1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
/*
* 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.drill.exec.cache;
import static org.apache.drill.test.rowSet.RowSetUtilities.objArray;
import static org.apache.drill.test.rowSet.RowSetUtilities.strArray;
import static org.junit.Assert.assertTrue;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.channels.FileChannel;
import java.nio.file.StandardOpenOption;
import org.apache.drill.common.types.TypeProtos.MinorType;
import org.apache.drill.exec.cache.VectorSerializer.Reader;
import org.apache.drill.exec.record.BatchSchema;
import org.apache.drill.exec.record.VectorContainer;
import org.apache.drill.exec.record.selection.SelectionVector2;
import org.apache.drill.test.DirTestWatcher;
import org.apache.drill.test.DrillTest;
import org.apache.drill.test.OperatorFixture;
import org.apache.drill.test.rowSet.RowSet;
import org.apache.drill.test.rowSet.RowSet.ExtendableRowSet;
import org.apache.drill.test.rowSet.RowSet.SingleRowSet;
import org.apache.drill.test.rowSet.RowSetComparison;
import org.apache.drill.test.rowSet.RowSetUtilities;
import org.apache.drill.test.rowSet.RowSetWriter;
import org.apache.drill.test.rowSet.schema.SchemaBuilder;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.ClassRule;
import org.junit.Test;
public class TestBatchSerialization extends DrillTest {
@ClassRule
public static final DirTestWatcher dirTestWatcher = new DirTestWatcher();
public static OperatorFixture fixture;
@BeforeClass
public static void setUpBeforeClass() throws Exception {
fixture = OperatorFixture.builder().build();
}
@AfterClass
public static void tearDownAfterClass() throws Exception {
fixture.close();
}
public SingleRowSet makeRowSet(BatchSchema schema, int rowCount) {
ExtendableRowSet rowSet = fixture.rowSet(schema);
RowSetWriter writer = rowSet.writer(rowCount);
for (int i = 0; i < rowCount; i++) {
RowSetUtilities.setFromInt(writer, 0, i);
writer.save();
}
writer.done();
return rowSet;
}
public SingleRowSet makeNullableRowSet(BatchSchema schema, int rowCount) {
ExtendableRowSet rowSet = fixture.rowSet(schema);
RowSetWriter writer = rowSet.writer(rowCount);
for (int i = 0; i < rowCount; i++) {
if (i % 2 == 0) {
RowSetUtilities.setFromInt(writer, 0, i);
} else {
writer.scalar(0).setNull();
}
writer.save();
}
writer.done();
return rowSet;
}
public void testType(MinorType type) throws IOException {
testNonNullType(type);
testNullableType(type);
}
public void testNonNullType(MinorType type) throws IOException {
BatchSchema schema = new SchemaBuilder( )
.add("col", type)
.build();
int rowCount = 20;
verifySerialize(makeRowSet(schema, rowCount),
makeRowSet(schema, rowCount));
}
public void testNullableType(MinorType type) throws IOException {
BatchSchema schema = new SchemaBuilder( )
.addNullable("col", type)
.build();
int rowCount = 20;
verifySerialize(makeNullableRowSet(schema, rowCount),
makeNullableRowSet(schema, rowCount));
}
/**
* Verify serialize and deserialize. Need to pass both the
* input and expected (even though the expected should be the same
* data as the input) because the act of serializing clears the
* input for obscure historical reasons.
*
* @param rowSet
* @param expected
* @throws IOException
*/
private void verifySerialize(SingleRowSet rowSet, SingleRowSet expected) throws IOException {
File dir = DirTestWatcher.createTempDir(dirTestWatcher.getDir());
FileChannel channel = FileChannel.open(new File(dir, "serialize.dat").toPath(), StandardOpenOption.CREATE, StandardOpenOption.WRITE);
VectorSerializer.Writer writer = VectorSerializer.writer(channel);
VectorContainer container = rowSet.container();
SelectionVector2 sv2 = rowSet.getSv2();
writer.write(container, sv2);
container.clear();
if (sv2 != null) {
sv2.clear();
}
writer.close();
File outFile = new File(dir, "serialize.dat");
assertTrue(outFile.exists());
assertTrue(outFile.isFile());
RowSet result;
try (InputStream in = new BufferedInputStream(new FileInputStream(outFile))) {
Reader reader = VectorSerializer.reader(fixture.allocator(), in);
result = fixture.wrap(reader.read(), reader.sv2());
}
new RowSetComparison(expected)
.verifyAndClearAll(result);
outFile.delete();
}
@Test
public void testTypes() throws IOException {
testType(MinorType.TINYINT);
testType(MinorType.UINT1);
testType(MinorType.SMALLINT);
testType(MinorType.UINT2);
testType(MinorType.INT);
testType(MinorType.UINT4);
testType(MinorType.BIGINT);
testType(MinorType.UINT8);
testType(MinorType.FLOAT4);
testType(MinorType.FLOAT8);
testType(MinorType.DECIMAL9);
testType(MinorType.DECIMAL18);
testType(MinorType.DECIMAL28SPARSE);
testType(MinorType.DECIMAL38SPARSE);
// testType(MinorType.DECIMAL28DENSE); No writer
// testType(MinorType.DECIMAL38DENSE); No writer
testType(MinorType.DATE);
testType(MinorType.TIME);
testType(MinorType.TIMESTAMP);
testType(MinorType.INTERVAL);
testType(MinorType.INTERVALYEAR);
testType(MinorType.INTERVALDAY);
}
private SingleRowSet buildMapSet(BatchSchema schema) {
return fixture.rowSetBuilder(schema)
.addRow(1, objArray(100, "first"))
.addRow(2, objArray(200, "second"))
.addRow(3, objArray(300, "third"))
.build();
}
private SingleRowSet buildArraySet(BatchSchema schema) {
return fixture.rowSetBuilder(schema)
.addRow(1, strArray("first, second, third"))
.addRow(2, null)
.addRow(3, strArray("third, fourth, fifth"))
.build();
}
/**
* Tests a map type and an SV2.
*
* @throws IOException
*/
@Test
public void testMap() throws IOException {
BatchSchema schema = new SchemaBuilder()
.add("top", MinorType.INT)
.addMap("map")
.add("key", MinorType.INT)
.add("value", MinorType.VARCHAR)
.resumeSchema()
.build();
verifySerialize(buildMapSet(schema).toIndirect(),
buildMapSet(schema));
}
@Test
public void testArray() throws IOException {
BatchSchema schema = new SchemaBuilder()
.add("top", MinorType.INT)
.addArray("arr", MinorType.VARCHAR)
.build();
verifySerialize(buildArraySet(schema).toIndirect(),
buildArraySet(schema));
}
}
|
