/**
* 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.io.IOException;
import java.util.Iterator;
import java.util.Map;
import java.util.HashSet;
import junit.framework.Assert;
import org.apache.hadoop.zebra.types.CGSchema;
import org.apache.hadoop.zebra.schema.ColumnType;
import org.apache.hadoop.zebra.parser.ParseException;
import org.apache.hadoop.zebra.types.Partition;
import org.apache.hadoop.zebra.schema.Schema;
import org.apache.hadoop.zebra.parser.TableSchemaParser;
import org.apache.hadoop.zebra.schema.Schema.ColumnSchema;
import org.junit.Before;
import org.junit.Test;
public class TestColumnGroupName {
String strSch = "f1:int, f2:long, f3:float, f4:bool, f5:string, f6:bytes";
TableSchemaParser parser;
Schema schema;
@Before
public void init() throws ParseException {
parser = new TableSchemaParser(new StringReader(strSch));
schema = parser.RecordSchema(null);
}
@Test
public void testSchema() throws ParseException {
ColumnSchema f1 = schema.getColumn(0);
Assert.assertEquals("f1", f1.getName());
Assert.assertEquals(ColumnType.INT, f1.getType());
ColumnSchema f2 = schema.getColumn(1);
Assert.assertEquals("f2", f2.getName());
Assert.assertEquals(ColumnType.LONG, f2.getType());
ColumnSchema f3 = schema.getColumn(2);
Assert.assertEquals("f3", f3.getName());
Assert.assertEquals(ColumnType.FLOAT, f3.getType());
ColumnSchema f4 = schema.getColumn(3);
Assert.assertEquals("f4", f4.getName());
Assert.assertEquals(ColumnType.BOOL, f4.getType());
ColumnSchema f5 = schema.getColumn(4);
Assert.assertEquals("f5", f5.getName());
Assert.assertEquals(ColumnType.STRING, f5.getType());
ColumnSchema f6 = schema.getColumn(5);
Assert.assertEquals("f6", f6.getName());
Assert.assertEquals(ColumnType.BYTES, f6.getType());
System.out.println(schema.toString());
}
@Test
public void testStorageValid1() {
try {
String strStorage = "[f1, f2] as PI; [f3, f4] as General secure by uid:joe gid:secure perm:640 COMPRESS BY gz SERIALIZE BY avro; [f5, f6] as ULT";
Partition p = new Partition(schema.toString(), strStorage, null);
CGSchema[] cgschemas = p.getCGSchemas();
// 3 column group;
int size = cgschemas.length;
Assert.assertEquals(size, 3);
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];
CGSchema cgs3 = cgschemas[2];
ColumnSchema f11 = cgs1.getSchema().getColumn(0);
Assert.assertEquals("f1", f11.getName());
Assert.assertEquals(ColumnType.INT, f11.getType());
ColumnSchema f12 = cgs1.getSchema().getColumn(1);
Assert.assertEquals("f2", f12.getName());
Assert.assertEquals(ColumnType.LONG, f12.getType());
ColumnSchema f21 = cgs2.getSchema().getColumn(0);
Assert.assertEquals("f3", f21.getName());
Assert.assertEquals(ColumnType.FLOAT, f21.getType());
ColumnSchema f22 = cgs2.getSchema().getColumn(1);
Assert.assertEquals("f4", f22.getName());
Assert.assertEquals(ColumnType.BOOL, f22.getType());
ColumnSchema f31 = cgs3.getSchema().getColumn(0);
Assert.assertEquals("f5", f31.getName());
Assert.assertEquals(ColumnType.STRING, f31.getType());
ColumnSchema f32 = cgs3.getSchema().getColumn(1);
Assert.assertEquals("f6", f32.getName());
Assert.assertEquals(ColumnType.BYTES, f32.getType());
Assert.assertEquals(cgs1.getCompressor(), "gz");
Assert.assertEquals(cgs1.getSerializer(), "pig");
Assert.assertEquals(cgs2.getCompressor(), "gz");
Assert.assertEquals(cgs2.getSerializer(), "avro");
Assert.assertEquals(cgs3.getCompressor(), "gz");
Assert.assertEquals(cgs3.getSerializer(), "pig");
//Assert.assertEquals(cgs2.getOwner(), "joe");
//Assert.assertEquals(cgs2.getGroup(), "secure");
