io.questdb.griffin.engine.functions.cast.AbstractCastToBooleanFunction Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of questdb Show documentation

QuestDB is high performance SQL time series database

There is a newer version: 8.2.1

/*******************************************************************************
 *     ___                  _   ____  ____
 *    / _ \ _   _  ___  ___| |_|  _ \| __ )
 *   | | | | | | |/ _ \/ __| __| | | |  _ \
 *   | |_| | |_| |  __/\__ \ |_| |_| | |_) |
 *    \__\_\\__,_|\___||___/\__|____/|____/
 *
 *  Copyright (c) 2014-2019 Appsicle
 *  Copyright (c) 2019-2024 QuestDB
 *
 *  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.questdb.griffin.engine.functions.cast;

import io.questdb.cairo.sql.Function;
import io.questdb.griffin.PlanSink;
import io.questdb.griffin.engine.functions.BooleanFunction;
import io.questdb.griffin.engine.functions.UnaryFunction;

public abstract class AbstractCastToBooleanFunction extends BooleanFunction implements UnaryFunction {
    protected final Function arg;

    public AbstractCastToBooleanFunction(Function arg) {
        this.arg = arg;
    }

    @Override
    public Function getArg() {
        return arg;
    }

    @Override
    public void toPlan(PlanSink sink) {
        sink.val(getArg()).val("::boolean");
    }
}