io.trino.sql.relational.VariableReferenceExpression Maven / Gradle / Ivy

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/*
 * 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.sql.relational;

import io.trino.spi.type.Type;

import static java.util.Objects.requireNonNull;

public record VariableReferenceExpression(String name, Type type)
        implements RowExpression
{
    public VariableReferenceExpression
    {
        requireNonNull(name, "name is null");
        requireNonNull(type, "type is null");
    }

    @Override
    public String toString()
    {
        return name;
    }

    @Override
    public  R accept(RowExpressionVisitor visitor, C context)
    {
        return visitor.visitVariableReference(this, context);
    }
}