/*
* Licensed 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 com.facebook.presto.operator;
import com.facebook.presto.operator.project.PageProcessor;
import com.facebook.presto.spi.Page;
import com.facebook.presto.spi.type.Type;
import com.facebook.presto.sql.gen.ExpressionCompiler;
import com.google.common.collect.ImmutableList;
import org.testng.annotations.Test;
import java.util.List;
import java.util.Optional;
import static com.facebook.presto.SequencePageBuilder.createSequencePage;
import static com.facebook.presto.SequencePageBuilder.createSequencePageWithDictionaryBlocks;
import static com.facebook.presto.metadata.MetadataManager.createTestMetadataManager;
import static com.facebook.presto.operator.PageAssertions.assertPageEquals;
import static com.facebook.presto.spi.type.BigintType.BIGINT;
import static com.facebook.presto.spi.type.VarcharType.VARCHAR;
import static com.facebook.presto.sql.relational.Expressions.field;
import static com.facebook.presto.testing.TestingConnectorSession.SESSION;
import static com.google.common.collect.Iterators.getOnlyElement;
public class TestColumnarPageProcessor
{
private static final int POSITIONS = 100;
private final List<Type> types = ImmutableList.of(BIGINT, VARCHAR);
private final PageProcessor processor = new ExpressionCompiler(createTestMetadataManager())
.compilePageProcessor(Optional.empty(), ImmutableList.of(field(0, types.get(0)), field(1, types.get(1)))).get();
@Test
public void testProcess()
throws Exception
{
Page page = createPage(types, false);
Page outputPage = getOnlyElement(processor.process(SESSION, page));
assertPageEquals(types, outputPage, page);
}
@Test
public void testProcessWithDictionary()
throws Exception
{
Page page = createPage(types, true);
Page outputPage = getOnlyElement(processor.process(SESSION, page));
assertPageEquals(types, outputPage, page);
}
private static Page createPage(List<? extends Type> types, boolean dictionary)
{
return dictionary ? createSequencePageWithDictionaryBlocks(types, POSITIONS) : createSequencePage(types, POSITIONS);
}
}