io.trino.plugin.geospatial.SpatialPartitioningAggregateFunction Maven / Gradle / Ivy
/*
* 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 io.trino.plugin.geospatial;
import io.airlift.slice.Slice;
import io.trino.spi.block.BlockBuilder;
import io.trino.spi.function.AggregationFunction;
import io.trino.spi.function.InputFunction;
import io.trino.spi.function.OutputFunction;
import io.trino.spi.function.SqlType;
import io.trino.spi.type.StandardTypes;
import static io.trino.plugin.geospatial.GeometryType.GEOMETRY_TYPE_NAME;
import static io.trino.plugin.geospatial.SpatialPartitioningAggregateFunction.NAME;
@AggregationFunction(value = NAME, decomposable = false)
public final class SpatialPartitioningAggregateFunction
{
public static final String NAME = "spatial_partitioning";
private SpatialPartitioningAggregateFunction() {}
@InputFunction
public static void input(SpatialPartitioningState state, @SqlType(GEOMETRY_TYPE_NAME) Slice slice)
{
throw new UnsupportedOperationException("spatial_partitioning(geometry) aggregate function should be re-written into spatial_partitioning(geometry, partitionCount)");
}
@OutputFunction(StandardTypes.VARCHAR)
public static void output(SpatialPartitioningState state, BlockBuilder out)
{
throw new UnsupportedOperationException("spatial_partitioning(geometry) aggregate function should be re-written into spatial_partitioning(geometry, partitionCount)");
}
}