder();
+ }
+
+ @Override
+ public void emitDataStream(DataStream<Row> dataStream) {
+ dataStream.addSink(sink);
+ }
+
+ @Override
+ public void emitDataSet(DataSet<Row> dataSet) {
+ dataSet.output(sink.outputFormat);
+ }
+
+ @Override
+ public TypeInformation<Row> getOutputType() {
+ return new RowTypeInfo(fieldTypes, fieldNames);
+ }
+
+ @Override
+ public String[] getFieldNames() {
+ return fieldNames;
+ }
+
+ @Override
+ public TypeInformation<?>[] getFieldTypes() {
+ return fieldTypes;
+ }
+
+ @Override
+ public TableSink<Row> configure(String[] fieldNames,
TypeInformation<?>[] fieldTypes) {
+ JDBCAppendTableSink copy = new
JDBCAppendTableSink(sink.outputFormat);
--- End diff --
We could validate that the types of the `JDBCOutputFormat` match the
`fieldTypes` which are provided by the optimizer.
Or do you have concerns regarding such a check?
> Create TableSink for JDBC
> -------------------------
>
> Key: FLINK-6281
> URL: https://issues.apache.org/jira/browse/FLINK-6281
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Reporter: Haohui Mai
> Assignee: Haohui Mai
>
> It would be nice to integrate the table APIs with the JDBC connectors so that
> the rows in the tables can be directly pushed into JDBC.
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