/*
* 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.window;
import org.testng.annotations.Test;
import static com.facebook.presto.SessionTestUtils.TEST_SESSION;
import static com.facebook.presto.spi.type.BigintType.BIGINT;
import static com.facebook.presto.spi.type.DoubleType.DOUBLE;
import static com.facebook.presto.spi.type.IntegerType.INTEGER;
import static com.facebook.presto.spi.type.VarcharType.VARCHAR;
import static com.facebook.presto.testing.MaterializedResult.resultBuilder;
public class TestCumulativeDistributionFunction
extends AbstractTestWindowFunction
{
@Test
public void testCumulativeDistribution()
{
assertWindowQuery("cume_dist() OVER (PARTITION BY orderstatus ORDER BY orderkey)",
resultBuilder(TEST_SESSION, INTEGER, VARCHAR, DOUBLE)
.row(3, "F", 0.25)
.row(5, "F", 0.5)
.row(6, "F", 0.75)
.row(33, "F", 1.0)
.row(1, "O", 1 / 6.0)
.row(2, "O", 2 / 6.0)
.row(4, "O", 3 / 6.0)
.row(7, "O", 4 / 6.0)
.row(32, "O", 5 / 6.0)
.row(34, "O", 1.0)
.build());
assertWindowQueryWithNulls("cume_dist() OVER (PARTITION BY orderstatus ORDER BY orderkey)",
resultBuilder(TEST_SESSION, BIGINT, VARCHAR, DOUBLE)
.row(3L, "F", 0.25)
.row(5L, "F", 0.5)
.row(6L, "F", 0.75)
.row(null, "F", 1.0)
.row(34L, "O", 0.5)
.row(null, "O", 1.0)
.row(1L, null, 0.25)
.row(7L, null, 0.5)
.row(null, null, 1.0)
.row(null, null, 1.0)
.build());
assertWindowQuery("cume_dist() OVER (ORDER BY orderkey)",
resultBuilder(TEST_SESSION, INTEGER, VARCHAR, DOUBLE)
.row(1, "O", 0.1)
.row(2, "O", 0.2)
.row(3, "F", 0.3)
.row(4, "O", 0.4)
.row(5, "F", 0.5)
.row(6, "F", 0.6)
.row(7, "O", 0.7)
.row(32, "O", 0.8)
.row(33, "F", 0.9)
.row(34, "O", 1.0)
.build());
assertWindowQueryWithNulls("cume_dist() OVER (ORDER BY orderkey)",
resultBuilder(TEST_SESSION, BIGINT, VARCHAR, DOUBLE)
.row(1L, null, 0.1)
.row(3L, "F", 0.2)
.row(5L, "F", 0.3)
.row(6L, "F", 0.4)
.row(7L, null, 0.5)
.row(34L, "O", 0.6)
.row(null, "F", 1.0)
.row(null, "O", 1.0)
.row(null, null, 1.0)
.row(null, null, 1.0)
.build());
assertWindowQuery("cume_dist() OVER (ORDER BY orderstatus)",
resultBuilder(TEST_SESSION, INTEGER, VARCHAR, DOUBLE)
.row(3, "F", 0.4)
.row(5, "F", 0.4)
.row(6, "F", 0.4)
.row(33, "F", 0.4)
.row(1, "O", 1.0)
.row(2, "O", 1.0)
.row(4, "O", 1.0)
.row(7, "O", 1.0)
.row(32, "O", 1.0)
.row(34, "O", 1.0)
.build());
assertWindowQueryWithNulls("cume_dist() OVER (ORDER BY orderstatus)",
resultBuilder(TEST_SESSION, BIGINT, VARCHAR, DOUBLE)
.row(3L, "F", 0.4)
.row(5L, "F", 0.4)
.row(6L, "F", 0.4)
.row(null, "F", 0.4)
.row(34L, "O", 0.6)
.row(null, "O", 0.6)
.row(1L, null, 1.0)
.row(7L, null, 1.0)
.row(null, null, 1.0)
.row(null, null, 1.0)
.build());
assertWindowQuery("cume_dist() OVER (PARTITION BY orderkey)",
resultBuilder(TEST_SESSION, INTEGER, VARCHAR, DOUBLE)
.row(1, "O", 1.0)
.row(2, "O", 1.0)
.row(3, "F", 1.0)
.row(4, "O", 1.0)
.row(5, "F", 1.0)
.row(6, "F", 1.0)
.row(7, "O", 1.0)
.row(32, "O", 1.0)
.row(33, "F", 1.0)
.row(34, "O", 1.0)
.build());
assertWindowQueryWithNulls("cume_dist() OVER (PARTITION BY orderkey)",
resultBuilder(TEST_SESSION, BIGINT, VARCHAR, DOUBLE)
.row(1L, null, 1.0)
.row(3L, "F", 1.0)
.row(5L, "F", 1.0)
.row(6L, "F", 1.0)
.row(7L, null, 1.0)
.row(34L, "O", 1.0)
.row(null, "F", 1.0)
.row(null, "O", 1.0)
.row(null, null, 1.0)
.row(null, null, 1.0)
.build());
}
}