/*
* 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.aggregation;
import com.facebook.presto.metadata.MetadataManager;
import com.facebook.presto.metadata.Signature;
import com.facebook.presto.spi.type.StandardTypes;
import com.google.common.collect.ImmutableList;
import org.testng.annotations.Test;
import java.util.Arrays;
import static com.facebook.presto.block.BlockAssertions.createArrayBigintBlock;
import static com.facebook.presto.block.BlockAssertions.createDoublesBlock;
import static com.facebook.presto.block.BlockAssertions.createRLEBlock;
import static com.facebook.presto.block.BlockAssertions.createStringsBlock;
import static com.facebook.presto.metadata.FunctionKind.AGGREGATE;
import static com.facebook.presto.operator.aggregation.AggregationTestUtils.assertAggregation;
import static com.facebook.presto.spi.type.TypeSignature.parseTypeSignature;
public class TestMinMaxByNAggregation
{
private static final MetadataManager METADATA = MetadataManager.createTestMetadataManager();
@Test
public void testMaxDoubleDouble()
throws Exception
{
InternalAggregationFunction function = METADATA.getFunctionRegistry().getAggregateFunctionImplementation(
new Signature("max_by",
AGGREGATE,
parseTypeSignature("array(double)"),
parseTypeSignature(StandardTypes.DOUBLE),
parseTypeSignature(StandardTypes.DOUBLE),
parseTypeSignature(StandardTypes.BIGINT)));
assertAggregation(
function,
Arrays.asList((Double) null),
createDoublesBlock(1.0, null),
createDoublesBlock(3.0, 5.0),
createRLEBlock(1L, 2));
assertAggregation(
function,
null,
createDoublesBlock(null, null),
createDoublesBlock(null, null),
createRLEBlock(1L, 2));
assertAggregation(
function,
Arrays.asList(1.0),
createDoublesBlock(null, 1.0, null, null),
createDoublesBlock(null, 0.0, null, null),
createRLEBlock(2L, 4));
assertAggregation(
function,
Arrays.asList(1.0),
createDoublesBlock(1.0),
createDoublesBlock(0.0),
createRLEBlock(2L, 1));
assertAggregation(
function,
null,
createDoublesBlock(),
createDoublesBlock(),
createRLEBlock(2L, 0));
assertAggregation(
function,
ImmutableList.of(2.5),
createDoublesBlock(2.5, 2.0, 5.0, 3.0),
createDoublesBlock(4.0, 1.5, 2.0, 3.0),
createRLEBlock(1L, 4));
assertAggregation(
function,
ImmutableList.of(2.5, 3.0),
createDoublesBlock(2.5, 2.0, 5.0, 3.0),
createDoublesBlock(4.0, 1.5, 2.0, 3.0),
createRLEBlock(2L, 4));
}
@Test
public void testMinDoubleDouble()
throws Exception
{
InternalAggregationFunction function = METADATA.getFunctionRegistry().getAggregateFunctionImplementation(
new Signature("min_by",
AGGREGATE,
parseTypeSignature("array(double)"),
parseTypeSignature(StandardTypes.DOUBLE),
parseTypeSignature(StandardTypes.DOUBLE),
parseTypeSignature(StandardTypes.BIGINT)));
assertAggregation(
function,
Arrays.asList((Double) null),
createDoublesBlock(1.0, null),
createDoublesBlock(5.0, 3.0),
createRLEBlock(1L, 2));
assertAggregation(
function,
null,
createDoublesBlock(null, null),
createDoublesBlock(null, null),
createRLEBlock(1L, 2));
assertAggregation(
function,
ImmutableList.of(2.0),
createDoublesBlock(2.5, 2.0, 5.0, 3.0),
