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https://issues.apache.org/jira/browse/FLINK-2055?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15485747#comment-15485747
]
ASF GitHub Bot commented on FLINK-2055:
---------------------------------------
Github user delding commented on a diff in the pull request:
https://github.com/apache/flink/pull/2332#discussion_r78478455
--- Diff:
flink-streaming-connectors/flink-connector-hbase/src/main/java/org/apache/flink/streaming/connectors/hbase/HBaseMapper.java
---
@@ -0,0 +1,46 @@
+/*
+ * 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.streaming.connectors.hbase;
+
+import org.apache.flink.api.common.functions.Function;
+
+import java.io.Serializable;
+
+/**
+ * Maps a input value to a row in HBase table.
+ *
+ * @param <IN> input type
+ */
+public interface HBaseMapper<IN> extends Function, Serializable {
+
+ /**
+ * Given an input value return the HBase row key. Row key cannot be
null.
+ *
+ * @param value
+ * @return row key
+ */
+ byte[] rowKey(IN value);
--- End diff --
Hi @ramkrish86 , I was trying to and connect() method as you suggested and
to explicitly test if table exists as following:
public void connect(String tableName) throws IOException {
connection = ConnectionFactory.createConnection(hbConfig);
TableName name = TableName.valueOf(tableName);
try (Admin admin = connection.getAdmin()) {
if (!admin.tableExists(name)) {
throw new RuntimeException("Table " + tableName
+ " doesn't exist!");
}
}
table = connection.getTable(name);
}
But once the method admin.tableExists(name) is added, running my example
will throw exception:
org.apache.hadoop.hbase.regionserver.NoSuchColumnFamilyException: Column family
table does not exist in region hbase:meta,,1.1588230740 in table 'hbase:meta'
I've never run into this exception in my project that uses hbase client. Do
you know the reason for this exception?
> Implement Streaming HBaseSink
> -----------------------------
>
> Key: FLINK-2055
> URL: https://issues.apache.org/jira/browse/FLINK-2055
> Project: Flink
> Issue Type: New Feature
> Components: Streaming, Streaming Connectors
> Affects Versions: 0.9
> Reporter: Robert Metzger
> Assignee: Erli Ding
>
> As per :
> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Write-Stream-to-HBase-td1300.html
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