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Posted to issues@flink.apache.org by fhueske <gi...@git.apache.org> on 2017/02/01 00:45:09 UTC
[GitHub] flink pull request #3149: FLINK-2168 Add HBaseTableSource
Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3149#discussion_r98805953
--- Diff: flink-connectors/flink-hbase/src/test/java/org/apache/flink/addons/hbase/example/HBaseTableSourceITCase.java ---
@@ -0,0 +1,196 @@
+/*
+ * Copyright The Apache Software Foundation
+ *
+ * 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.addons.hbase.example;
+
+import org.apache.flink.addons.hbase.HBaseTableSchema;
+import org.apache.flink.addons.hbase.HBaseTableSource;
+import org.apache.flink.addons.hbase.HBaseTestingClusterAutostarter;
+import org.apache.flink.api.common.functions.MapFunction;
+import org.apache.flink.api.java.DataSet;
+import org.apache.flink.api.java.ExecutionEnvironment;
+import org.apache.flink.api.java.tuple.Tuple;
+import org.apache.flink.table.api.Table;
+import org.apache.flink.table.api.TableConfig;
+import org.apache.flink.table.api.TableEnvironment;
+import org.apache.flink.table.api.java.BatchTableEnvironment;
+import org.apache.flink.table.sources.BatchTableSource;
+import org.apache.flink.test.util.TestBaseUtils;
+import org.apache.flink.types.Row;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.HTable;
+import org.apache.hadoop.hbase.client.Put;
+import org.apache.hadoop.hbase.util.Bytes;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import static org.junit.Assert.assertEquals;
+
+public class HBaseTableSourceITCase extends HBaseTestingClusterAutostarter {
+
+ private static final byte[] ROW_1 = Bytes.toBytes("row1");
+ private static final byte[] ROW_2 = Bytes.toBytes("row2");
+ private static final byte[] ROW_3 = Bytes.toBytes("row3");
+ private static final byte[] F_1 = Bytes.toBytes("f1");
+ private static final byte[] F_2 = Bytes.toBytes("f2");
+ private static final byte[] Q_1 = Bytes.toBytes("q1");
+ private static final byte[] Q_2 = Bytes.toBytes("q2");
+ private static final byte[] Q_3 = Bytes.toBytes("q3");
+
+ @BeforeClass
+ public static void activateHBaseCluster(){
+ registerHBaseMiniClusterInClasspath();
+ }
+
+ @Test
+ public void testHBaseTableSourceWithSingleColumnFamily() throws Exception {
+ // create a table with single region
+ TableName tableName = TableName.valueOf("test");
+ // no split keys
+ byte[][] famNames = new byte[1][];
+ famNames[0] = F_1;
+ createTable(tableName, famNames, null);
+ // get the htable instance
+ HTable table = openTable(tableName);
+ List<Put> puts = new ArrayList<Put>();
+ // add some data
+ Put put = new Put(ROW_1);
+ // add 3 qualifiers per row
+ //1st qual is integer
+ put.addColumn(F_1, Q_1, Bytes.toBytes(100));
+ //2nd qual is String
+ put.addColumn(F_1, Q_2, Bytes.toBytes("strvalue"));
+ // 3rd qual is long
+ put.addColumn(F_1, Q_3, Bytes.toBytes(19991L));
+ puts.add(put);
+
+ put = new Put(ROW_2);
+ // add 3 qualifiers per row
+ //1st qual is integer
+ put.addColumn(F_1, Q_1, Bytes.toBytes(101));
+ //2nd qual is String
+ put.addColumn(F_1, Q_2, Bytes.toBytes("strvalue1"));
+ // 3rd qual is long
+ put.addColumn(F_1, Q_3, Bytes.toBytes(19992L));
+ puts.add(put);
+
+ put = new Put(ROW_3);
+ // add 3 qualifiers per row
+ //1st qual is integer
+ put.addColumn(F_1, Q_1, Bytes.toBytes(102));
+ //2nd qual is String
+ put.addColumn(F_1, Q_2, Bytes.toBytes("strvalue2"));
+ // 3rd qual is long
+ put.addColumn(F_1, Q_3, Bytes.toBytes(19993L));
+ puts.add(put);
+ // add the mutations to the table
+ table.put(puts);
+ table.close();
+ ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
+ BatchTableEnvironment tableEnv = TableEnvironment.getTableEnvironment(env, new TableConfig());
+ HBaseTableSchema schema = new HBaseTableSchema();
+ schema.addColumn(Bytes.toString(F_1), Bytes.toString(Q_1), Integer.class);
+ schema.addColumn(Bytes.toString(F_1), Bytes.toString(Q_2), String.class);
+ schema.addColumn(Bytes.toString(F_1), Bytes.toString(Q_3), Long.class);
+ // fetch row2 from the table till the end
+ BatchTableSource hbaseTable = new HBaseTableSource(getConf(), tableName.getNameAsString(), schema);
+ tableEnv.registerTableSource("test", hbaseTable);
+ Table result = tableEnv
+ .sql("SELECT test.f1.q1, test.f1.q2, test.f1.q3 FROM test");
+ DataSet<Row> resultSet = tableEnv.toDataSet(result, Row.class);
+ List<Row> results = resultSet.collect();
+
+ String expected = "100,strvalue,19991\n" +
+ "101,strvalue1,19992\n" +
+ "102,strvalue2,19993\n";
+ TestBaseUtils.compareResultAsText(results, expected);
+ }
+
+ @Test
+ public void testHBaseTableSourceWithTwoColumnFamily() throws Exception {
+ // create a table with single region
+ TableName tableName = TableName.valueOf("test1");
+ // no split keys
+ byte[][] famNames = new byte[2][];
+ famNames[0] = F_1;
+ famNames[1] = F_2;
+ createTable(tableName, famNames, null);
+ // get the htable instance
+ HTable table = openTable(tableName);
+ List<Put> puts = new ArrayList<Put>();
+ // add some data
+ Put put = new Put(ROW_1);
+ // add 3 qualifiers per row
+ //1st qual is integer
+ put.addColumn(F_1, Q_1, Bytes.toBytes(100));
+ //2nd qual is String
+ put.addColumn(F_1, Q_2, Bytes.toBytes("strvalue"));
+ // 3rd qual is long
+ put.addColumn(F_1, Q_3, Bytes.toBytes(19991L));
+ puts.add(put);
+
+ put = new Put(ROW_2);
+ // add 3 qualifiers per row
+ //1st qual is integer
+ put.addColumn(F_2, Q_1, Bytes.toBytes(201));
+ //2nd qual is String
+ put.addColumn(F_2, Q_2, Bytes.toBytes("newvalue1"));
+ // 3rd qual is long
+ put.addColumn(F_2, Q_3, Bytes.toBytes(29992L));
+ puts.add(put);
+
+ put = new Put(ROW_3);
+ // add 3 qualifiers per row
+ //1st qual is integer
+ put.addColumn(F_1, Q_1, Bytes.toBytes(102));
+ //2nd qual is String
+ put.addColumn(F_1, Q_2, Bytes.toBytes("strvalue2"));
+ // 3rd qual is long
+ put.addColumn(F_1, Q_3, Bytes.toBytes(19993L));
+ puts.add(put);
+ // add the mutations to the table
+ table.put(puts);
+ table.close();
+ ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
--- End diff --
same comments as in test above
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