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https://issues.apache.org/jira/browse/FLINK-6281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16119813#comment-16119813
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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_r132162563
--- Diff:
flink-connectors/flink-jdbc/src/main/java/org/apache/flink/api/java/io/jdbc/JDBCSinkFunction.java
---
@@ -0,0 +1,62 @@
+/*
+ * 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.api.common.functions.RuntimeContext;
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.runtime.state.FunctionInitializationContext;
+import org.apache.flink.runtime.state.FunctionSnapshotContext;
+import org.apache.flink.streaming.api.checkpoint.CheckpointedFunction;
+import org.apache.flink.streaming.api.functions.sink.RichSinkFunction;
+import org.apache.flink.types.Row;
+
+class JDBCSinkFunction extends RichSinkFunction<Row> implements
CheckpointedFunction {
+ final JDBCOutputFormat outputFormat;
+
+ JDBCSinkFunction(JDBCOutputFormat outputFormat) {
+ this.outputFormat = outputFormat;
+ }
+
+ @Override
+ public void invoke(Row value) throws Exception {
+ outputFormat.writeRecord(value);
+ }
+
+ @Override
+ public void snapshotState(FunctionSnapshotContext context) throws
Exception {
+ outputFormat.flush();
+ }
+
+ @Override
+ public void initializeState(FunctionInitializationContext context)
throws Exception {
+ }
+
+ @Override
+ public void open(Configuration parameters) throws Exception {
+ super.open(parameters);
+ RuntimeContext ctx = getRuntimeContext();
+ outputFormat.open(ctx.getIndexOfThisSubtask(),
ctx.getNumberOfParallelSubtasks());
--- End diff --
add a call `outputFormat.setRuntimeContext(ctx);` before calling `open()`.
> 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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