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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;
import org.apache.drill.categories.PlannerTest;
import org.apache.drill.exec.ExecConstants;
import org.apache.drill.exec.compile.ClassCompilerSelector;
import org.apache.drill.exec.compile.ClassTransformer;
import org.apache.drill.test.ClusterFixture;
import org.apache.drill.test.ClusterFixtureBuilder;
import org.apache.drill.test.ClusterTest;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.List;
/**
* Test the optimizer plan in terms of projecting different functions e.g. cast
*/
@Category(PlannerTest.class)
public class TestProjectWithFunctions extends ClusterTest {
@BeforeClass
public static void setupFiles() {
dirTestWatcher.copyResourceToRoot(Paths.get("view"));
}
@Before
public void setup() throws Exception {
ClusterFixtureBuilder builder = ClusterFixture.builder(dirTestWatcher);
startCluster(builder);
}
@Test
public void testCastFunctions() throws Exception {
String sql = "select t1.f from dfs.`view/emp_6212.view.drill` as t inner join dfs.`view/emp_6212.view.drill` as t1 " +
"on cast(t.f as int) = cast(t1.f as int) and cast(t.f as int) = 10 and cast(t1.f as int) = 10";
queryBuilder().sql(sql).run();
}
@Test // DRILL-6524
public void testCaseWithColumnsInClause() throws Exception {
String sql =
"select\n" +
"case when a = 3 then a else b end as c,\n" +
"case when a = 1 then a else b end as d\n" +
"from (values(1, 2)) t(a, b)";
try {
client.alterSession(ExecConstants.SCALAR_REPLACEMENT_OPTION, ClassTransformer.ScalarReplacementOption.ON.name());
List<String> compilers = Arrays.asList(ClassCompilerSelector.CompilerPolicy.JANINO.name(),
ClassCompilerSelector.CompilerPolicy.JDK.name());
for (String compilerName : compilers) {
client.alterSession(ClassCompilerSelector.JAVA_COMPILER_OPTION, compilerName);
testBuilder()
.sqlQuery(sql)
.unOrdered()
.baselineColumns("c", "d")
.baselineValues(2L, 1L)
.go();
}
} finally {
client.resetSession(ExecConstants.SCALAR_REPLACEMENT_OPTION);
client.resetSession(ClassCompilerSelector.JAVA_COMPILER_OPTION);
}
}
@Test // DRILL-6722
public void testCaseWithColumnExprsInClause() throws Exception {
String sqlCreate =
"create table dfs.tmp.test as \n" +
"select 1 as a, 2 as b\n" +
"union all\n" +
"select 3 as a, 2 as b\n" +
"union all\n" +
"select 1 as a, 4 as b\n" +
"union all\n" +
"select 2 as a, 2 as b";
try {
run(sqlCreate);
String sql =
"select\n" +
"case when s.a > s.b then s.a else s.b end as b, \n" +
"abs(s.a - s.b) as d\n" +
"from dfs.tmp.test s";
client.alterSession(ExecConstants.SCALAR_REPLACEMENT_OPTION, ClassTransformer.ScalarReplacementOption.ON.name());
List<String> compilers = Arrays.asList(ClassCompilerSelector.CompilerPolicy.JANINO.name(),
ClassCompilerSelector.CompilerPolicy.JDK.name());
for (String compilerName : compilers) {
client.alterSession(ClassCompilerSelector.JAVA_COMPILER_OPTION, compilerName);
testBuilder()
.sqlQuery(sql)
.unOrdered()
.baselineColumns("b", "d")
.baselineValues(2, 1)
.baselineValues(3, 1)
.baselineValues(4, 3)
.baselineValues(2, 0)
.go();
}
} finally {
run("drop table if exists dfs.tmp.test");
client.resetSession(ExecConstants.SCALAR_REPLACEMENT_OPTION);
client.resetSession(ClassCompilerSelector.JAVA_COMPILER_OPTION);
}
}
@Test // DRILL-5581
public void testCaseWithColumnExprsOnView() throws Exception {
String sqlCreate =
"CREATE VIEW dfs.tmp.`vw_order_sample_csv` as\n" +
"SELECT\n" +
"a AS `ND`,\n" +
"CAST(b AS BIGINT) AS `col1`,\n" +
"CAST(c AS BIGINT) AS `col2`\n" +
"FROM (values('202634342',20000101,20160301)) as t(a, b, c)";
try {
run(sqlCreate);
String sql =
"select\n" +
"case when col1 > col2 then col1 else col2 end as temp_col,\n" +
"case when col1 = 20000101 and (20170302 - col2) > 10000 then 'D'\n" +
"when col2 = 20000101 then 'P' when col1 - col2 > 10000 then '0'\n" +
"else 'A' end as status\n" +
"from dfs.tmp.`vw_order_sample_csv`";
client.alterSession(ExecConstants.SCALAR_REPLACEMENT_OPTION, ClassTransformer.ScalarReplacementOption.ON.name());
List<String> compilers = Arrays.asList(ClassCompilerSelector.CompilerPolicy.JANINO.name(),
ClassCompilerSelector.CompilerPolicy.JDK.name());
for (String compilerName : compilers) {
client.alterSession(ClassCompilerSelector.JAVA_COMPILER_OPTION, compilerName);
testBuilder()
.sqlQuery(sql)
.unOrdered()
.baselineColumns("temp_col", "status")
.baselineValues(20160301L, "D")
.go();
}
} finally {
run("drop view if exists dfs.tmp.`vw_order_sample_csv`");
client.resetSession(ExecConstants.SCALAR_REPLACEMENT_OPTION);
client.resetSession(ClassCompilerSelector.JAVA_COMPILER_OPTION);
}
}
}
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