//Assert.assertEquals(cgs2.getPerm(), (short) Short.parseShort("640", 8));
Assert.assertEquals(cgs1.getName(), "PI");
Assert.assertEquals(cgs2.getName(), "General");
Assert.assertEquals(cgs3.getName(), "ULT");
System.out.println("*********** Column Map **********");
Map<String, HashSet<Partition.PartitionInfo.ColumnMappingEntry>> colmap = p
.getPartitionInfo().getColMap();
Assert.assertEquals(colmap.size(), 6);
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, "f6");
Assert.assertEquals(cme.getCGIndex(), 2);
Assert.assertEquals(cme.getFieldIndex(), 1);
} else if (i == 1 && j == 0) {
Assert.assertEquals(name, "f1");
Assert.assertEquals(cme.getCGIndex(), 0);
Assert.assertEquals(cme.getFieldIndex(), 0);
} else if (i == 2 && j == 0) {
Assert.assertEquals(name, "f3");
Assert.assertEquals(cme.getCGIndex(), 1);
Assert.assertEquals(cme.getFieldIndex(), 0);
} else if (i == 3 && j == 0) {
Assert.assertEquals(name, "f2");
Assert.assertEquals(cme.getCGIndex(), 0);
Assert.assertEquals(cme.getFieldIndex(), 1);
} else if (i == 4 && j == 0) {
Assert.assertEquals(name, "f5");
Assert.assertEquals(cme.getCGIndex(), 2);
Assert.assertEquals(cme.getFieldIndex(), 0);
} else if (i == 5 && j == 0) {
Assert.assertEquals(name, "f4");
Assert.assertEquals(cme.getCGIndex(), 1);
Assert.assertEquals(cme.getFieldIndex(), 1);
}
}
}
} catch (Exception e) {
Assert.assertTrue(false);
}
}
@Test
public void testStorageValid2() {
try {
String strStorage = "[f1, f2] serialize by avro compress by gz; [f3, f4] SERIALIZE BY avro COMPRESS BY gz; [f5, f6]";
Partition p = new Partition(schema.toString(), strStorage, null);
CGSchema[] cgschemas = p.getCGSchemas();
Assert.assertEquals(cgschemas.length, 3);
CGSchema cgs1 = cgschemas[0];
System.out.println(cgs1);
CGSchema cgs2 = cgschemas[1];
System.out.println(cgs2);
CGSchema cgs3 = cgschemas[2];
System.out.println(cgs3);
Assert.assertEquals(cgs1.getName(), "CG0");
Assert.assertEquals(cgs2.getName(), "CG1");
Assert.assertEquals(cgs3.getName(), "CG2");
} catch (Exception e) {
e.printStackTrace();
}
}
@Test
public void testStorageValid3() {
try {
String strStorage = "[f1, f2] as PI serialize by avro compress by gz; [f3, f4] as General SERIALIZE BY avro COMPRESS BY gz; [f5, f6]";
Partition p = new Partition(schema.toString(), strStorage, null);
CGSchema[] cgschemas = p.getCGSchemas();
Assert.assertEquals(cgschemas.length, 3);
CGSchema cgs1 = cgschemas[0];
System.out.println(cgs1);
CGSchema cgs2 = cgschemas[1];
System.out.println(cgs2);
CGSchema cgs3 = cgschemas[2];
System.out.println(cgs3);
Assert.assertEquals(cgs1.getName(), "PI");
Assert.assertEquals(cgs2.getName(), "General");
Assert.assertEquals(cgs3.getName(), "CG0");
} catch (Exception e) {
e.printStackTrace();
}
}
@Test
public void testStorageValid4() {
try {
String strStorage = "[f1, f2] as C1 serialize by avro compress by gz; [f3, f4] as C2 SERIALIZE BY avro COMPRESS BY gz; as C3";
Partition p = new Partition(schema.toString(), strStorage, null);
CGSchema[] cgschemas = p.getCGSchemas();
Assert.assertEquals(cgschemas.length, 3);
CGSchema cgs1 = cgschemas[0];
System.out.println(cgs1);
CGSchema cgs2 = cgschemas[1];
System.out.println(cgs2);
CGSchema cgs3 = cgschemas[2];
System.out.println(cgs3);
Assert.assertEquals(cgs1.getName(), "C1");
Assert.assertEquals(cgs2.getName(), "C2");
Assert.assertEquals(cgs3.getName(), "C3");
} catch (Exception e) {
e.printStackTrace();
}
}
@Test
public void testStorageValid5() {
try {
String strStorage = "[f1, f2] as C1 serialize by avro compress by gz; [f3, f4] as C2 SERIALIZE BY avro COMPRESS BY gz;";
