/*
* 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.cassandra.util;
import com.facebook.presto.cassandra.CassandraClusteringPredicatesExtractor;
import com.facebook.presto.cassandra.CassandraColumnHandle;
import com.facebook.presto.cassandra.CassandraTable;
import com.facebook.presto.cassandra.CassandraTableHandle;
import com.facebook.presto.cassandra.CassandraType;
import com.facebook.presto.spi.ColumnHandle;
import com.facebook.presto.spi.predicate.Domain;
import com.facebook.presto.spi.predicate.TupleDomain;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;
import java.util.List;
import static com.facebook.presto.spi.type.BigintType.BIGINT;
import static org.testng.Assert.assertEquals;
public class TestCassandraClusteringPredicatesExtractor
{
private static CassandraColumnHandle col1;
private static CassandraColumnHandle col2;
private static CassandraColumnHandle col3;
private static CassandraColumnHandle col4;
private static CassandraTable cassandraTable;
@BeforeTest
void setUp()
throws Exception
{
col1 = new CassandraColumnHandle("cassandra", "partitionKey1", 1, CassandraType.BIGINT, null, true, false, false, false);
col2 = new CassandraColumnHandle("cassandra", "clusteringKey1", 2, CassandraType.BIGINT, null, false, true, false, false);
col3 = new CassandraColumnHandle("cassandra", "clusteringKey2", 3, CassandraType.BIGINT, null, false, true, false, false);
col4 = new CassandraColumnHandle("cassandra", "clusteringKe3", 4, CassandraType.BIGINT, null, false, true, false, false);
cassandraTable = new CassandraTable(
new CassandraTableHandle("cassandra", "test", "records"), ImmutableList.of(col1, col2, col3, col4));
}
@Test
public void testBuildClusteringPredicate()
{
TupleDomain<ColumnHandle> tupleDomain = TupleDomain.withColumnDomains(
ImmutableMap.of(
col1, Domain.singleValue(BIGINT, 23L),
col2, Domain.singleValue(BIGINT, 34L),
col4, Domain.singleValue(BIGINT, 26L)));
CassandraClusteringPredicatesExtractor predicatesExtractor = new CassandraClusteringPredicatesExtractor(cassandraTable.getClusteringKeyColumns(), tupleDomain);
List<String> predicate = predicatesExtractor.getClusteringKeyPredicates();
assertEquals(predicate.get(0), new StringBuilder("\"clusteringKey1\" = 34").toString());
}
@Test
public void testGetUnenforcedPredicates()
{
TupleDomain<ColumnHandle> tupleDomain = TupleDomain.withColumnDomains(
ImmutableMap.of(
col2, Domain.singleValue(BIGINT, 34L),
col4, Domain.singleValue(BIGINT, 26L)));
CassandraClusteringPredicatesExtractor predicatesExtractor = new CassandraClusteringPredicatesExtractor(cassandraTable.getClusteringKeyColumns(), tupleDomain);
TupleDomain<ColumnHandle> unenforcedPredicates = TupleDomain.withColumnDomains(ImmutableMap.of(col4, Domain.singleValue(BIGINT, 26L)));
assertEquals(predicatesExtractor.getUnenforcedConstraints(), unenforcedPredicates);
}
}