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/*
* 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.physical.unit;
import java.util.Collections;
import java.util.List;
import org.apache.drill.categories.PlannerTest;
import org.apache.drill.common.types.TypeProtos;
import org.apache.drill.common.util.DrillFileUtils;
import org.apache.drill.exec.physical.base.PhysicalOperator;
import org.apache.drill.exec.physical.config.Filter;
import org.apache.drill.exec.physical.config.UnionAll;
import org.apache.drill.exec.record.BatchSchema;
import org.apache.drill.exec.record.RecordBatch;
import org.apache.drill.exec.record.metadata.SchemaBuilder;
import org.apache.drill.exec.store.dfs.DrillFileSystem;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.apache.drill.shaded.guava.com.google.common.collect.Lists;
/**
* This class contains examples to show how to use MiniPlanTestBuilder to test a
* specific plan fragment (MiniPlan). Each testcase requires 1) a RecordBatch,
* built from PopBuilder/ScanBuilder, 2)an expected schema and base line values,
* or 3) indicating no batch is expected.
*/
@Category(PlannerTest.class)
public class TestMiniPlan extends MiniPlanUnitTestBase {
protected static DrillFileSystem fs;
@BeforeClass
public static void initFS() throws Exception {
Configuration conf = new Configuration();
conf.set(FileSystem.FS_DEFAULT_NAME_KEY, FileSystem.DEFAULT_FS);
fs = new DrillFileSystem(conf);
}
@Test
public void testSimpleParquetScan() throws Exception {
String file = DrillFileUtils.getResourceAsFile("/tpchmulti/region/01.parquet").toURI().toString();
List<Path> filePath = Collections.singletonList(new Path(file));
RecordBatch scanBatch = new ParquetScanBuilder()
.fileSystem(fs)
.columnsToRead("R_REGIONKEY")
.inputPaths(filePath)
.build();
BatchSchema expectedSchema = new SchemaBuilder()
.add("R_REGIONKEY", TypeProtos.MinorType.BIGINT)
.build();
new MiniPlanTestBuilder()
.root(scanBatch)
.expectSchema(expectedSchema)
.baselineValues(0L)
.baselineValues(1L)
.go();
}
@Test
public void testSimpleJson() throws Exception {
List<String> jsonBatches = Lists.newArrayList(
"{\"a\":100}"
);
RecordBatch scanBatch = new JsonScanBuilder()
.jsonBatches(jsonBatches)
.build();
BatchSchema expectedSchema = new SchemaBuilder()
.addNullable("a", TypeProtos.MinorType.BIGINT)
.build();
new MiniPlanTestBuilder()
.root(scanBatch)
.expectSchema(expectedSchema)
.baselineValues(100L)
.go();
}
@Test
public void testUnionFilter() throws Exception {
List<String> leftJsonBatches = Lists.newArrayList(
"[{\"a\": 5, \"b\" : 1 }]",
"[{\"a\": 5, \"b\" : 5},{\"a\": 3, \"b\" : 8}]",
"[{\"a\": 40, \"b\" : 3},{\"a\": 13, \"b\" : 100}]");
List<String> rightJsonBatches = Lists.newArrayList(
"[{\"a\": 5, \"b\" : 10 }]",
"[{\"a\": 50, \"b\" : 100}]");
RecordBatch batch = new PopBuilder()
.physicalOperator(new UnionAll(Collections.<PhysicalOperator> emptyList())) // Children list is provided through RecordBatch
.addInputAsChild()
.physicalOperator(new Filter(null, parseExpr("a=5"), 1.0f))
.addJsonScanAsChild()
.jsonBatches(leftJsonBatches)
.columnsToRead("a", "b")
.buildAddAsInput()
.buildAddAsInput()
.addInputAsChild()
.physicalOperator(new Filter(null, parseExpr("a=50"), 1.0f))
.addJsonScanAsChild()
.jsonBatches(rightJsonBatches)
.columnsToRead("a", "b")
.buildAddAsInput()
.buildAddAsInput()
.build();
BatchSchema expectedSchema = new SchemaBuilder()
.addNullable("a", TypeProtos.MinorType.BIGINT)
.addNullable("b", TypeProtos.MinorType.BIGINT)
.withSVMode(BatchSchema.SelectionVectorMode.NONE)
.build();
new MiniPlanTestBuilder()
.root(batch)
.expectSchema(expectedSchema)
.baselineValues(5l, 1l)
.baselineValues(5l, 5l)
.baselineValues(50l, 100l)
.go();
}
}
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