Partition p = new Partition(schema.toString(), strStorage, null);
CGSchema[] cgschemas = p.getCGSchemas();
Assert.assertEquals(cgschemas.length, 3);
CGSchema cgs1 = cgschemas[0];
System.out.println(cgs1);
CGSchema cgs2 = cgschemas[1];
System.out.println(cgs2);
CGSchema cgs3 = cgschemas[2];
System.out.println(cgs3);
Assert.assertEquals(cgs1.getName(), "C1");
Assert.assertEquals(cgs2.getName(), "C2");
Assert.assertEquals(cgs3.getName(), "CG0");
} catch (Exception e) {
e.printStackTrace();
}
}
@Test
public void testStorageValid6() {
try {
String strStorage = "[f1, f2] as PI serialize by avro compress by gz; [f3, f4] SERIALIZE BY avro COMPRESS BY gz; [f5, f6] as CG0";
Partition p = new Partition(schema.toString(), strStorage, null);
CGSchema[] cgschemas = p.getCGSchemas();
Assert.assertEquals(cgschemas.length, 3);
CGSchema cgs1 = cgschemas[0];
System.out.println(cgs1);
CGSchema cgs2 = cgschemas[1];
System.out.println(cgs2);
CGSchema cgs3 = cgschemas[2];
System.out.println(cgs3);
Assert.assertEquals(cgs1.getName(), "PI");
Assert.assertEquals(cgs2.getName(), "CG1");
Assert.assertEquals(cgs3.getName(), "CG0");
} catch (Exception e) {
e.printStackTrace();
}
}
@Test
public void testStorageValid7() {
try {
String strStorage = "[f1, f2] as PI serialize by avro compress by gz; [f3, f4] as Pi SERIALIZE BY avro COMPRESS BY gz; [f5, f6] as CG100";
Partition p = new Partition(schema.toString(), strStorage, null);
CGSchema[] cgschemas = p.getCGSchemas();
Assert.assertEquals(cgschemas.length, 3);
CGSchema cgs1 = cgschemas[0];
System.out.println(cgs1);
CGSchema cgs2 = cgschemas[1];
System.out.println(cgs2);
CGSchema cgs3 = cgschemas[2];
System.out.println(cgs3);
Assert.assertEquals(cgs1.getName(), "PI");
Assert.assertEquals(cgs2.getName(), "Pi");
Assert.assertEquals(cgs3.getName(), "CG100");
} catch (Exception e) {
e.printStackTrace();
}
}
/*
* There is no default column group and C3 is skipped.
*/
@Test
public void testStorageValid8() {
try {
String strStorage = "[f1, f2] as C1 serialize by avro compress by gz; [f3, f4, f5, f6] as C2 SERIALIZE BY avro COMPRESS BY gz; as C3 compress by gz";
Partition p = new Partition(schema.toString(), strStorage, null);
CGSchema[] cgschemas = p.getCGSchemas();
Assert.assertEquals(cgschemas.length, 2);
CGSchema cgs1 = cgschemas[0];
System.out.println(cgs1);
CGSchema cgs2 = cgschemas[1];
System.out.println(cgs2);
Assert.assertEquals(cgs1.getName(), "C1");
Assert.assertEquals(cgs2.getName(), "C2");
} catch (Exception e) {
e.printStackTrace();
}
}
@Test
public void testStorageInvalid1() {
try {
String strStorage = "[f1, f2] as C1 serialize by avro compress by gz; [f3, f4] as C1 SERIALIZE BY avro COMPRESS BY gz; [f5, f6] as C3";
Partition p = new Partition(schema.toString(), strStorage, null);
CGSchema[] cgschemas = p.getCGSchemas();
CGSchema cgs1 = cgschemas[0];
System.out.println(cgs1);
Assert.assertTrue(false);
} catch (Exception e) {
String errMsg = e.getMessage();
String str = "Duplicate column group names.";
Assert.assertEquals(errMsg, str);
}
}
@Test
public void testStorageInvalid2() {
try {
String strStorage = "[f1, f2] serialize by avro compress by gz as C1; [f3, f4] as C2 SERIALIZE BY avro COMPRESS BY gz; [f5, f6] as C3";
Partition p = new Partition(schema.toString(), strStorage, null);
CGSchema[] cgschemas = p.getCGSchemas();
CGSchema cgs1 = cgschemas[0];
System.out.println(cgs1);
Assert.assertTrue(false);
} catch (ParseException e) {
System.out.println(e.getMessage());
} catch (IOException e) {
Assert.assertTrue(false);
}
}
}