createDoublesBlock(4.0, 1.5, 2.0, 3.0),
createRLEBlock(1L, 4));
assertAggregation(
function,
ImmutableList.of(2.0, 5.0),
createDoublesBlock(2.5, 2.0, 5.0, 3.0),
createDoublesBlock(4.0, 1.5, 2.0, 3.0),
createRLEBlock(2L, 4));
}
@Test
public void testMinDoubleVarchar()
{
InternalAggregationFunction function = METADATA.getFunctionRegistry().getAggregateFunctionImplementation(
new Signature("min_by",
AGGREGATE,
parseTypeSignature("array(varchar)"),
parseTypeSignature(StandardTypes.VARCHAR),
parseTypeSignature(StandardTypes.DOUBLE),
parseTypeSignature(StandardTypes.BIGINT)));
assertAggregation(
function,
ImmutableList.of("z", "a"),
createStringsBlock("z", "a", "x", "b"),
createDoublesBlock(1.0, 2.0, 2.0, 3.0),
createRLEBlock(2L, 4));
assertAggregation(
function,
ImmutableList.of("a", "zz"),
createStringsBlock("zz", "hi", "bb", "a"),
createDoublesBlock(0.0, 1.0, 2.0, -1.0),
createRLEBlock(2L, 4));
assertAggregation(
function,
ImmutableList.of("a", "zz"),
createStringsBlock("zz", "hi", null, "a"),
createDoublesBlock(0.0, 1.0, null, -1.0),
createRLEBlock(2L, 4));
}
@Test
public void testMaxDoubleVarchar()
{
InternalAggregationFunction function = METADATA.getFunctionRegistry().getAggregateFunctionImplementation(
new Signature("max_by",
AGGREGATE,
parseTypeSignature("array(varchar)"),
parseTypeSignature(StandardTypes.VARCHAR),
parseTypeSignature(StandardTypes.DOUBLE),
parseTypeSignature(StandardTypes.BIGINT)));
assertAggregation(
function,
ImmutableList.of("a", "z"),
createStringsBlock("z", "a", null),
createDoublesBlock(1.0, 2.0, null),
createRLEBlock(2L, 3));
assertAggregation(
function,
ImmutableList.of("bb", "hi"),
createStringsBlock("zz", "hi", "bb", "a"),
createDoublesBlock(0.0, 1.0, 2.0, -1.0),
createRLEBlock(2L, 4));
assertAggregation(
function,
ImmutableList.of("hi", "zz"),
createStringsBlock("zz", "hi", null, "a"),
createDoublesBlock(0.0, 1.0, null, -1.0),
createRLEBlock(2L, 4));
}
@Test
public void testMinVarcharDouble()
{
InternalAggregationFunction function = METADATA.getFunctionRegistry().getAggregateFunctionImplementation(
new Signature("min_by",
AGGREGATE,
parseTypeSignature("array(double)"),
parseTypeSignature(StandardTypes.DOUBLE),
parseTypeSignature(StandardTypes.VARCHAR),
parseTypeSignature(StandardTypes.BIGINT)));
assertAggregation(
function,
ImmutableList.of(2.0, 3.0),
createDoublesBlock(1.0, 2.0, 2.0, 3.0),
createStringsBlock("z", "a", "x", "b"),
createRLEBlock(2L, 4));
assertAggregation(
function,
ImmutableList.of(-1.0, 2.0),
createDoublesBlock(0.0, 1.0, 2.0, -1.0),
createStringsBlock("zz", "hi", "bb", "a"),
createRLEBlock(2L, 4));
assertAggregation(
function,
ImmutableList.of(-1.0, 1.0),
createDoublesBlock(0.0, 1.0, null, -1.0),
createStringsBlock("zz", "hi", null, "a"),
createRLEBlock(2L, 4));
}
@Test
public void testMaxVarcharDouble()
{
InternalAggregationFunction function = METADATA.getFunctionRegistry().getAggregateFunctionImplementation(
new Signature("max_by",
AGGREGATE,
parseTypeSignature("array(double)"),
parseTypeSignature(StandardTypes.DOUBLE),
parseTypeSignature(StandardTypes.VARCHAR),
