CTEId.java

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package org.apache.doris.nereids.trees.expressions;

import org.apache.doris.common.Id;
import org.apache.doris.common.IdGenerator;

/**
 * It is believed that use a specific definition for CTE could fascinatingly avoid careless codes and bugs.
 */
public class CTEId extends Id<CTEId> {

    public static final CTEId DEFAULT = new CTEId(Integer.MIN_VALUE);

    public CTEId(int id) {
        super(id);
    }

    /**
     * Should be only called by {@link StatementScopeIdGenerator}.
     */
    public static IdGenerator<CTEId> createGenerator() {
        return new IdGenerator<CTEId>() {
            @Override
            public CTEId getNextId() {
                return new CTEId(nextId++);
            }
        };
    }

    @Override
    public String toString() {
        return "CTEId#" + id;
    }
}