CustomStructWithoutPassthrough.java
/*
* 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.tests;
import com.facebook.presto.common.block.Block;
import com.facebook.presto.spi.function.ScalarFunction;
import com.facebook.presto.spi.function.SqlType;
import com.facebook.presto.spi.function.TypeParameter;
import static com.facebook.presto.common.type.StandardTypes.ROW;
public final class CustomStructWithoutPassthrough
{
private CustomStructWithoutPassthrough() {}
@ScalarFunction(value = "custom_struct_without_passthrough")
@TypeParameter(value = "T", boundedBy = ROW)
@SqlType("T")
public static Block customStructWithoutPassthrough(@SqlType("T") Block struct)
{
return struct;
}
}