com.facebook.presto.functionNamespace.execution.NoopSqlFunctionExecutor 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 com.facebook.presto.functionNamespace.execution;
import com.facebook.presto.common.Page;
import com.facebook.presto.common.block.BlockEncodingSerde;
import com.facebook.presto.common.function.SqlFunctionResult;
import com.facebook.presto.common.type.Type;
import com.facebook.presto.spi.function.FunctionImplementationType;
import com.facebook.presto.spi.function.RemoteScalarFunctionImplementation;
import com.facebook.presto.spi.function.SqlFunctionExecutor;
import java.util.List;
import java.util.concurrent.CompletableFuture;
/**
* A dummy class to handle the case where there is no SQL function executor registered
*/
public class NoopSqlFunctionExecutor
implements SqlFunctionExecutor
{
public FunctionImplementationType getImplementationType()
{
throw new UnsupportedOperationException("no SQL function executor is registered");
}
public void setBlockEncodingSerde(BlockEncodingSerde blockEncodingSerde)
{
// no-op
}
public CompletableFuture executeFunction(
String source,
RemoteScalarFunctionImplementation functionImplementation,
Page input,
List channels,
List argumentTypes,
Type returnType)
{
throw new UnsupportedOperationException("no SQL function executor is registered");
}
}
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