SelectHintLeading.java

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// to you 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
//
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package org.apache.doris.nereids.properties;

import java.util.List;
import java.util.stream.Collectors;

/**
 * select hint.
 * e.g. set_var(query_timeout='1800', exec_mem_limit='2147483648')
 */
public class SelectHintLeading extends SelectHint {
    // e.g. query_timeout='1800', exec_mem_limit='2147483648'
    private final List<String> parameters;

    public SelectHintLeading(String hintName, List<String> parameters) {
        super(hintName);
        this.parameters = parameters;
    }

    public List<String> getParameters() {
        return parameters;
    }

    @Override
    public String toString() {
        String leadingString = parameters
                .stream()
                .collect(Collectors.joining(" "));
        return super.getHintName() + "(" + leadingString + ")";
    }
}