io.trino.operator.scalar.ArrayFunctions 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.operator.scalar;
import io.trino.spi.block.Block;
import io.trino.spi.block.BlockBuilder;
import io.trino.spi.function.ScalarFunction;
import io.trino.spi.function.SqlType;
import io.trino.spi.type.ArrayType;
import static io.trino.type.UnknownType.UNKNOWN;
public final class ArrayFunctions
{
private ArrayFunctions() {}
@ScalarFunction(value = ArrayConstructor.NAME, hidden = true)
@SqlType("array(unknown)")
public static Block arrayConstructor()
{
BlockBuilder blockBuilder = new ArrayType(UNKNOWN).createBlockBuilder(null, 0);
return blockBuilder.build();
}
}