/*
* 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.hive;
import com.facebook.presto.spi.SchemaTableName;
import com.facebook.presto.spi.predicate.Domain;
import com.facebook.presto.spi.predicate.NullableValue;
import com.facebook.presto.spi.predicate.TupleDomain;
import com.facebook.presto.spi.predicate.TupleDomain.ColumnDomain;
import com.facebook.presto.spi.type.TypeSignature;
import com.facebook.presto.spi.type.VarcharType;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import io.airlift.slice.Slices;
import org.testng.annotations.Test;
import java.util.Optional;
import static com.facebook.presto.hive.HiveMetadata.createPredicate;
public class TestHiveMetadata
{
private static final HiveColumnHandle TEST_COLUMN_HANDLE = new HiveColumnHandle(
"test",
"test",
HiveType.HIVE_STRING,
TypeSignature.parseTypeSignature("varchar"),
0,
HiveColumnHandle.ColumnType.PARTITION_KEY,
Optional.empty());
@Test(timeOut = 5000)
public void testCreatePredicate()
{
ImmutableList.Builder<HivePartition> partitions = ImmutableList.builder();
for (int i = 0; i < 5_000; i++) {
ColumnDomain<HiveColumnHandle> columnDomain = new ColumnDomain<>(TEST_COLUMN_HANDLE, Domain.singleValue(VarcharType.VARCHAR, Slices.utf8Slice(Integer.toString(i))));
TupleDomain<HiveColumnHandle> tupleDomain = TupleDomain.fromColumnDomains(Optional.of(ImmutableList.of(columnDomain)));
partitions.add(new HivePartition(
new SchemaTableName("test", "test"),
tupleDomain,
Integer.toString(i),
ImmutableMap.of(TEST_COLUMN_HANDLE, NullableValue.of(VarcharType.VARCHAR, Slices.utf8Slice(Integer.toString(i)))), ImmutableList.of()));
}
createPredicate(ImmutableList.of(TEST_COLUMN_HANDLE), partitions.build());
}
@Test
public void testCreateOnlyNullsPredicate()
{
ImmutableList.Builder<HivePartition> partitions = ImmutableList.builder();
for (int i = 0; i < 5; i++) {
ColumnDomain<HiveColumnHandle> columnDomain = new ColumnDomain<>(TEST_COLUMN_HANDLE, Domain.onlyNull(VarcharType.VARCHAR));
TupleDomain<HiveColumnHandle> tupleDomain = TupleDomain.fromColumnDomains(Optional.of(ImmutableList.of(columnDomain)));
partitions.add(new HivePartition(
new SchemaTableName("test", "test"),
tupleDomain,
Integer.toString(i),
ImmutableMap.of(TEST_COLUMN_HANDLE, NullableValue.asNull(VarcharType.VARCHAR)), ImmutableList.of()));
}
createPredicate(ImmutableList.of(TEST_COLUMN_HANDLE), partitions.build());
}
@Test
public void testCreateMixedPredicate()
{
ImmutableList.Builder<HivePartition> partitions = ImmutableList.builder();
for (int i = 0; i < 5; i++) {
ColumnDomain<HiveColumnHandle> columnDomain = new ColumnDomain<>(TEST_COLUMN_HANDLE, Domain.singleValue(VarcharType.VARCHAR, Slices.utf8Slice(Integer.toString(i))));
TupleDomain<HiveColumnHandle> tupleDomain = TupleDomain.fromColumnDomains(Optional.of(ImmutableList.of(columnDomain)));
partitions.add(new HivePartition(
new SchemaTableName("test", "test"),
tupleDomain,
Integer.toString(i),
ImmutableMap.of(TEST_COLUMN_HANDLE, NullableValue.of(VarcharType.VARCHAR, Slices.utf8Slice(Integer.toString(i)))), ImmutableList.of()));
}
ColumnDomain<HiveColumnHandle> columnDomain = new ColumnDomain<>(TEST_COLUMN_HANDLE, Domain.onlyNull(VarcharType.VARCHAR));
TupleDomain<HiveColumnHandle> tupleDomain = TupleDomain.fromColumnDomains(Optional.of(ImmutableList.of(columnDomain)));
partitions.add(new HivePartition(
new SchemaTableName("test", "test"),
tupleDomain,
"null",
ImmutableMap.of(TEST_COLUMN_HANDLE, NullableValue.asNull(VarcharType.VARCHAR)), ImmutableList.of()));
createPredicate(ImmutableList.of(TEST_COLUMN_HANDLE), partitions.build());
}
}