io.trino.metadata.SqlScalarFunction 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.metadata;
import io.trino.operator.scalar.SpecializedSqlScalarFunction;
import io.trino.spi.function.BoundSignature;
import io.trino.spi.function.FunctionDependencies;
import io.trino.spi.function.FunctionMetadata;
public abstract class SqlScalarFunction
implements SqlFunction
{
private final FunctionMetadata functionMetadata;
protected SqlScalarFunction(FunctionMetadata functionMetadata)
{
this.functionMetadata = functionMetadata;
}
@Override
public FunctionMetadata getFunctionMetadata()
{
return functionMetadata;
}
public SpecializedSqlScalarFunction specialize(BoundSignature boundSignature, FunctionDependencies functionDependencies)
{
return specialize(boundSignature);
}
protected SpecializedSqlScalarFunction specialize(BoundSignature boundSignature)
{
throw new UnsupportedOperationException();
}
}