parseTypeSignature(StandardTypes.BIGINT)));
assertAggregation(
function,
ImmutableList.of(1.0, 2.0),
createDoublesBlock(1.0, 2.0, null),
createStringsBlock("z", "a", null),
createRLEBlock(2L, 3));
assertAggregation(
function,
ImmutableList.of(0.0, 1.0),
createDoublesBlock(0.0, 1.0, 2.0, -1.0),
createStringsBlock("zz", "hi", "bb", "a"),
createRLEBlock(2L, 4));
assertAggregation(
function,
ImmutableList.of(0.0, 1.0),
createDoublesBlock(0.0, 1.0, null, -1.0),
createStringsBlock("zz", "hi", null, "a"),
createRLEBlock(2L, 4));
}
@Test
public void testMinVarcharArray()
{
InternalAggregationFunction function = METADATA.getFunctionRegistry().getAggregateFunctionImplementation(
new Signature("min_by",
AGGREGATE,
parseTypeSignature("array(array(bigint))"),
parseTypeSignature("array(bigint)"),
parseTypeSignature(StandardTypes.VARCHAR),
parseTypeSignature(StandardTypes.BIGINT)));
assertAggregation(
function,
ImmutableList.of(ImmutableList.of(2L, 3L), ImmutableList.of(4L, 5L)),
createArrayBigintBlock(ImmutableList.of(ImmutableList.of(1L, 2L), ImmutableList.of(2L, 3L), ImmutableList.of(3L, 4L), ImmutableList.of(4L, 5L))),
createStringsBlock("z", "a", "x", "b"),
createRLEBlock(2L, 4));
}
@Test
public void testMaxVarcharArray()
{
InternalAggregationFunction function = METADATA.getFunctionRegistry().getAggregateFunctionImplementation(
new Signature("max_by",
AGGREGATE,
parseTypeSignature("array(array(bigint))"),
parseTypeSignature("array(bigint)"),
parseTypeSignature(StandardTypes.VARCHAR),
parseTypeSignature(StandardTypes.BIGINT)));
assertAggregation(
function,
ImmutableList.of(ImmutableList.of(1L, 2L), ImmutableList.of(3L, 4L)),
createArrayBigintBlock(ImmutableList.of(ImmutableList.of(1L, 2L), ImmutableList.of(2L, 3L), ImmutableList.of(3L, 4L), ImmutableList.of(4L, 5L))),
createStringsBlock("z", "a", "x", "b"),
createRLEBlock(2L, 4));
}
@Test
public void testMinArrayVarchar()
{
InternalAggregationFunction function = METADATA.getFunctionRegistry().getAggregateFunctionImplementation(
new Signature("min_by",
AGGREGATE,
parseTypeSignature("array(varchar)"),
parseTypeSignature(StandardTypes.VARCHAR),
parseTypeSignature("array(bigint)"),
parseTypeSignature(StandardTypes.BIGINT)));
assertAggregation(
function,
ImmutableList.of("b", "x", "z"),
createStringsBlock("z", "a", "x", "b"),
createArrayBigintBlock(ImmutableList.of(ImmutableList.of(1L, 2L), ImmutableList.of(2L, 3L), ImmutableList.of(0L, 3L), ImmutableList.of(0L, 2L))),
createRLEBlock(3L, 4));
}
@Test
public void testMaxArrayVarchar()
{
InternalAggregationFunction function = METADATA.getFunctionRegistry().getAggregateFunctionImplementation(
new Signature("max_by",
AGGREGATE,
parseTypeSignature("array(varchar)"),
parseTypeSignature(StandardTypes.VARCHAR),
parseTypeSignature("array(bigint)"),
parseTypeSignature(StandardTypes.BIGINT)));
assertAggregation(
function,
ImmutableList.of("a", "z", "x"),
createStringsBlock("z", "a", "x", "b"),
createArrayBigintBlock(ImmutableList.of(ImmutableList.of(1L, 2L), ImmutableList.of(2L, 3L), ImmutableList.of(0L, 3L), ImmutableList.of(0L, 2L))),
createRLEBlock(3L, 4));
}
}