/**
* 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.hadoop.zebra.types;
import java.io.StringReader;
import java.util.Map;
import java.util.HashSet;
import java.util.Iterator;
import junit.framework.Assert;
import org.apache.hadoop.zebra.types.CGSchema;
import org.apache.hadoop.zebra.types.ColumnType;
import org.apache.hadoop.zebra.types.ParseException;
import org.apache.hadoop.zebra.types.Partition;
import org.apache.hadoop.zebra.types.Schema;
import org.apache.hadoop.zebra.types.TableSchemaParser;
import org.apache.hadoop.zebra.types.Schema.ColumnSchema;
import org.junit.Before;
import org.junit.Test;
public class TestStorageCollection {
String strSch = "c1:collection(f1:int, f2:int), c2:collection(c3:collection(f3:float, f4))";
TableSchemaParser parser;
Schema schema;
@Before
public void init() throws ParseException {
parser = new TableSchemaParser(new StringReader(strSch));
schema = parser.RecordSchema(null);
}
@Test
public void testStorageValid1() {
try {
String strStorage = "[c1]; [c2]";
Partition p = new Partition(schema.toString(), strStorage);
CGSchema[] cgschemas = p.getCGSchemas();
// 2 column group;
int size = cgschemas.length;
Assert.assertEquals(size, 2);
System.out.println("********** Column Groups **********");
for (int i = 0; i < cgschemas.length; i++) {
System.out.println(cgschemas[i]);
System.out.println("--------------------------------");
}
CGSchema cgs1 = cgschemas[0];
CGSchema cgs2 = cgschemas[1];
ColumnSchema f11 = cgs1.getSchema().getColumn(0);
Assert.assertEquals("c1", f11.name);
Assert.assertEquals(ColumnType.COLLECTION, f11.type);
ColumnSchema f21 = cgs2.getSchema().getColumn(0);
Assert.assertEquals("c2", f21.name);
Assert.assertEquals(ColumnType.COLLECTION, f21.type);
System.out.println("*********** Column Map **********");
Map<String, HashSet<Partition.PartitionInfo.ColumnMappingEntry>> colmap = p
.getPartitionInfo().getColMap();
Assert.assertEquals(colmap.size(), 2);
Iterator<Map.Entry<String, HashSet<Partition.PartitionInfo.ColumnMappingEntry>>> it = colmap
.entrySet().iterator();
for (int i = 0; i < colmap.size(); i++) {
Map.Entry<String, HashSet<Partition.PartitionInfo.ColumnMappingEntry>> entry = (Map.Entry<String, HashSet<Partition.PartitionInfo.ColumnMappingEntry>>) it
.next();
String name = entry.getKey();
HashSet<Partition.PartitionInfo.ColumnMappingEntry> hs = entry
.getValue();
Iterator<Partition.PartitionInfo.ColumnMappingEntry> it1 = hs
.iterator();
while (it1.hasNext()) {
Partition.PartitionInfo.ColumnMappingEntry cme = (Partition.PartitionInfo.ColumnMappingEntry) it1
.next();
System.out.println("[Column = " + name + " CG = " + cme.getCGIndex()
+ "." + cme.getFieldIndex() + "]");
if (i == 0) {
Assert.assertEquals(name, "c1");
Assert.assertEquals(cme.getCGIndex(), 0);
Assert.assertEquals(cme.getFieldIndex(), 0);
} else if (i == 1) {
Assert.assertEquals(name, "c2");
Assert.assertEquals(cme.getCGIndex(), 1);
Assert.assertEquals(cme.getFieldIndex(), 0);
}
}
}
} catch (Exception e) {
Assert.assertTrue(false);
}
}
@Test
public void testStorageValid2() {
try {
String strStorage = "[c1.f1]";
Partition p = new Partition(schema.toString(), strStorage);
Assert.assertTrue(false);
CGSchema[] cgschemas = p.getCGSchemas();
// 2 column group;
int size = cgschemas.length;
Assert.assertEquals(size, 2);
System.out.println("********** Column Groups **********");
for (int i = 0; i < cgschemas.length; i++) {
System.out.println(cgschemas[i]);
System.out.println("--------------------------------");
}
CGSchema cgs1 = cgschemas[0];
CGSchema cgs2 = cgschemas[1];
ColumnSchema f11 = cgs1.getSchema().getColumn(0);
Assert.assertEquals("c1.f1", f11.name);
Assert.assertEquals(ColumnType.INT, f11.type);
ColumnSchema f21 = cgs2.getSchema().getColumn(0);
Assert.assertEquals("c1.f2", f21.name);
Assert.assertEquals(ColumnType.INT, f21.type);
ColumnSchema f22 = cgs2.getSchema().getColumn(1);
Assert.assertEquals("c2", f22.name);
Assert.assertEquals(ColumnType.COLLECTION, f22.type);
System.out.println("*********** Column Map **********");
Map<String, HashSet<Partition.PartitionInfo.ColumnMappingEntry>> colmap = p
.getPartitionInfo().getColMap();
Assert.assertEquals(colmap.size(), 3);
Iterator<Map.Entry<String, HashSet<Partition.PartitionInfo.ColumnMappingEntry>>> it = colmap
.entrySet().iterator();
for (int i = 0; i < colmap.size(); i++) {
Map.Entry<String, HashSet<Partition.PartitionInfo.ColumnMappingEntry>> entry = (Map.Entry<String, HashSet<Partition.PartitionInfo.ColumnMappingEntry>>) it
.next();
String name = entry.getKey();
HashSet<Partition.PartitionInfo.ColumnMappingEntry> hs = entry
.getValue();
Iterator<Partition.PartitionInfo.ColumnMappingEntry> it1 = hs
.iterator();
for (int j = 0; j < hs.size(); j++) {
Partition.PartitionInfo.ColumnMappingEntry cme = (Partition.PartitionInfo.ColumnMappingEntry) it1
.next();
System.out.println("[Column = " + name + " CG = " + cme.getCGIndex()
+ "." + cme.getFieldIndex() + "]");
if (i == 0 && j == 0) {
Assert.assertEquals(name, "c1.f2");
Assert.assertEquals(cme.getCGIndex(), 1);
Assert.assertEquals(cme.getFieldIndex(), 0);
} else if (i == 1 && j == 0) {
Assert.assertEquals(name, "c1.f1");
Assert.assertEquals(cme.getCGIndex(), 0);
Assert.assertEquals(cme.getFieldIndex(), 0);
} else if (i == 2 && j == 0) {
Assert.assertEquals(name, "c2");
Assert.assertEquals(cme.getCGIndex(), 1);
Assert.assertEquals(cme.getFieldIndex(), 1);
}
}
}
} catch (Exception e) {
}
}
}