hx-base/my-test/src/main/java/org/example/join/domain/QueryColumnAlias.java

package org.example.join.domain;

import com.baomidou.mybatisplus.core.toolkit.StringPool;
import lombok.AllArgsConstructor;

@AllArgsConstructor
public class QueryColumnAlias implements IFormat, IQueryColumn {

    /**
     * 字段别名
     */
    private final String alias;

    /**
     * 查询列
     */
    private final IQueryColumn queryColumn;

    @Override
    public String toSql() {
        return queryColumn.toSql() + StringPool.SPACE + alias;
    }

}